Price updates
When comparing suppliers, a common concern is when did a supplier last change their prices.
This table provides details of all movements in prices and the introduction and cessation of tariffs over the last year.
You can see the date the change was added to the calculator and when it became effective.
Date when last update applied: 03 May 2016
| Supplier | Date Updated | Date Effective | Fuel Type | Details |
| First Utility | 03.05.2016 | 03.05.2016 | Electricity and Dual Fuel | Removal of First Fixed April 2019 v2 |
| IRESA Limited | 03.05.2016 | 03.05.2016 | Electricity and Dual Fuel | Removal of IRESA Flex1 12month Fixed Direct Debit |
| So Energy | 03.05.2016 | 03.05.2016 | All | Launch of So Duck |
| So Energy | 03.05.2016 | 03.05.2016 | All | Removal of So Dragonfly |
| Avro Energy | 03.05.2016 | 03.05.2016 | Electricity and Dual Fuel | Launch of Simple and Clear |
| Avro Energy | 03.05.2016 | 03.05.2016 | Electricity and Dual Fuel | Removal of Simple and Power |
| Go Effortless Energy | 29.04.2016 | 29.04.2016 | All | Launch of April 2016 v1 |
| Go Effortless Energy | 29.04.2016 | 29.04.2016 | All | Removal of January 2016 v1 |
| First Utility | 29.04.2016 | 29.04.2016 | Electricity and Dual Fuel | Removal of First Fixed June 2017 v2 |
| First Utility | 29.04.2016 | 29.04.2016 | Electricity and Dual Fuel | Removal of First Fixed August 2017 v2 |
| First Utility | 29.04.2016 | 29.04.2016 | Electricity and Dual Fuel | Launch of First Fixed June 2017 v3 |
| First Utility | 29.04.2016 | 29.04.2016 | Electricity and Dual Fuel | Launch of First Fixed November 2017 |
| British Gas | 29.04.2016 | 29.04.2016 | All | Launch of HomeEnergy Fixed Sep 2018 |
| Sainsbury's Energy | 29.04.2016 | 29.04.2016 | Dual Fuel | Launch of Fixed Price May 2017 |
| Sainsbury's Energy | 29.04.2016 | 29.04.2016 | Dual Fuel | Launch of Fixed Price September 2018 |
| British Gas | 29.04.2016 | 29.04.2016 | All | Removal of Fixed Price July 2018 |
| Sainsbury's Energy | 29.04.2016 | 29.04.2016 | Dual Fuel | Removal of Fix and Reward April 2017 |
| Sainsbury's Energy | 29.04.2016 | 29.04.2016 | Dual Fuel | Removal of SE Fixed Price July 2018 |
| iSupplyEnergy | 29.04.2016 | 29.04.2016 | Electricity and Dual Fuel | Launch of iFix 201706 v2 |
| iSupplyEnergy | 29.04.2016 | 29.04.2016 | All | Launch of iPrepay Fixed 201706 v2 |
| EDF Energy | 28.04.2016 | 28.04.2016 | All | Removal of Blue+Price Promise April 2017 |
| EDF Energy | 28.04.2016 | 28.04.2016 | All | Launch of Blue+Price Promise May 2017 |
| E.ON | 27.04.2016 | 27.04.2016 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 18 month Reward |
| Avro Energy | 27.04.2016 | 27.04.2016 | Electricity and Dual Fuel | Removal of Simple and Connect |
| Avro Energy | 27.04.2016 | 27.04.2016 | Electricity and Dual Fuel | Launch of Simple and Power |
| Robin Hood Energy | 26.04.2016 | 26.04.2016 | All | Removal of Robin Hood Energy Prime v2 |
| Robin Hood Energy | 26.04.2016 | 26.04.2016 | All | Launch of Robin Hood Energy Prime v3 |
| So Energy | 26.04.2016 | 26.04.2016 | All | Launch of So Dragonfly |
| So Energy | 26.04.2016 | 26.04.2016 | All | Removal of So Dolphin |
| iSupplyEnergy | 26.04.2016 | 26.04.2016 | All | Removal of iFix 201706 |
| iSupplyEnergy | 26.04.2016 | 26.04.2016 | All | Removal of iPrepay Fixed 201706 |
| LoCO2 Energy | 25.04.2016 | 25.04.2016 | Electricity and Dual Fuel | Removal of Pocket Fixed 12 |
| LoCO2 Energy | 25.04.2016 | 25.04.2016 | Electricity and Dual Fuel | Launch of Pocket Fixed Spring 16 |
| First Utility | 25.04.2016 | 25.04.2016 | Electricity and Dual Fuel | Launch of First Fixed June 2017 v2 |
| First Utility | 25.04.2016 | 25.04.2016 | Electricity and Dual Fuel | Removal of First Fixed June 2017 |
| IRESA Limited | 25.04.2016 | 25.04.2016 | Electricity and Dual Fuel | Removal of IRESA Flex 12month Fixed Direct Debit |
| IRESA Limited | 25.04.2016 | 25.04.2016 | Electricity and Dual Fuel | Launch of IRESA Flex1 12month Fixed Direct Debit - New supplier |
| iSupplyEnergy | 22.04.2016 | 22.04.2016 | All | Launch of iPrepay Variable |
| iSupplyEnergy | 21.04.2016 | 21.04.2016 | All | Launch of iPrepay Fixed 201706 |
| Bristol Energy | 21.04.2016 | 21.04.2016 | Electricity and Dual Fuel | Launch of Bristol Energy Standard - Prepayment only. For Dual Fuel customers only available for area's 14,20,21,22. |
| EDF Energy | 21.04.2016 | 21.04.2016 | All | Launch of EDF Energy Simply Fixed May17 |
| iSupplyEnergy | 21.04.2016 | 21.04.2016 | All | Price amendment of iFix 201706 |
| Good Energy | 21.04.2016 | 21.04.2016 | Gas | Price amendment of Gas+ - Now available for sale for gas only |
| M&S Energy | 20.04.2016 | 20.04.2016 | Electricity and Dual Fuel | Removal of M&S Energy Spring Sale (paperless billing) |
| SSE | 20.04.2016 | 20.04.2016 | Electricity and Dual Fuel | Removal of SSE 1 Year Fixed v6 (paperless billing) |
| OVO Energy | 20.04.2016 | 20.04.2016 | Electricity and Dual Fuel | Price amendment of Smart PAYG Energy (all online) |
| Fairerpower | 20.04.2016 | 20.04.2016 | Electricity and Dual Fuel | Price amendment of Fairerpower PAYG |
| EnergySW | 20.04.2016 | 20.04.2016 | Electricity and Dual Fuel | Price amendment of EnergySW PAYG |
| iSupplyEnergy | 20.04.2016 | 20.04.2016 | All | Launch of iFix 201706 |
| iSupplyEnergy | 20.04.2016 | 20.04.2016 | All | Removal of iFix 201705 |
| SSE | 20.04.2016 | 20.04.2016 | All | Launch of SSE 2 Year Fix & Shop v2 (paperless billing) |
| Avro Energy | 20.04.2016 | 20.04.2016 | Electricity and Dual Fuel | Launch of Simple and Connect |
| Spark Energy | 18.04.2016 | 18.04.2016 | All | Price amendment of Tenant Saver (Variable) |
| First Utility | 18.04.2016 | 18.04.2016 | Electricity and Dual Fuel | Launch of First Fixed August 2017 v2 |
| First Utility | 18.04.2016 | 18.04.2016 | Electricity and Dual Fuel | Removal of First Fixed April 2018 |
| ScottishPower | 15.04.2016 | 15.04.2016 | All | Launch of Online Fixed Price Energy May 2017 |
| ScottishPower | 15.04.2016 | 15.04.2016 | All | Removal of Online Fixed Price Energy April 2017 v2 |
| So Energy | 14.04.2016 | 14.04.2016 | All | Launch of So Dolphin |
| So Energy | 14.04.2016 | 14.04.2016 | All | Removal of So Crocodile |
| GB Energy Supply | 13.04.2016 | 13.04.2016 | All | Launch of Fixed 12 Ruby |
| GB Energy Supply | 13.04.2016 | 13.04.2016 | Electricity and Dual Fuel | Launch of Fixed 12 Ruby 2 Rate |
| GB Energy Supply | 13.04.2016 | 13.04.2016 | All | Removal of Fixed 12 Sapphire |
| GB Energy Supply | 13.04.2016 | 13.04.2016 | Electricity and Dual Fuel | Removal of Fixed 12 Sapphire 2 Rate |
| E.ON | 12.04.2016 | 12.04.2016 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 18 month Reward |
| E.ON | 12.04.2016 | 12.04.2016 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 2 Year v8 |
| Avro Energy | 12.04.2016 | 12.04.2016 | Electricity and Dual Fuel | Removal of Simple and Fix |
| First Utility | 12.04.2016 | 12.04.2016 | Electricity and Dual Fuel | Launch of First Fixed June 2017 |
| First Utility | 12.04.2016 | 12.04.2016 | Electricity and Dual Fuel | Removal of First Fixed May 2017 v3 |
| Better Energy | 12.04.2016 | 12.04.2016 | Gas | Launch of Online Fixed Apr17 |
| Better Energy | 12.04.2016 | 12.04.2016 | Gas | Launch of Postal Fixed Apr17 |
| Better Energy | 12.04.2016 | 12.04.2016 | Gas | Launch of Prepayment Saver 6 |
| Better Energy | 12.04.2016 | 12.04.2016 | Gas | Removal of Online Fixed March17 |
| Better Energy | 12.04.2016 | 12.04.2016 | Gas | Removal of Postal Fixed March17 |
| First Utility | 08.04.2016 | 08.04.2016 | Electricity and Dual Fuel | Launch of First Fixed May 2017 v3 |
| First Utility | 08.04.2016 | 08.04.2016 | Electricity and Dual Fuel | Removal of First Fixed May 2017 v2 |
| Co-operative Energy | 07.04.2016 | 07.04.2016 | Electricity and Dual Fuel | Removal of Fixed April 2017 |
| Co-operative Energy | 07.04.2016 | 07.04.2016 | Electricity and Dual Fuel | Launch of Fixed May 2017 |
| Co-operative Energy | 07.04.2016 | 07.04.2016 | Dual Fuel | Launch of Co-op Fix for Longer September 2017 |
| Co-operative Energy | 07.04.2016 | 07.04.2016 | Dual Fuel | Removal of Co-op Online March 2017 |
| M&S Energy | 07.04.2016 | 07.04.2016 | Electricity and Dual Fuel | Launch of M&S Energy Spring Sale (paperless billing) |
| npower | 07.04.2016 | 07.04.2016 | All | Launch of Pre Pay Fix October 2018 |
| npower | 07.04.2016 | 07.04.2016 | All | Removal of Online Fixed Energy April 2017 |
| Robin Hood Energy | 07.04.2016 | 07.04.2016 | All | Price amendment of Robin Hood Energy Evergreen - New prices for prepayment meters |
| SSE | 06.04.2016 | 06.04.2016 | Electricity and Dual Fuel | Launch of SSE 1 Year Fixed v6 (paperless billing) |
| SSE | 06.04.2016 | 06.04.2016 | All | Removal of SSE 1 Year Fixed v5 (paperless billing) |
| GnERGY | 06.04.2016 | 06.04.2016 | Dual Fuel | Launch of GnERGY Fixed June 2017 |
| GnERGY | 06.04.2016 | 06.04.2016 | Dual Fuel | Removal of GnERGY Fixed April 2017 |
| First Utility | 06.04.2016 | 06.04.2016 | Electricity and Dual Fuel | Launch of First Fixed April 2018 |
| First Utility | 06.04.2016 | 06.04.2016 | Electricity and Dual Fuel | Removal of First Fixed August 2017 |
| iSupplyEnergy | 06.04.2016 | 06.04.2016 | All | Launch of iFix 201705 |
| iSupplyEnergy | 06.04.2016 | 06.04.2016 | All | Removal of iFix 201704 |
| First Utility | 05.04.2016 | 05.04.2016 | Electricity and Dual Fuel | Launch of First Fixed May 2017 v2 |
| First Utility | 05.04.2016 | 05.04.2016 | Electricity and Dual Fuel | Launch of First Fixed April 2019 v2 |
| First Utility | 05.04.2016 | 05.04.2016 | Electricity and Dual Fuel | Removal of First Fixed May 2017 |
| First Utility | 05.04.2016 | 05.04.2016 | Electricity and Dual Fuel | Removal of First Fixed April 2019 |
| Green Energy (UK) plc | 01.03.2016 | 01.04.2016 | Electricity | Price amendment of Tap |
| Green Energy (UK) plc | 01.03.2016 | 01.04.2016 | Electricity and Dual Fuel | Price amendment of Sparkling |
| Green Energy (UK) plc | 01.03.2016 | 01.04.2016 | Electricity and Dual Fuel | Price amendment of Still |
| Utilita | 07.03.2016 | 01.04.2016 | Electricity and Dual Fuel | Price amendment of Smart Energy |
| Utilita | 07.03.2016 | 01.04.2016 | All | Price amendment of Premium Energy |
| Flow Energy | 01.04.2016 | 01.04.2016 | Electricity and Dual Fuel | Launch of First Variable (Prepayment) |
| First Utility | 01.04.2016 | 01.04.2016 | Electricity and Dual Fuel | Removal of iSave Everyday Prepayment |
| LoCO2 Energy | 01.04.2016 | 01.04.2016 | Electricity and Dual Fuel | Price decrease of Planet - Gas price decrease |
| LoCO2 Energy | 01.04.2016 | 01.04.2016 | Electricity and Dual Fuel | Price decrease of Pocket - Gas price decrease |
| Good Energy | 01.04.2016 | 01.04.2016 | Dual Fuel | Price decrease of Good Energy & Gas+ - Gas price decrease |
| Good Energy | 01.04.2016 | 01.04.2016 | Dual Fuel | Price decrease of Good Energy & Gas+ - Gas price decrease |
| Telecom Plus | 01.04.2016 | 01.04.2016 | All | Price decrease of Double Gold - Gas price decrease |
| Telecom Plus | 01.04.2016 | 01.04.2016 | All | Price decrease of Gold - Gas price decrease |
| Telecom Plus | 01.04.2016 | 01.04.2016 | All | Price decrease of Gold - Gas price decrease |
| Telecom Plus | 01.04.2016 | 01.04.2016 | All | Price decrease of Value - Gas price decrease |
| Ecotricity | 05.04.2016 | 01.04.2016 | Electricity and Dual Fuel | Price decrease of Green Electricity - Gas price decrease |
| Ecotricity | 05.04.2016 | 01.04.2016 | Gas | Price decrease of Green Gas - Gas price decrease |
| Octopus Energy | 05.04.2016 | 01.04.2016 | Electricity and Dual Fuel | Launch of Octopus Fixed 3M - New supplier |
| Octopus Energy | 05.04.2016 | 01.04.2016 | Electricity and Dual Fuel | Launch of Octopus Variable - New supplier |
| EDF Energy | 31.03.2016 | 31.03.2016 | All | Launch of Blue+Price Promise April 2017 |
| EDF Energy | 31.03.2016 | 31.03.2016 | All | Removal of Blue+Price Promise March 2017 |
| npower | 31.03.2016 | 31.03.2016 | All | Launch of Feel Good Fix June 2018 |
| npower | 31.03.2016 | 31.03.2016 | All | Removal of Price Fix February 2018 |
| SSE | 29.03.2016 | 29.03.2016 | All | Price decrease of Standard (paperless billing) - Gas price decrease |
| SSE | 29.03.2016 | 29.03.2016 | All | Price decrease of Standard Pay As You Go - Gas price decrease |
| M&S Energy | 29.03.2016 | 29.03.2016 | Electricity and Dual Fuel | Price decrease of M&S Energy Standard Energy (paperless billing) - Gas price decrease |
| SSE Atlantic | 29.03.2016 | 29.03.2016 | All | Price decrease of Atlantic Standard - Gas price decrease |
| SSE Atlantic | 29.03.2016 | 29.03.2016 | All | Price decrease of Atlantic Standard Pay As You Go - Gas price decrease |
| SSE | 29.03.2016 | 29.03.2016 | Electricity and Dual Fuel | Price decrease of energyplus Argos Standard - Gas price decrease |
| SSE | 29.03.2016 | 29.03.2016 | All | Price decrease of Avios Standard - Gas price decrease |
| SSE | 29.03.2016 | 29.03.2016 | All | Price decrease of Moneysavers - Gas price decrease |
| LoCO2 Energy | 29.03.2016 | 29.03.2016 | Electricity and Dual Fuel | Launch of Pocket Fixed 12 |
| LoCO2 Energy | 29.03.2016 | 29.03.2016 | Electricity and Dual Fuel | Launch of Planet Fixed 6 |
| LoCO2 Energy | 29.03.2016 | 29.03.2016 | Electricity and Dual Fuel | Removal of Pocket Fixed Winter |
| LoCO2 Energy | 29.03.2016 | 29.03.2016 | Electricity and Dual Fuel | Removal of Planet Fixed 5 |
| IRESA Limited | 29.03.2016 | 29.03.2016 | Electricity and Dual Fuel | Launch of IRESA Flex 12month Fixed Direct Debit - New supplier |
| npower | 24.03.2016 | 28.03.2016 | All | Price decrease of Standard - Gas price decrease |
| npower | 28.03.2016 | 28.03.2016 | All | Price decrease of Feel Good Fix April 2017 - Gas price decrease |
| npower | 28.03.2016 | 28.03.2016 | All | Price decrease of Feel Good Fix May 2017 - Gas price decrease |
| npower | 28.03.2016 | 28.03.2016 | Electricity and Dual Fuel | Price decrease of Juice - renewable energy - Gas price decrease |
| EDF Energy | 10.03.2016 | 24.03.2016 | All | Price amendment of Standard (Variable) - Gas price decrease |
| EDF Energy | 10.03.2016 | 24.03.2016 | All | Price amendment of Standard (Variable) - Prepay - Gas price decrease |
| npower | 24.03.2016 | 24.03.2016 | All | Launch of Online Fixed Energy April 2017 |
| npower | 24.03.2016 | 24.03.2016 | All | Removal of Online Fix April 2017 |
| Co-operative Energy | 21.03.2016 | 21.03.2016 | Electricity and Dual Fuel | Price decrease of Pioneer Variable - Gas price decrease |
| Green Star Energy | 21.03.2016 | 21.03.2016 | All | Removal of Rate Saver 12m Fixed 1603 |
| Green Star Energy | 21.03.2016 | 21.03.2016 | All | Launch of Rate Saver 12m Fixed 2603 |
| iSupplyEnergy | 18.03.2016 | 18.03.2016 | All | Removal of iFix 201703 v3 |
| iSupplyEnergy | 18.03.2016 | 18.03.2016 | All | Launch of iFix 201704 |
| So Energy | 17.03.2016 | 17.03.2016 | All | Removal of So Chimpanzee |
| So Energy | 17.03.2016 | 17.03.2016 | All | Launch of So Crocodile |
| British Gas | 16.03.2016 | 16.03.2016 | All | Price amendment of Standard - Gas price decrease |
| British Gas | 16.03.2016 | 16.03.2016 | All | Price amendment of Fixed Price July 2018 - Gas price decrease |
| British Gas | 16.03.2016 | 16.03.2016 | All | Price amendment of HomeEnergy Capped Jun 2017 - Gas price decrease |
| British Gas | 16.03.2016 | 16.03.2016 | Dual Fuel | Price amendment of HomeEnergy Reward Jun 2017 - Gas price decrease |
| British Gas | 16.03.2016 | 16.03.2016 | All | Price amendment of Fix and Fall November 2016 - Gas price decrease |
| British Gas | 16.03.2016 | 16.03.2016 | All | Price amendment of Fix and Fall January 2017 - Gas price decrease |
| British Gas | 16.03.2016 | 16.03.2016 | All | Price amendment of Fix and Fall June 2016 - Gas price decrease |
| British Gas | 16.03.2016 | 16.03.2016 | All | Price amendment of Fix and Fall March 2016 - Gas price decrease |
| British Gas | 16.03.2016 | 16.03.2016 | Dual Fuel | Price amendment of Fix and Fall March 2016 Extra - Gas price decrease |
| British Gas | 16.03.2016 | 16.03.2016 | Dual Fuel | Price amendment of Fix and Fall March 2016 Plus - Gas price decrease |
| Sainsbury's Energy | 16.03.2016 | 16.03.2016 | All | Price amendment of Standard - Gas price decrease |
| Sainsbury's Energy | 16.03.2016 | 16.03.2016 | Dual Fuel | Price amendment of SE Fixed Price July 2018 - Gas price decrease |
| Sainsbury's Energy | 16.03.2016 | 16.03.2016 | Dual Fuel | Price amendment of Fix and Reward April 2017 - Gas price decrease |
| Sainsbury's Energy | 16.03.2016 | 16.03.2016 | Dual Fuel | Price amendment of Fix and Reward September 2017 - Gas price decrease |
| First Utility | 16.03.2016 | 16.03.2016 | Electricity and Dual Fuel | Removal of First Fixed April 2017 v6 |
| First Utility | 16.03.2016 | 16.03.2016 | Electricity and Dual Fuel | Launch of First Fixed May 2017 |
| ScottishPower | 25.02.2016 | 15.03.2016 | All | Price decrease of Standard - Gas price decrease |
| Cardiff Energy Supply Limited | 15.03.2016 | 15.03.2016 | Gas | Launch of Savemore Fixed DD May-17 v1 - New Supplier |
| Cardiff Energy Supply Limited | 15.03.2016 | 15.03.2016 | Gas | Launch of Savemore Prepay Fixed 12 v1 - New Supplier |
| Cardiff Energy Supply Limited | 15.03.2016 | 15.03.2016 | Gas | Launch of Savemore PrePay Variable v1 - New Supplier |
| Cardiff Energy Supply Limited | 15.03.2016 | 15.03.2016 | Gas | Launch of Savemore Variable DD v1 - New Supplier |
| First Utility | 15.03.2016 | 15.03.2016 | Electricity and Dual Fuel | Launch of First Fixed April 2019 |
| First Utility | 15.03.2016 | 15.03.2016 | Electricity and Dual Fuel | Removal of First Fixed April 2017 v7 |
| SSE | 15.03.2016 | 15.03.2016 | All | Removal of Collective 1 Year Fixed (EHL) (paperless billing) |
| SSE | 15.03.2016 | 15.03.2016 | Dual Fuel | Removal of Collective 1 Year Fixed (iChoosr) (paperless billing) |
| npower | 14.03.2016 | 14.03.2016 | All | Removal of Collective Price Fix March 2017 |
| First Utility | 11.03.2016 | 11.03.2016 | Dual Fuel | Removal of First Fixed March 2018 + £120 Reward |
| First Utility | 11.03.2016 | 11.03.2016 | Electricity and Dual Fuel | Launch of First Fixed August 2017 |
| Avro Energy | 11.03.2016 | 11.03.2016 | Electricity and Dual Fuel | Launch of Simple and Fix |
| npower | 10.03.2016 | 10.03.2016 | Dual Fuel | Launch of Protect and Fix April 2018 |
| npower | 10.03.2016 | 10.03.2016 | Dual Fuel | Removal of Protect and Fix November 2017 |
| npower | 10.03.2016 | 10.03.2016 | All | Removal of Fixed Energy Online April 2017 |
| npower | 10.03.2016 | 10.03.2016 | All | Launch of Online Fix April 2017 |
| Bristol Energy | 10.03.2016 | 10.03.2016 | All | Removal of Bristol Energy 1 Year Fix Issue 2 Paperless Bills |
| Bristol Energy | 10.03.2016 | 10.03.2016 | All | Launch of Bristol Energy 1 Year Fix Issue 3 Paperless Bills |
| British Natural Gas | 10.03.2016 | 10.03.2016 | Gas | New version of Fixed for 1 year |
| British Natural Gas | 10.03.2016 | 10.03.2016 | Gas | New version of Fixed for 2 year |
| British Natural Gas | 10.03.2016 | 10.03.2016 | Gas | New version of Fixed for 3 year |
| OVO Energy | 08.02.2016 | 09.03.2016 | Electricity and Dual Fuel | Price amendment of Smart PAYG Energy (all online) |
| Peterborough Energy | 08.02.2016 | 09.03.2016 | Electricity and Dual Fuel | Price amendment of Peterborough Energy PAYG |
| EnergySW | 08.02.2016 | 09.03.2016 | Electricity and Dual Fuel | Price amendment of EnergySW PAYG |
| Fairerpower | 08.02.2016 | 09.03.2016 | Electricity and Dual Fuel | Price amendment of Fairerpower PAYG |
| Southend Energy | 08.02.2016 | 09.03.2016 | Electricity and Dual Fuel | Price amendment of Southend PAYG |
| Better Energy | 09.03.2016 | 09.03.2016 | Gas | Removal of Online Fixed Feb17 |
| Better Energy | 09.03.2016 | 09.03.2016 | Gas | Removal of Postal Fixed Feb17 |
| Better Energy | 09.03.2016 | 09.03.2016 | Gas | Launch of Online Fixed March17 |
| Better Energy | 09.03.2016 | 09.03.2016 | Gas | Launch of Postal Fixed March17 |
| Green Star Energy | 07.03.2016 | 07.03.2016 | All | Removal of Rate Saver 12m Fixed 1602 |
| Green Star Energy | 07.03.2016 | 07.03.2016 | All | Launch of Rate Saver 12m Fixed 1603 |
| E.ON | 07.03.2016 | 07.03.2016 | Electricity and Dual Fuel | Launch of E.ON MSM Fixed 1 Collective March 2016 |
| ScottishPower | 04.03.2016 | 04.03.2016 | All | Launch of Online Fixed Price Energy April 2017 v2 |
| ScottishPower | 04.03.2016 | 04.03.2016 | All | Removal of Online Fixed Price Energy April 2017 |
| First Utility | 04.03.2016 | 04.03.2016 | Electricity and Dual Fuel | Launch of First Fixed April 2017 v6 |
| First Utility | 04.03.2016 | 04.03.2016 | Electricity and Dual Fuel | Launch of First Fixed April 2017 v7 |
| First Utility | 04.03.2016 | 04.03.2016 | Electricity and Dual Fuel | Removal of First Fixed April 2017 v5 |
| First Utility | 04.03.2016 | 04.03.2016 | Electricity and Dual Fuel | Removal of First Fixed March 2019 v4 + |
| Zog Energy | 03.03.2016 | 03.03.2016 | Gas | New version of Mercury 12 |
| npower | 02.03.2016 | 02.03.2016 | All | Launch of Fixed Energy Online April 2017 |
| npower | 02.03.2016 | 02.03.2016 | All | Removal of Online Fix March 2017 |
| Daligas | 01.03.2016 | 01.03.2016 | Gas | Launch of Daligas One Fix Saver 16 |
| Daligas | 01.03.2016 | 01.03.2016 | Gas | Launch of Daligas One Standard Saver 16 |
| Daligas | 01.03.2016 | 01.03.2016 | Gas | Removal of Daligas One Fix Saver 15 |
| Daligas | 01.03.2016 | 01.03.2016 | Gas | Removal of Daligas One Standard Saver 15 |
| Spark Energy | 01.03.2016 | 01.03.2016 | All | Launch of Saver Fixed (March 2018) |
| Spark Energy | 01.03.2016 | 01.03.2016 | All | Removal of Tenant Saver (Fixed) - March 2017 |
| So Energy | 01.03.2016 | 01.03.2016 | All | Launch of So Chimpanzee |
| So Energy | 01.03.2016 | 01.03.2016 | All | Removal of So Caterpillar |
| First Utility | 26.02.2016 | 26.02.2016 | Electricity and Dual Fuel | Removal of First Fixed April 2017 v4 |
| First Utility | 26.02.2016 | 26.02.2016 | Electricity and Dual Fuel | Launch of First Fixed April 2017 v5 |
| EDF Energy | 25.02.2016 | 25.02.2016 | All | Launch of Blue+Price Promise March 2017 |
| EDF Energy | 25.02.2016 | 25.02.2016 | All | Launch of Blue+Price Freeeeze March 2018 |
| EDF Energy | 25.02.2016 | 25.02.2016 | All | Removal of Blue+Price Freeeeze January 2018 |
| EDF Energy | 25.02.2016 | 25.02.2016 | All | Removal of Blue+Price Promise February 2017 |
| PFP Energy | 25.02.2016 | 25.02.2016 | All | Removal of Together - February 2017 - fixed 31 |
| PFP Energy | 25.02.2016 | 25.02.2016 | All | Launch of Together - September 2017 - fixed 32 - Paperless |
| npower | 24.02.2016 | 24.02.2016 | All | Launch of Online Fix March 2017 |
| npower | 24.02.2016 | 24.02.2016 | All | Removal of Fixed Energy Online March 2017 |
| iSupplyEnergy | 18.02.2016 | 18.02.2016 | All | Price amendment of iFix 201703 v3 |
| First Utility | 18.02.2016 | 18.02.2016 | Electricity and Dual Fuel | Launch of First Fixed April 2017 v4 |
| First Utility | 18.02.2016 | 18.02.2016 | Dual Fuel | Launch of First Fixed March 2018 + £120 Reward |
| First Utility | 18.02.2016 | 18.02.2016 | Electricity and Dual Fuel | Removal of First Fixed April 2017 v3 |
| First Utility | 18.02.2016 | 18.02.2016 | Electricity and Dual Fuel | Removal of First Fixed May 2017 + |
| SSE | 17.02.2016 | 17.02.2016 | All | Launch of SSE 1 Year Fixed v5 (paperless billing) |
| M&S Energy | 17.02.2016 | 17.02.2016 | Electricity and Dual Fuel | Launch of M&S Energy Fix & More Jun 17 (paperless billing) |
| M&S Energy | 17.02.2016 | 17.02.2016 | Electricity and Dual Fuel | Removal of M&S Energy Fix & More Mar 17 (paperless billing) |
| Flow Energy | 17.02.2016 | 17.02.2016 | All | Launch of Connect 6 |
| Flow Energy | 17.02.2016 | 17.02.2016 | All | Removal of Connect 5 |
| iSupplyEnergy | 17.02.2016 | 17.02.2016 | All | Removal of iFix 201703 v2 |
| iSupplyEnergy | 17.02.2016 | 17.02.2016 | All | Launch of iFix 201703 v3 |
| Co-operative Energy | 16.02.2016 | 16.02.2016 | Dual Fuel | Launch of Co-op Online March 2017 (paper bills) |
| GnERGY | 16.02.2016 | 16.02.2016 | Dual Fuel | Launch of GnERGY Fixed April 2017 |
| GnERGY | 16.02.2016 | 16.02.2016 | Dual Fuel | Removal of GnERGY Fixed March 2017 |
| E | 16.02.2016 | 16.02.2016 | Electricity and Dual Fuel | Launch of 1 Year Fixed Price Spring 2017 |
| E | 16.02.2016 | 16.02.2016 | Electricity and Dual Fuel | Removal of Prepayment 1 Year Fixed Price 2016 |
| ScottishPower | 15.02.2016 | 15.02.2016 | All | Launch of Online Fixed Price Energy April 2017 |
| ScottishPower | 15.02.2016 | 15.02.2016 | Dual Fuel | Removal of Fixed Price Energy January 2018 |
| E.ON | 15.02.2016 | 15.02.2016 | Electricity | Launch of E.ON iChoosr Fixed 1 Collective Elec Only Feb 2016 |
| E.ON | 15.02.2016 | 15.02.2016 | Electricity and Dual Fuel | Launch of E.ON EHL Fixed 1 Collective Feb 2016 |
| npower | 15.02.2016 | 15.02.2016 | All | Launch of Collective Price Fix March 2017 |
| Better Energy | 12.02.2016 | 12.02.2016 | Gas | Launch of Online Fixed Feb17 |
| Better Energy | 12.02.2016 | 12.02.2016 | Gas | Launch of Postal Fixed Feb17 |
| Better Energy | 12.02.2016 | 12.02.2016 | Gas | Removal of Online Fixed Jan17 |
| Better Energy | 12.02.2016 | 12.02.2016 | Gas | Removal of Postal Fixed Jan17 |
| Better Energy | 12.02.2016 | 12.02.2016 | Gas | Removal of Postal Saver 5 |
| iSupplyEnergy | 12.02.2016 | 12.02.2016 | All | Launch of iFix 201703 v2 |
| iSupplyEnergy | 12.02.2016 | 12.02.2016 | All | Removal of iFix 201703 |
| SSE | 12.02.2016 | 12.02.2016 | Dual Fuel | Launch of Collective 1 Year Fixed (EHL) (paperless billing) |
| SSE | 12.02.2016 | 12.02.2016 | All | Launch of Collective 1 Year Fixed (iChoosr) (paperless billing) |
| First Utility | 11.02.2016 | 11.02.2016 | Dual Fuel | Launch of First Fixed March 2019 v4 + |
| First Utility | 11.02.2016 | 11.02.2016 | Dual Fuel | Removal of First Fixed March 2017 v3 |
| E.ON | 10.02.2016 | 10.02.2016 | Electricity and Dual Fuel | Removal of Age UK Fixed 2 Year v6 |
| E.ON | 10.02.2016 | 10.02.2016 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v19 |
| E.ON | 10.02.2016 | 10.02.2016 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v20 |
| Extra Energy | 10.02.2016 | 10.02.2016 | Electricity and Dual Fuel | Launch of Bright Fixed Price Oct 2017 v1 |
| Extra Energy | 10.02.2016 | 10.02.2016 | Electricity and Dual Fuel | Launch of Clear Fixed Price Oct 2017 v1 |
| Extra Energy | 10.02.2016 | 10.02.2016 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Oct 2017 v1 |
| Extra Energy | 10.02.2016 | 10.02.2016 | Electricity and Dual Fuel | Removal of Bright Fixed Price Feb 2017 v2 |
| Extra Energy | 10.02.2016 | 10.02.2016 | Electricity and Dual Fuel | Removal of Clear Fixed Price Feb 2017 v3 |
| Extra Energy | 10.02.2016 | 10.02.2016 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Feb 2017 v4 |
| Co-operative Energy | 09.02.2016 | 09.02.2016 | Dual Fuel | Launch of Co-op Online March 2017 |
| Co-operative Energy | 09.02.2016 | 09.02.2016 | Electricity and Dual Fuel | Launch of Fixed April 2017 |
| Co-operative Energy | 09.02.2016 | 09.02.2016 | Dual Fuel | Removal of Co-op Online December 2016 |
| Co-operative Energy | 09.02.2016 | 09.02.2016 | Dual Fuel | Removal of Co-op Online February 2017 |
| So Energy | 09.02.2016 | 09.02.2016 | All | Removal of So Buffalo |
| So Energy | 09.02.2016 | 09.02.2016 | All | Launch of So Caterpillar |
| Green Star Energy | 08.02.2016 | 08.02.2016 | All | Launch of Rate Watch Pay as you Go |
| First Utility | 08.02.2016 | 08.02.2016 | Dual Fuel | Launch of First Fixed March 2019 v3 + |
| First Utility | 08.02.2016 | 08.02.2016 | Dual Fuel | Removal of First Fixed March 2019 v2 + |
| First Utility | 08.02.2016 | 08.02.2016 | Electricity and Dual Fuel | Launch of First Variable |
| First Utility | 08.02.2016 | 08.02.2016 | Electricity and Dual Fuel | Removal of iSave Everyday |
| Bristol Energy | 08.02.2016 | 08.02.2016 | All | Launch of Bristol Energy Standard Paperless Bills - New Supplier |
| Bristol Energy | 08.02.2016 | 08.02.2016 | All | Launch of Bristol Energy 1 Year Fix Issue 1 Paperless Bills - New Supplier |
| Bristol Energy | 08.02.2016 | 08.02.2016 | All | Removal of Bristol Energy Fixed 12M 1501 12 Month Paperless Bills |
| npower | 05.02.2016 | 05.02.2016 | All | Launch of Fixed Energy Online March 2017 |
| npower | 05.02.2016 | 05.02.2016 | All | Removal of Online Price Fix March 2017 |
| Flow Energy | 05.02.2016 | 05.02.2016 | All | Price amendment of Connect 5 |
| Green Star Energy | 05.02.2016 | 05.02.2016 | All | Launch of Rate Saver 12m Fixed 1602 |
| Green Star Energy | 05.02.2016 | 05.02.2016 | All | Removal of Rate Saver 12m Fixed 2601 |
| First Utility | 05.02.2016 | 05.02.2016 | Electricity and Dual Fuel | Launch of First Fixed April 2017 v3 |
| First Utility | 05.02.2016 | 05.02.2016 | Electricity and Dual Fuel | Removal of First Fixed April 2017 v2 |
| EDF Energy | 04.02.2016 | 04.02.2016 | All | Removal of Blue+Fixed Prepay March 2017 |
| EDF Energy | 04.02.2016 | 04.02.2016 | All | Launch of Blue+Fixed Prepay February 2018 |
| So Energy | 04.02.2016 | 04.02.2016 | All | Price amendment of So Out of Contract |
| So Energy | 04.02.2016 | 04.02.2016 | All | Launch of So Buffalo |
| So Energy | 04.02.2016 | 04.02.2016 | All | Removal of So Badger |
| Zog Energy | 03.02.2016 | 03.02.2016 | Gas | New version of Mercury 12 |
| Zog Energy | 03.02.2016 | 03.02.2016 | Gas | New version of Mercury 24 |
| First Utility | 03.02.2016 | 03.02.2016 | Electricity and Dual Fuel | Removal of First Fixed April 2017 |
| First Utility | 03.02.2016 | 03.02.2016 | Electricity and Dual Fuel | Launch of First Fixed April 2017 v2 |
| Bulb | 03.02.2016 | 03.02.2016 | Electricity and Dual Fuel | Price amendment of Green Electricity + Gas |
| SSE | 02.02.2016 | 02.02.2016 | All | Removal of SSE 1 Year Fixed v4 (paperless billing) |
| British Natural Gas | 02.02.2016 | 02.02.2016 | Gas | Launch of Standard Variable - New Supplier |
| British Natural Gas | 02.02.2016 | 02.02.2016 | Gas | Launch of Fixed for 1 year - New Supplier |
| British Natural Gas | 02.02.2016 | 02.02.2016 | Gas | Launch of Fixed for 2 year - New Supplier |
| British Natural Gas | 02.02.2016 | 02.02.2016 | Gas | Launch of Fixed for 3 year - New Supplier |
| British Gas | 02.02.2016 | 02.02.2016 | Dual Fuel | Launch of Collective Fix February 2017 |
| E.ON | 02.02.2016 | 02.02.2016 | Electricity | Launch of E.ON MSE Fixed 1 Collective Feb 2016 Elec Only |
| E.ON | 22.01.2016 | 01.02.2016 | All | Price decrease of E.ON Energy Plan |
| Flow Energy | 01.02.2016 | 01.02.2016 | All | Launch of Connect 5 |
| Flow Energy | 29.01.2016 | 29.01.2016 | All | Removal of Connect |
| Flow Energy | 29.01.2016 | 29.01.2016 | All | Removal of Connect 4 |
| GnERGY | 29.01.2016 | 29.01.2016 | Dual Fuel | Removal of GnERGY Fixed February 2017 |
| GnERGY | 29.01.2016 | 29.01.2016 | Dual Fuel | Launch of GnERGY Fixed March 2017 |
| Avro Energy | 29.01.2016 | 29.01.2016 | Electricity and Dual Fuel | Price amendment of Simple and Save |
| British Gas | 29.01.2016 | 29.01.2016 | All | Removal of Fix and Fall January 2017 |
| British Gas | 29.01.2016 | 29.01.2016 | Dual Fuel | Removal of Fix and Reward January 2017 |
| Sainsbury's Energy | 29.01.2016 | 29.01.2016 | Dual Fuel | Removal of Fix and Reward March 2017 |
| British Gas | 29.01.2016 | 29.01.2016 | All | Launch of HomeEnergy Capped Jun 2017 |
| British Gas | 29.01.2016 | 29.01.2016 | Dual Fuel | Launch of HomeEnergy Reward Jun 2017 |
| Sainsbury's Energy | 29.01.2016 | 29.01.2016 | Dual Fuel | Launch of Fix and Reward April 2017 |
| iSupplyEnergy | 29.01.2016 | 29.01.2016 | All | Launch of iFix 201703 |
| iSupplyEnergy | 29.01.2016 | 29.01.2016 | All | Removal of iFix 201702 |
| GB Energy Supply | 28.01.2016 | 28.01.2016 | All | Launch of Fixed 12 Sapphire |
| GB Energy Supply | 28.01.2016 | 28.01.2016 | All | Removal of Fixed 12 Emerald |
| GB Energy Supply | 28.01.2016 | 28.01.2016 | All | Price amendment of Premium Energy Saver |
| GB Energy Supply | 28.01.2016 | 28.01.2016 | Electricity and Dual Fuel | Price amendment of Premium Day/Night Energy Saver |
| GB Energy Supply | 28.01.2016 | 28.01.2016 | Electricity and Dual Fuel | Price amendment of Premium Day/Night Energy Saver Single Rate |
| First Utility | 28.01.2016 | 28.01.2016 | Electricity and Dual Fuel | Launch of First Fixed April 2017 |
| First Utility | 28.01.2016 | 28.01.2016 | Electricity and Dual Fuel | Removal of First Fixed March 2017 v4 |
| First Utility | 28.01.2016 | 28.01.2016 | Electricity and Dual Fuel | Removal of First Fixed May 2017 + |
| First Utility | 28.01.2016 | 28.01.2016 | Electricity and Dual Fuel | Removal of First Fixed March 2017 + |
| PFP Energy | 27.01.2016 | 27.01.2016 | All | Launch of Together - February 2017 - fixed 31 |
| PFP Energy | 27.01.2016 | 27.01.2016 | All | Removal of Together - February 2017 - fixed 30 |
| SSE | 27.01.2016 | 27.01.2016 | All | Removal of SSE 2 Year Fix & Shop (paperless bill) |
| SSE | 27.01.2016 | 27.01.2016 | All | Removal of SSE 2 Year Fix & Shop (paper billing) |
| ScottishPower | 26.01.2016 | 26.01.2016 | All | Launch of Help Beat Cancer Fixed Price Energy January 2018 |
| ScottishPower | 26.01.2016 | 26.01.2016 | All | Launch of Prepay Help Beat Cancer Fixed Price Energy November 2017 |
| ScottishPower | 26.01.2016 | 26.01.2016 | All | Removal of Online Fixed Price Energy January 2017 |
| ScottishPower | 26.01.2016 | 26.01.2016 | All | Removal of Help Beat Cancer Fixed Price Energy November 2017 |
| npower | 25.01.2016 | 25.01.2016 | Dual Fuel | Launch of Protect and Fix November 2017 |
| npower | 25.01.2016 | 25.01.2016 | All | Launch of Online Price Fix March 2017 |
| npower | 25.01.2016 | 25.01.2016 | All | Removal of Online Price Fix February 2017 |
| npower | 25.01.2016 | 25.01.2016 | All | Removal of Price Fix March 2017 |
| First Utility | 25.01.2016 | 25.01.2016 | Dual Fuel | Removal of First Fixed March 2019 + |
| First Utility | 25.01.2016 | 25.01.2016 | Dual Fuel | Launch of First Fixed March 2019 v2 + |
| Green Star Energy | 25.01.2016 | 25.01.2016 | All | Removal of Rate Saver 12m Fixed 1601 |
| Green Star Energy | 25.01.2016 | 25.01.2016 | All | Launch of Rate Saver 12m Fixed 2601 |
| E.ON | 22.01.2016 | 22.01.2016 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v18 |
| E.ON | 22.01.2016 | 22.01.2016 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v19 |
| Extra Energy | 22.01.2016 | 22.01.2016 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Feb 2017 v3 |
| Extra Energy | 22.01.2016 | 22.01.2016 | Electricity and Dual Fuel | Removal of Clear Fixed Price Feb 2017 v2 |
| Extra Energy | 22.01.2016 | 22.01.2016 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Feb 2017 v4 |
| Extra Energy | 22.01.2016 | 22.01.2016 | Electricity and Dual Fuel | Launch of Clear Fixed Price Feb 2017 v3 |
| SSE | 21.01.2016 | 21.01.2016 | All | Launch of SSE 1 Year Fixed v4 (paperless billing) |
| Extra Energy | 21.01.2016 | 21.01.2016 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Feb 2017 v2 |
| Extra Energy | 21.01.2016 | 21.01.2016 | Electricity and Dual Fuel | Removal of Bright Fixed Price Feb 2017 v1 |
| Extra Energy | 21.01.2016 | 21.01.2016 | Electricity and Dual Fuel | Removal of Clear Fixed Price Feb 2017 v1 |
| Extra Energy | 21.01.2016 | 21.01.2016 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Feb 2017 v3 |
| Extra Energy | 21.01.2016 | 21.01.2016 | Electricity and Dual Fuel | Launch of Bright Fixed Price Feb 2017 v2 |
| Extra Energy | 21.01.2016 | 21.01.2016 | Electricity and Dual Fuel | Launch of Clear Fixed Price Feb 2017 v2 |
| EDF Energy | 20.01.2016 | 20.01.2016 | All | Launch of Blue+Price Promise February 2017 |
| EDF Energy | 20.01.2016 | 20.01.2016 | All | Removal of Blue+Price Promise January 2017 |
| E.ON | 20.01.2016 | 20.01.2016 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v18 |
| E.ON | 20.01.2016 | 20.01.2016 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v17 |
| E.ON | 20.01.2016 | 20.01.2016 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 2 Year v8 |
| E.ON | 20.01.2016 | 20.01.2016 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 2 Year v7 |
| E.ON | 20.01.2016 | 20.01.2016 | Electricity and Dual Fuel | Launch of Age UK Fixed 2 Year v6 |
| E.ON | 20.01.2016 | 20.01.2016 | Electricity and Dual Fuel | Removal of Age UK Fixed 2 Year v5 |
| Go Effortless Energy | 20.01.2016 | 20.01.2016 | All | Launch of January 2016 v1 |
| Go Effortless Energy | 20.01.2016 | 20.01.2016 | All | Removal of December 2015 v1 |
| Robin Hood Energy | 20.01.2016 | 20.01.2016 | All | Removal of Robin Hood Energy Nottingham v2 |
| Robin Hood Energy | 20.01.2016 | 20.01.2016 | All | Launch of Robin Hood Energy Nottingham v3 |
| Extra Energy | 20.01.2016 | 20.01.2016 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Feb 2017 v1 |
| Extra Energy | 20.01.2016 | 20.01.2016 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Feb 2017 v2 |
| First Utility | 20.01.2016 | 20.01.2016 | Electricity and Dual Fuel | Removal of First Fixed March 2017 v3 |
| First Utility | 20.01.2016 | 20.01.2016 | Electricity and Dual Fuel | Launch of First Fixed March 2017 v4 |
| Spark Energy | 18.01.2016 | 18.01.2016 | Dual Fuel | Removal of Tenant Saver (Fixed) - December 2016 |
| Spark Energy | 18.01.2016 | 18.01.2016 | All | Launch of Tenant Saver (Fixed) - March 2017 |
| Peterborough Energy | 18.01.2016 | 18.01.2016 | Electricity and Dual Fuel | New version of Peterborough Fixed |
| EnergySW | 18.01.2016 | 18.01.2016 | Electricity and Dual Fuel | New version of EnergySW Greener |
| Fairerpower | 18.01.2016 | 18.01.2016 | Electricity and Dual Fuel | New version of Fairerpower Fixed |
| Southend Energy | 18.01.2016 | 18.01.2016 | Electricity and Dual Fuel | New version of Southend Energy Fixed |
| EnergySW | 18.01.2016 | 18.01.2016 | Electricity and Dual Fuel | New version of EnergySW Fixed |
| Southend Energy | 18.01.2016 | 18.01.2016 | Electricity and Dual Fuel | New version of Southend Energy Greener |
| First Utility | 18.01.2016 | 18.01.2016 | Gas and Dual Fuel | Removal of First Fixed March 2018 |
| First Utility | 18.01.2016 | 18.01.2016 | Dual Fuel | Launch of First Fixed March 2019 + |
| OVO Energy | 15.01.2016 | 15.01.2016 | Electricity and Dual Fuel | New version of Better Energy |
| OVO Energy | 15.01.2016 | 15.01.2016 | Electricity and Dual Fuel | New version of Better Energy (all online) |
| OVO Energy | 15.01.2016 | 15.01.2016 | Electricity and Dual Fuel | New version of Greener Energy |
| OVO Energy | 15.01.2016 | 15.01.2016 | Electricity and Dual Fuel | New version of Greener Energy (all online) |
| PFP Energy | 15.01.2016 | 15.01.2016 | All | Launch of Together - February 2017 - fixed 30 |
| PFP Energy | 15.01.2016 | 15.01.2016 | All | Removal of Together - February 2017 - fixed 29 |
| First Utility | 15.01.2016 | 15.01.2016 | Electricity and Dual Fuel | Launch of First Fixed March 2017 v3 |
| First Utility | 15.01.2016 | 15.01.2016 | Electricity and Dual Fuel | Removal of First Fixed March 2017 v2 |
| npower | 13.01.2016 | 13.01.2016 | All | Launch of Online Price Fix February 2017 |
| npower | 13.01.2016 | 13.01.2016 | All | Removal of Fixed Energy Online January 2017 |
| Better Energy | 13.01.2016 | 13.01.2016 | Gas | Launch of Online Fixed Jan17 |
| Better Energy | 13.01.2016 | 13.01.2016 | Gas | Launch of Postal Fixed Jan17 |
| Better Energy | 13.01.2016 | 13.01.2016 | Gas | Removal of Online Fixed Dec16 |
| Better Energy | 13.01.2016 | 13.01.2016 | Gas | Removal of Postal Fixed Dec16 |
| E.ON | 12.01.2016 | 12.01.2016 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v17 |
| E.ON | 12.01.2016 | 12.01.2016 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 2 Year v7 |
| E.ON | 12.01.2016 | 12.01.2016 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v16 |
| E.ON | 12.01.2016 | 12.01.2016 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 2 Year v6 |
| Future Energy | 12.01.2016 | 12.01.2016 | Electricity and Dual Fuel | Launch of Future Energy + Fixed |
| Future Energy | 12.01.2016 | 12.01.2016 | Electricity and Dual Fuel | Removal of Future Energy + |
| Extra Energy | 11.01.2016 | 11.01.2016 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Feb 2017 v1 |
| Extra Energy | 11.01.2016 | 11.01.2016 | Electricity and Dual Fuel | Launch of Clear Fixed Price Feb 2017 v1 |
| Extra Energy | 11.01.2016 | 11.01.2016 | Electricity and Dual Fuel | Launch of Bright Fixed Price Feb 2017 v1 |
| Extra Energy | 11.01.2016 | 11.01.2016 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Jan 2017 v2 |
| Extra Energy | 11.01.2016 | 11.01.2016 | Electricity and Dual Fuel | Removal of Clear Fixed Price Jan 2017 v1 |
| Extra Energy | 11.01.2016 | 11.01.2016 | Electricity and Dual Fuel | Removal of Bright Fixed Price Jan 2017 v1 |
| First Utility | 08.01.2016 | 08.01.2016 | Electricity and Dual Fuel | Launch of First Fixed March 2017 v2 |
| First Utility | 08.01.2016 | 08.01.2016 | Electricity and Dual Fuel | Removal of iSave Fixed February 2017 v2 |
| Green Star Energy | 08.01.2016 | 08.01.2016 | All | Launch of Rate Saver 12m Fixed 1601 |
| Green Star Energy | 08.01.2016 | 08.01.2016 | All | Removal of Rate Saver 12m Fixed 2512 |
| First Utility | 07.01.2016 | 07.01.2016 | Electricity and Dual Fuel | Launch of First Fixed March 2017 + |
| First Utility | 07.01.2016 | 07.01.2016 | Electricity and Dual Fuel | Launch of First Fixed March 2018 |
| First Utility | 07.01.2016 | 07.01.2016 | Electricity and Dual Fuel | Removal of iSave Fixed January 2019 v2 |
| First Utility | 07.01.2016 | 07.01.2016 | Dual Fuel | Removal of iControl Fixed February 2019 |
| iSupplyEnergy | 06.01.2016 | 06.01.2016 | Electricity | Removal of iFix 201701 |
| iSupplyEnergy | 06.01.2016 | 06.01.2016 | Electricity | Removal of iFix 201701 Direct |
| iSupplyEnergy | 06.01.2016 | 06.01.2016 | All | Launch of iFix 201702 |
| So Energy | 05.01.2016 | 05.01.2016 | All | Launch of So Badger |
| So Energy | 05.01.2016 | 05.01.2016 | All | Removal of So Baboon |
| Future Energy | 05.01.2016 | 05.01.2016 | Electricity and Dual Fuel | Price amendment of Future Energy + |
| PFP Energy | 04.01.2016 | 04.01.2016 | All | Removal of Together - January 2017 - fixed 28 |
| PFP Energy | 04.01.2016 | 04.01.2016 | All | Launch of Together - February 2017 - fixed 29 |
| Utilita | 17.12.2015 | 01.01.2016 | Electricity and Dual Fuel | Price decrease of Smart Energy - Gas price reduction |
| Utilita | 17.12.2015 | 01.01.2016 | All | Price decrease of Premium Energy - Gas price reduction |
| Extra Energy | 31.12.2015 | 31.12.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Jan 2017 v2 |
| Extra Energy | 31.12.2015 | 31.12.2015 | Electricity and Dual Fuel | Removal of Festive Fuel Fixed Price Jan 2017 v1 |
| Sainsbury's Energy | 30.12.2015 | 30.12.2015 | Dual Fuel | Launch of SE Fixed Price July 2018 |
| Sainsbury's Energy | 30.12.2015 | 30.12.2015 | Dual Fuel | Launch of Fix and Reward September 2017 |
| Sainsbury's Energy | 30.12.2015 | 30.12.2015 | Dual Fuel | Removal of Fixed Price December 2016 |
| Sainsbury's Energy | 30.12.2015 | 30.12.2015 | Dual Fuel | Removal of Price Promise December 2016 |
| npower | 23.12.2015 | 23.12.2015 | Dual Fuel | Removal of Home Safe Fix March 2017 |
| npower | 23.12.2015 | 23.12.2015 | All | Launch of Price Fix March 2017 - Tariff re-launched. |
| GnERGY | 21.12.2015 | 21.12.2015 | Dual Fuel | Launch of GnERGY Fixed February 2017 |
| GnERGY | 21.12.2015 | 21.12.2015 | Dual Fuel | Removal of GnERGY Fixed November 2016 |
| ScottishPower | 18.12.2015 | 18.12.2015 | All | Launch of Online Fixed Price Energy January 2017 |
| ScottishPower | 18.12.2015 | 18.12.2015 | All | Removal of Online Fixed Price Energy December 2016 |
| Extra Energy | 18.12.2015 | 18.12.2015 | Electricity and Dual Fuel | Launch of Festive Fuel Fixed Price Jan 2017 v1 |
| Extra Energy | 18.12.2015 | 18.12.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Jan 2017 v1 |
| Green Star Energy | 18.12.2015 | 18.12.2015 | All | Launch of Rate Saver 12m Fixed 2512 |
| Green Star Energy | 18.12.2015 | 18.12.2015 | All | Removal of Rate Saver 12m Fixed 1512 |
| EnergySW | 17.12.2015 | 17.12.2015 | Electricity and Dual Fuel | Price amendment of EnergySW Fixed - Price amendment for Economy 7 meters |
| EnergySW | 17.12.2015 | 17.12.2015 | Electricity and Dual Fuel | Price amendment of EnergySW Greener - Price amendment for Economy 7 meters |
| EnergySW | 17.12.2015 | 17.12.2015 | Electricity and Dual Fuel | Price amendment of EnergySW PAYG - Price amendment for Economy 7 meters |
| EnergySW | 17.12.2015 | 17.12.2015 | Electricity and Dual Fuel | Price amendment of EnergySW Variable - Price amendment for Economy 7 meters |
| First Utility | 17.12.2015 | 17.12.2015 | Electricity and Dual Fuel | Launch of iSave Fixed February 2017 v2 |
| First Utility | 17.12.2015 | 17.12.2015 | Electricity and Dual Fuel | Removal of iSave Fixed February 2017 |
| First Utility | 17.12.2015 | 17.12.2015 | Electricity and Dual Fuel | Price amendment of iSave Everyday |
| First Utility | 17.12.2015 | 17.12.2015 | Electricity and Dual Fuel | Price amendment of iSave Everyday Prepayment |
| British Gas | 15.12.2015 | 15.12.2015 | All | Launch of Fixed Price July 2018 |
| British Gas | 15.12.2015 | 15.12.2015 | All | Removal of Fixed Price March 2018 |
| First Utility | 11.12.2015 | 11.12.2015 | Electricity and Dual Fuel | Launch of iSave Fixed February 2017 |
| First Utility | 11.12.2015 | 11.12.2015 | Electricity and Dual Fuel | Removal of iSave Fixed January 2017 |
| M&S Energy | 11.12.2015 | 11.12.2015 | Electricity and Dual Fuel | Removal of M&S Energy 1 Year Fixed (paperless billing) |
| SSE | 11.12.2015 | 11.12.2015 | Electricity and Dual Fuel | Removal of SSE 1 Year Fixed v3 (paperless billing) |
| First Utility | 10.12.2015 | 10.12.2015 | Electricity and Dual Fuel | Removal of NSPCC First |
| First Utility | 10.12.2015 | 10.12.2015 | Electricity and Dual Fuel | Launch of iControl Fixed February 2019 |
| First Utility | 10.12.2015 | 10.12.2015 | Electricity and Dual Fuel | Launch of iSave Fixed January 2019 v2 |
| First Utility | 10.12.2015 | 10.12.2015 | Electricity and Dual Fuel | Removal of iControl Fixed January 2019 |
| PFP Energy | 10.12.2015 | 10.12.2015 | All | Price amendment of Fair, Simple, Clear |
| PFP Energy | 10.12.2015 | 10.12.2015 | All | Removal of Together - January 2017 - fixed 27 |
| PFP Energy | 10.12.2015 | 10.12.2015 | All | Launch of Together - January 2017 - fixed 28 |
| Co-operative Energy | 09.12.2015 | 09.12.2015 | Dual Fuel | Launch of Co-op Online February 2017 |
| Avro Energy | 07.12.2015 | 07.12.2015 | Electricity and Dual Fuel | Launch of Simple and Save |
| Green Star Energy | 07.12.2015 | 07.12.2015 | All | Removal of Rate Saver 12m Fixed 2511 |
| Green Star Energy | 07.12.2015 | 07.12.2015 | All | Launch of Rate Saver 12m Fixed 1512 |
| iSupplyEnergy | 07.12.2015 | 07.12.2015 | Electricity | Removal of iFix 201612 Direct |
| iSupplyEnergy | 07.12.2015 | 07.12.2015 | Electricity | Launch of iFix 201701 |
| iSupplyEnergy | 07.12.2015 | 07.12.2015 | Electricity | Launch of iFix 201701 Direct |
| iSupplyEnergy | 07.12.2015 | 07.12.2015 | Electricity | Removal of iFix 201612 |
| Telecom Plus | 06.12.2015 | 06.12.2015 | All | Launch of Double Gold Fixed 5 |
| Telecom Plus | 06.12.2015 | 06.12.2015 | All | Removal of Double Gold Fixed 4 |
| LoCO2 Energy | 04.12.2015 | 04.12.2015 | Electricity and Dual Fuel | Removal of Pocket Fixed Fall |
| LoCO2 Energy | 04.12.2015 | 04.12.2015 | Electricity and Dual Fuel | Launch of Pocket Fixed Winter |
| Better Energy | 04.12.2015 | 04.12.2015 | Gas | Removal of Online Fixed Nov16 |
| Better Energy | 04.12.2015 | 04.12.2015 | Gas | Launch of Online Fixed Dec16 |
| Better Energy | 04.12.2015 | 04.12.2015 | Gas | Launch of Postal Fixed Dec16 |
| Co-operative Energy | 04.12.2015 | 04.12.2015 | Dual Fuel | Removal of Co-op Online January 2017 |
| Better Energy | 04.12.2015 | 04.12.2015 | Gas | Launch of Online Saver 6 |
| Better Energy | 04.12.2015 | 04.12.2015 | Gas | Launch of Postal Saver 6 |
| Avro Energy | 04.12.2015 | 04.12.2015 | Electricity and Dual Fuel | Removal of No Standing Charge Energy |
| Co-operative Energy | 03.12.2015 | 03.12.2015 | Dual Fuel | Launch of Co-op Online January 2017 |
| Extra Energy | 03.12.2015 | 03.12.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2016 v8 |
| Extra Energy | 03.12.2015 | 03.12.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Dec 2016 v5 |
| Extra Energy | 03.12.2015 | 03.12.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price Dec 2016 v5 |
| Extra Energy | 03.12.2015 | 03.12.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Jan 2017 v1 |
| Extra Energy | 03.12.2015 | 03.12.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Jan 2017 v1 |
| Extra Energy | 03.12.2015 | 03.12.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price Jan 2017 v1 |
| Go Effortless Energy | 02.12.2015 | 02.12.2015 | All | Removal of November 2015 v2 |
| Go Effortless Energy | 02.12.2015 | 02.12.2015 | All | Launch of December 2015 v1 |
| First Utility | 01.12.2015 | 01.12.2015 | Electricity and Dual Fuel | Removal of iSave Fixed December 2017 |
| First Utility | 01.12.2015 | 01.12.2015 | Electricity and Dual Fuel | Removal of You First January 2019 |
| First Utility | 01.12.2015 | 01.12.2015 | Electricity and Dual Fuel | Launch of NSPCC First |
| First Utility | 01.12.2015 | 01.12.2015 | Dual Fuel | Launch of iControl Fixed January 2019 |
| npower | 30.11.2015 | 30.11.2015 | All | Removal of Price Fix March 2017 |
| npower | 30.11.2015 | 30.11.2015 | All | Removal of Online Price Fix Dec 2016 |
| npower | 30.11.2015 | 30.11.2015 | All | Launch of Online Price Fix January 2017 |
| npower | 30.11.2015 | 30.11.2015 | All | Launch of Price Fix February 2018 |
| Sainsbury's Energy | 30.11.2015 | 30.11.2015 | Dual Fuel | Removal of Fixed Price November 2016 |
| Sainsbury's Energy | 30.11.2015 | 30.11.2015 | Dual Fuel | Removal of Price Promise November 2016 |
| Sainsbury's Energy | 30.11.2015 | 30.11.2015 | Dual Fuel | Launch of Fixed Price December 2016 |
| Sainsbury's Energy | 30.11.2015 | 30.11.2015 | Dual Fuel | Launch of Price Promise December 2016 |
| ScottishPower | 30.11.2015 | 30.11.2015 | All | Removal of Online Fixed Price Energy November 2016 |
| ScottishPower | 30.11.2015 | 30.11.2015 | All | Launch of Online Fixed Price Energy December 2016 |
| Avro Energy | 30.11.2015 | 30.11.2015 | Electricity and Dual Fuel | Launch of No Standing Charge Energy - A new supplier |
| PFP Energy | 30.11.2015 | 30.11.2015 | All | Removal of Together - December 2016 - fixed 26 |
| PFP Energy | 30.11.2015 | 30.11.2015 | All | Launch of Together - January 2017 - fixed 27 |
| PFP Energy | 30.11.2015 | 30.11.2015 | All | Price amendment of Fair, Simple, Clear |
| So Energy | 30.11.2015 | 30.11.2015 | All | Removal of So Armadillo |
| So Energy | 30.11.2015 | 30.11.2015 | All | Launch of So Baboon |
| Robin Hood Energy | 27.11.2015 | 27.11.2015 | All | Added prepayment as payment type |
| First Utility | 27.11.2015 | 27.11.2015 | Electricity and Dual Fuel | Launch of iSave Fixed January 2017 |
| First Utility | 27.11.2015 | 27.11.2015 | Electricity and Dual Fuel | Removal of iSave Fixed December 2016 v5 |
| SSE | 25.11.2015 | 25.11.2015 | Electricity and Dual Fuel | Launch of SSE 1 Year Fixed v3 (paperless billing) |
| SSE | 25.11.2015 | 25.11.2015 | Electricity and Dual Fuel | Removal of SSE 1 Year Fixed v2 (paperless billing) |
| GB Energy Supply | 24.11.2015 | 24.11.2015 | All | Price decrease of Premium Energy Saver |
| Go Effortless Energy | 24.11.2015 | 24.11.2015 | All | Removal of November 2015 v1 |
| Go Effortless Energy | 24.11.2015 | 24.11.2015 | All | Launch of November 2015 v2 |
| Flow Energy | 24.11.2015 | 24.11.2015 | All | Removal of Connect 3 |
| Flow Energy | 24.11.2015 | 24.11.2015 | All | Launch of Connect 4 |
| GB Energy Supply | 24.11.2015 | 24.11.2015 | Electricity and Dual Fuel | Price decrease of Premium Day/Night Energy Saver |
| GB Energy Supply | 24.11.2015 | 24.11.2015 | Electricity and Dual Fuel | Price decrease of Premium Day/Night Energy Saver Single Rate |
| OVO Energy | 23.11.2015 | 23.11.2015 | Electricity and Dual Fuel | Removal of Smart PAYG Energy |
| EnergySW | 23.11.2015 | 23.11.2015 | Electricity and Dual Fuel | Launch of EnergySW Fixed - New Supplier |
| EnergySW | 23.11.2015 | 23.11.2015 | Electricity and Dual Fuel | Launch of EnergySW Greener - New supplier |
| EnergySW | 23.11.2015 | 23.11.2015 | Electricity and Dual Fuel | Launch of EnergySW PAYG - New Supplier |
| EnergySW | 23.11.2015 | 23.11.2015 | Electricity and Dual Fuel | Launch of EnergySW Variable - New supplier |
| First Utility | 22.11.2015 | 22.11.2015 | Electricity and Dual Fuel | Removal of Quidco Collective February 2017 |
| Green Star Energy | 20.11.2015 | 20.11.2015 | All | Removal of Rate Saver 12m Fixed 1511 |
| Green Star Energy | 20.11.2015 | 20.11.2015 | Electricity and Dual Fuel | Launch of Rate Saver 12m Fixed 2511 |
| EDF Energy | 19.11.2015 | 19.11.2015 | All | Removal of Blue+Price Freeeeze November 2017 |
| EDF Energy | 19.11.2015 | 19.11.2015 | All | Removal of Blue+Price Promise November 2016 |
| EDF Energy | 19.11.2015 | 19.11.2015 | All | Launch of Blue+Price Freeeeze January 2018 |
| EDF Energy | 19.11.2015 | 19.11.2015 | All | Launch of Blue+Price Promise January 2017 |
| Extra Energy | 19.11.2015 | 19.11.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Dec 2016 v4 |
| Extra Energy | 19.11.2015 | 19.11.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price Dec 2016 v4 |
| Extra Energy | 19.11.2015 | 19.11.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2016 v7 |
| Extra Energy | 19.11.2015 | 19.11.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Dec 2016 v8 |
| Extra Energy | 19.11.2015 | 19.11.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Dec 2016 v5 |
| Extra Energy | 19.11.2015 | 19.11.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price Dec 2016 v5 |
| First Utility | 19.11.2015 | 19.11.2015 | Electricity and Dual Fuel | Launch of iSave Fixed December 2017 |
| First Utility | 19.11.2015 | 19.11.2015 | Electricity and Dual Fuel | Launch of You First January 2019 |
| First Utility | 19.11.2015 | 19.11.2015 | Electricity and Dual Fuel | Removal of You First December 2016 v2 |
| First Utility | 19.11.2015 | 19.11.2015 | Electricity and Dual Fuel | Removal of iSave Fixed January 2019 |
| npower | 18.11.2015 | 18.11.2015 | All | Launch of Online Price Fix Dec 2016 |
| npower | 18.11.2015 | 18.11.2015 | All | Removal of Fixed Energy Online Dec 2016 |
| Robin Hood Energy | 18.11.2015 | 18.11.2015 | All | Launch of Robin Hood Energy Nottingham PAYG |
| Zog Energy | 17.11.2015 | 17.11.2015 | Gas | New version of Mercury 12 |
| Zog Energy | 17.11.2015 | 17.11.2015 | Gas | New version of Mercury 24 |
| Zog Energy | 17.11.2015 | 17.11.2015 | Gas | New version of Saturn 12 |
| GB Energy Supply | 17.11.2015 | 17.11.2015 | All | Launch of Fixed 12 Emerald |
| GB Energy Supply | 17.11.2015 | 17.11.2015 | Electricity and Dual Fuel | Launch of Fixed 12 Emerald 2 Rate |
| So Energy | 17.11.2015 | 17.11.2015 | All | Launch of So Armadillo |
| So Energy | 17.11.2015 | 17.11.2015 | Electricity and Dual Fuel | Launch of So Armadillo - New Supplier |
| Better Energy | 13.11.2015 | 13.11.2015 | Gas | Launch of Online Fixed Nov16 |
| Better Energy | 13.11.2015 | 13.11.2015 | Gas | Removal of Online Fixed Oct16 |
| Economy Energy | 12.11.2015 | 12.11.2015 | All | Launch of Economy - New Supplier |
| Economy Energy | 12.11.2015 | 12.11.2015 | All | Launch of Evergreen - New Supplier |
| Economy Energy | 12.11.2015 | 12.11.2015 | All | Launch of Direct Saver - New Supplier |
| Future Energy | 12.11.2015 | 12.11.2015 | Electricity and Dual Fuel | Launch of Future Energy + - New Supplier |
| Fairerpower | 11.11.2015 | 11.11.2015 | Electricity and Dual Fuel | New version of Fairerpower Fixed |
| Peterborough Energy | 11.11.2015 | 11.11.2015 | Electricity and Dual Fuel | New version of Peterborough Fixed |
| Southend Energy | 11.11.2015 | 11.11.2015 | Electricity and Dual Fuel | New version of Southend Energy Fixed |
| Southend Energy | 11.11.2015 | 11.11.2015 | Electricity and Dual Fuel | New version of Southend Energy Greener |
| OVO Energy | 11.11.2015 | 11.11.2015 | Electricity and Dual Fuel | New version of Better Energy |
| OVO Energy | 11.11.2015 | 11.11.2015 | Electricity and Dual Fuel | New version of Better Energy (all online) |
| OVO Energy | 11.11.2015 | 11.11.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| OVO Energy | 11.11.2015 | 11.11.2015 | Electricity and Dual Fuel | New version of Greener Energy (all online) |
| Economy Energy | 12.11.2015 | 11.11.2015 | All | Launch of Economy |
| Co-operative Energy | 10.11.2015 | 10.11.2015 | Electricity and Dual Fuel | Removal of Fixed August 2016 |
| Co-operative Energy | 10.11.2015 | 10.11.2015 | Dual Fuel | Removal of Fair & Square October 2016 |
| Co-operative Energy | 10.11.2015 | 10.11.2015 | Dual Fuel | Launch of Co-op Online December 2016 |
| Extra Energy | 10.11.2015 | 10.11.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Dec 2016 v3 |
| Extra Energy | 10.11.2015 | 10.11.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2016 v6 |
| Extra Energy | 10.11.2015 | 10.11.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price Dec 2016 v3 |
| Extra Energy | 10.11.2015 | 10.11.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Dec 2016 v7 |
| Extra Energy | 10.11.2015 | 10.11.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Dec 2016 v4 |
| Extra Energy | 10.11.2015 | 10.11.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price Dec 2016 v4 |
| First Utility | 10.11.2015 | 10.11.2015 | Electricity and Dual Fuel | Launch of iSave Fixed January 2019 |
| First Utility | 10.11.2015 | 10.11.2015 | Dual Fuel | Removal of iControl Fixed September 2018 v3 |
| Daligas | 09.11.2015 | 09.11.2015 | Gas | Removal of Daligas One (FIX 12) |
| Daligas | 09.11.2015 | 09.11.2015 | Gas | Launch of Daligas One Fix Saver 15 |
| Green Star Energy | 09.11.2015 | 09.11.2015 | All | Removal of Rate Saver 12m Fixed 2510 |
| Green Star Energy | 09.11.2015 | 09.11.2015 | All | Launch of Rate Saver 12m Fixed 1511 |
| PFP Energy | 06.11.2015 | 06.11.2015 | All | Launch of Together - December 2016 - fixed 26 Paper Billing |
| PFP Energy | 06.11.2015 | 06.11.2015 | All | Launch of Together - December 2016 - fixed 26 Paperless |
| PFP Energy | 06.11.2015 | 06.11.2015 | All | Launch of Fair, Simple, Clear 20 Paper Billing |
| PFP Energy | 06.11.2015 | 06.11.2015 | All | Launch of Fair, Simple, Clear 20 Paperless |
| Zog Energy | 05.11.2015 | 05.11.2015 | Gas | New version of Mercury 12 |
| Zog Energy | 05.11.2015 | 05.11.2015 | Gas | New version of Mercury 24 |
| Zog Energy | 05.11.2015 | 05.11.2015 | Gas | New version of Saturn 12 |
| Robin Hood Energy | 05.11.2015 | 05.11.2015 | All | Launch of Robin Hood Energy Prime v2 |
| Robin Hood Energy | 05.11.2015 | 05.11.2015 | All | Launch of Robin Hood Energy Nottingham v2 |
| Robin Hood Energy | 05.11.2015 | 05.11.2015 | All | Removal of Robin Hood Energy Prime |
| Robin Hood Energy | 05.11.2015 | 05.11.2015 | All | Removal of Robin Hood Energy Nottingham |
| Go Effortless Energy | 04.11.2015 | 04.11.2015 | All | Removal of October 2015 v2 |
| Go Effortless Energy | 04.11.2015 | 04.11.2015 | All | Launch of November 2015 v1 |
| OVO Energy | 02.11.2015 | 02.11.2015 | Electricity and Dual Fuel | Price amendment of Smart PAYG Energy |
| OVO Energy | 02.11.2015 | 02.11.2015 | Electricity and Dual Fuel | Price amendment of Smart PAYG Energy (all online) |
| Southend Energy | 02.11.2015 | 02.11.2015 | Electricity and Dual Fuel | Price amendment of Southend PAYG |
| Peterborough Energy | 02.11.2015 | 02.11.2015 | Electricity and Dual Fuel | Price amendment of Peterborough Energy PAYG |
| First Utility | 02.11.2015 | 02.11.2015 | Electricity and Dual Fuel | Launch of iControl Fixed September 2018 v3 |
| First Utility | 02.11.2015 | 02.11.2015 | Electricity and Dual Fuel | Price amendment of iSave Everyday |
| First Utility | 02.11.2015 | 02.11.2015 | Electricity and Dual Fuel | Removal of iSave Fixed September 2018 v6 |
| Telecom Plus | 05.11.2015 | 01.11.2015 | All | Price amendment of Value |
| Telecom Plus | 05.11.2015 | 01.11.2015 | All | Price amendment of Gold |
| Telecom Plus | 05.11.2015 | 01.11.2015 | All | Price amendment of Double Gold |
| Sainsbury's Energy | 30.10.2015 | 30.10.2015 | Dual Fuel | Removal of Fixed Price October 2016 |
| Sainsbury's Energy | 30.10.2015 | 30.10.2015 | Dual Fuel | Removal of Price Freeze October 2016 |
| Sainsbury's Energy | 30.10.2015 | 30.10.2015 | Dual Fuel | Removal of Price Promise October 2016 |
| Sainsbury's Energy | 30.10.2015 | 30.10.2015 | Dual Fuel | Launch of Price Promise November 2016 |
| Sainsbury's Energy | 30.10.2015 | 30.10.2015 | Dual Fuel | Launch of Fixed Price November 2016 |
| Sainsbury's Energy | 30.10.2015 | 30.10.2015 | Dual Fuel | Launch of Fix and Reward March 2017 |
| First Utility | 30.10.2015 | 30.10.2015 | Electricity and Dual Fuel | Launch of Quidco Collective February 2017 |
| Green Star Energy | 29.10.2015 | 29.10.2015 | Electricity and Dual Fuel | Removal of Green Saver 12 Month Fixed 1507 |
| Green Star Energy | 29.10.2015 | 29.10.2015 | Electricity and Dual Fuel | Launch of Green Saver 12 Month Fixed 1510 |
| Extra Energy | 29.10.2015 | 29.10.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2016 v5 |
| Extra Energy | 29.10.2015 | 29.10.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Dec 2016 v6 |
| M&S Energy | 28.10.2015 | 28.10.2015 | Electricity and Dual Fuel | Launch of M&S Energy 1 Year Fixed (paper) |
| M&S Energy | 28.10.2015 | 28.10.2015 | Electricity and Dual Fuel | Launch of M&S Energy 1 Year Fixed (paperless billing) |
| M&S Energy | 28.10.2015 | 28.10.2015 | Electricity and Dual Fuel | Launch of M&S Energy Fix & More Mar 17 (paperless billing) |
| M&S Energy | 28.10.2015 | 28.10.2015 | Electricity and Dual Fuel | Removal of M&S Energy Fix & More Nov 16 |
| M&S Energy | 28.10.2015 | 28.10.2015 | Electricity and Dual Fuel | Launch of M&S Energy Fix & More Mar 17 (paper) |
| Better Energy | 27.10.2015 | 27.10.2015 | Gas | Removal of Online Fixed Sep16 |
| First Utility | 27.10.2015 | 27.10.2015 | Electricity and Dual Fuel | Launch of You First December 2016 v2 |
| First Utility | 27.10.2015 | 27.10.2015 | Electricity and Dual Fuel | Launch of iSave Fixed December 2016 v5 |
| First Utility | 27.10.2015 | 27.10.2015 | Electricity and Dual Fuel | Removal of You First December 2016 |
| First Utility | 27.10.2015 | 27.10.2015 | Electricity and Dual Fuel | Removal of iSave Fixed December 2016 v4 |
| ScottishPower | 26.10.2015 | 26.10.2015 | All | Launch of Online Fixed Price Energy November 2016 |
| ScottishPower | 26.10.2015 | 26.10.2015 | All | Removal of Online Fixed Price Energy October 2016 |
| Green Star Energy | 23.10.2015 | 23.10.2015 | All | Launch of Rate Saver 12m Fixed 2510 |
| Green Star Energy | 23.10.2015 | 23.10.2015 | All | Removal of Rate Saver 12m Fixed 1510 |
| Extra Energy | 23.10.2015 | 23.10.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Dec 2016 v5 |
| Extra Energy | 23.10.2015 | 23.10.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Dec 2016 v3 |
| Extra Energy | 23.10.2015 | 23.10.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price Dec 2016 v3 |
| Extra Energy | 23.10.2015 | 23.10.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2016 v4 |
| Extra Energy | 23.10.2015 | 23.10.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Dec 2016 v2 |
| Extra Energy | 23.10.2015 | 23.10.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price Dec 2016 v2 |
| iSupplyEnergy | 23.10.2015 | 23.10.2015 | Electricity | Launch of iFix 201612 |
| iSupplyEnergy | 23.10.2015 | 23.10.2015 | Electricity | Launch of iFix 201612 Direct |
| iSupplyEnergy | 23.10.2015 | 23.10.2015 | Electricity | Removal of iFix 201611 |
| iSupplyEnergy | 23.10.2015 | 23.10.2015 | Electricity | Removal of iFix 201611 Direct |
| npower | 22.10.2015 | 22.10.2015 | All | Launch of Fixed Energy Online Dec 2016 |
| npower | 22.10.2015 | 22.10.2015 | All | Removal of Price Fix November 2016 |
| Better Energy | 22.10.2015 | 22.10.2015 | Gas | Launch of Online Fixed Oct16 |
| First Utility | 22.10.2015 | 22.10.2015 | Electricity and Dual Fuel | Launch of iSave Fixed September 2018 v6 |
| First Utility | 22.10.2015 | 22.10.2015 | Electricity and Dual Fuel | Removal of iSave Fixed September 2018 v5 |
| Flow Energy | 21.10.2015 | 21.10.2015 | All | Launch of Connect 3 |
| Flow Energy | 21.10.2015 | 21.10.2015 | All | Removal of Connect 2 |
| GB Energy Supply | 19.10.2015 | 19.10.2015 | All | Price amendment of Premium Energy Saver |
| GB Energy Supply | 19.10.2015 | 19.10.2015 | Electricity and Dual Fuel | Price amendment of Premium Day/Night Energy Saver |
| GB Energy Supply | 19.10.2015 | 19.10.2015 | Electricity and Dual Fuel | Price amendment of Premium Day/Night Energy Saver Single Rate |
| OVO Energy | 19.10.2015 | 19.10.2015 | Electricity and Dual Fuel | New version of Better Energy |
| OVO Energy | 19.10.2015 | 19.10.2015 | Electricity and Dual Fuel | New version of Better Energy (all online) |
| OVO Energy | 19.10.2015 | 19.10.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| OVO Energy | 19.10.2015 | 19.10.2015 | Electricity and Dual Fuel | New version of Greener Energy (all online) |
| Fairerpower | 19.10.2015 | 19.10.2015 | Electricity and Dual Fuel | New version of Fairerpower Fixed |
| Peterborough Energy | 19.10.2015 | 19.10.2015 | Electricity and Dual Fuel | New version of Peterborough Fixed |
| Southend Energy | 19.10.2015 | 19.10.2015 | Electricity and Dual Fuel | New version of Southend Energy Fixed |
| Southend Energy | 19.10.2015 | 19.10.2015 | Electricity and Dual Fuel | New version of Southend Energy Greener |
| Green Star Energy | 19.10.2015 | 19.10.2015 | Dual Fuel | Launch of Unlimited Compact Tariff 12M 1510 |
| Green Star Energy | 19.10.2015 | 19.10.2015 | Dual Fuel | Launch of Unlimited Plus Tariff 12M 1510 |
| Go Effortless Energy | 17.10.2015 | 17.10.2015 | All | Launch of October 2015 v2 |
| Go Effortless Energy | 17.10.2015 | 17.10.2015 | All | Removal of October 2015 v1 |
| Spark Energy | 14.10.2015 | 14.10.2015 | Dual Fuel | Launch of Tenant Saver (Fixed) - December 2016 |
| Spark Energy | 14.10.2015 | 14.10.2015 | All | Launch of Tenant Saver (Variable) |
| Spark Energy | 14.10.2015 | 14.10.2015 | All | Removal of PAYG Saver |
| Spark Energy | 14.10.2015 | 14.10.2015 | All | Removal of Direct Debit Saver |
| Extra Energy | 14.10.2015 | 14.10.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Dec 2016 v1 |
| Extra Energy | 14.10.2015 | 14.10.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2016 v3 |
| Extra Energy | 14.10.2015 | 14.10.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price Dec 2016 v1 |
| Extra Energy | 14.10.2015 | 14.10.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Dec 2016 v4 |
| Extra Energy | 14.10.2015 | 14.10.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Dec 2016 v2 |
| Extra Energy | 14.10.2015 | 14.10.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price Dec 2016 v2 |
| Go Effortless Energy | 13.10.2015 | 13.10.2015 | All | Launch of October 2015 v1 |
| Go Effortless Energy | 13.10.2015 | 13.10.2015 | All | Removal of September 2015 v1 |
| Bristol Energy | 13.10.2015 | 13.10.2015 | All | Launch of Bristol Energy Fixed 12M 1501 12 Month Paperless Bills |
| First Utility | 12.10.2015 | 12.10.2015 | Dual Fuel | Removal of iControl Fixed September 2018 v2 |
| First Utility | 12.10.2015 | 12.10.2015 | Electricity and Dual Fuel | Launch of iSave Fixed September 2018 v5 |
| Green Star Energy | 09.10.2015 | 09.10.2015 | All | Launch of Rate Saver 12m Fixed 1510 |
| Green Star Energy | 09.10.2015 | 09.10.2015 | All | Removal of Rate Saver 12m Fixed 3509 |
| First Utility | 08.10.2015 | 08.10.2015 | Electricity and Dual Fuel | Removal of iSave Fixed September 2017 |
| First Utility | 08.10.2015 | 08.10.2015 | Electricity and Dual Fuel | Launch of You First December 2016 |
| First Utility | 07.10.2015 | 07.10.2015 | Electricity and Dual Fuel | Removal of iSave Fixed December 2016 v3 |
| First Utility | 07.10.2015 | 07.10.2015 | Electricity and Dual Fuel | Launch of iSave Fixed December 2016 v4 |
| npower | 05.10.2015 | 05.10.2015 | All | Launch of Price Fix November 2016 |
| npower | 05.10.2015 | 05.10.2015 | All | Removal of Online Price Fix November 2016 |
| OVO Energy | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| OVO Energy | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | New version of Greener Energy (all online) |
| OVO Energy | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | New version of Better Energy |
| OVO Energy | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | New version of Greener Energy (all online) |
| OVO Energy | 05.10.2015 | 05.10.2015 | All | Price amendment of Smart PAYG Energy |
| OVO Energy | 05.10.2015 | 05.10.2015 | All | Price amendment of Smart PAYG Energy (all online) |
| Fairerpower | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | New version of Fairerpower Fixed |
| Fairerpower | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | Price amendment of Fairerpower PAYG |
| Southend Energy | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | New version of Southend Energy Fixed |
| Southend Energy | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | New version of Southend Energy Greener |
| Southend Energy | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | Launch of Southend PAYG |
| Peterborough Energy | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | Price amendment of Peterborough Energy PAYG |
| Peterborough Energy | 05.10.2015 | 05.10.2015 | Electricity and Dual Fuel | New version of Peterborough Fixed |
| Zog Energy | 05.10.2015 | 05.10.2015 | Gas | New version of Mercury 12 |
| Zog Energy | 05.10.2015 | 05.10.2015 | Gas | New version of Mercury 24 |
| Zog Energy | 05.10.2015 | 05.10.2015 | Gas | Launch of Saturn 12 |
| Utilita | 14.09.2015 | 01.10.2015 | Electricity and Dual Fuel | Price decrease of Smart Energy - Gas price reduction |
| Utilita | 14.09.2015 | 01.10.2015 | All | Price decrease of Premium Energy - Gas price reduction |
| First Utility | 01.10.2015 | 01.10.2015 | Dual Fuel | Launch of iControl Fixed September 2018 v2 |
| First Utility | 01.10.2015 | 01.10.2015 | Electricity and Dual Fuel | Removal of iSave Fixed September 2018 v4 |
| Better Energy | 01.10.2015 | 01.10.2015 | Gas | Launch of Online Fixed Sep16 |
| Go Effortless Energy | 30.09.2015 | 30.09.2015 | All | Removal of August 2015 v1 |
| Go Effortless Energy | 30.09.2015 | 30.09.2015 | All | Launch of September 2015 v1 |
| Sainsbury's Energy | 30.09.2015 | 30.09.2015 | Dual Fuel | Removal of Fixed Price September 2016 |
| Sainsbury's Energy | 30.09.2015 | 30.09.2015 | Dual Fuel | Launch of Fixed Price October 2016 |
| SSE | 30.09.2015 | 30.09.2015 | Electricity and Dual Fuel | Launch of SSE 1 Year Fixed v2 |
| SSE | 30.09.2015 | 30.09.2015 | All | Launch of SSE 2 Year Fix & Shop |
| SSE | 30.09.2015 | 30.09.2015 | All | Removal of Fix & Shop Feb 17 |
| Extra Energy | 30.09.2015 | 30.09.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2016 v2 |
| Extra Energy | 30.09.2015 | 30.09.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Dec 2016 v3 |
| ScottishPower | 29.09.2015 | 29.09.2015 | All | Launch of Online Fixed Price Energy October 2016 |
| ScottishPower | 29.09.2015 | 29.09.2015 | All | Removal of Online Fixed Price Energy September 2016 |
| OVO Energy | 28.09.2015 | 28.09.2015 | All | Price amendment of Smart PAYG Energy |
| OVO Energy | 28.09.2015 | 28.09.2015 | All | Price amendment of Smart PAYG Energy (all Online) |
| GnERGY | 28.09.2015 | 28.09.2015 | Dual Fuel | Launch of GnERGY Fixed November 2016 |
| GnERGY | 28.09.2015 | 28.09.2015 | Dual Fuel | Removal of GnERGY Fixed September 2016 |
| E | 27.09.2015 | 27.09.2015 | Electricity and Dual Fuel | Launch of Prepayment 1 Year Fixed Price 2016 |
| Green Star Energy | 25.09.2015 | 25.09.2015 | All | Removal of Rate Saver 12 Month Fixed 2509 |
| Green Star Energy | 25.09.2015 | 25.09.2015 | All | Launch of Rate Saver 12m Fixed 3509 |
| Flow Energy | 25.09.2015 | 25.09.2015 | All | Launch of Connect 2 |
| First Utility | 25.09.2015 | 25.09.2015 | Electricity and Dual Fuel | Launch of iSave Fixed December 2016 v3 |
| First Utility | 25.09.2015 | 25.09.2015 | Electricity and Dual Fuel | Removal of iSave Fixed December 2016 v2 |
| iSupplyEnergy | 25.09.2015 | 25.09.2015 | Electricity | Launch of iFix 201611 |
| iSupplyEnergy | 25.09.2015 | 25.09.2015 | Electricity | Launch of iFix 201611 Direct |
| iSupplyEnergy | 25.09.2015 | 25.09.2015 | Electricity | Removal of iFix 201610 |
| iSupplyEnergy | 25.09.2015 | 25.09.2015 | Electricity | Removal of iFix 201610 Direct |
| First Utility | 24.09.2015 | 24.09.2015 | Electricity and Dual Fuel | Launch of iSave Fixed September 2018 v4 |
| First Utility | 24.09.2015 | 24.09.2015 | Electricity and Dual Fuel | Removal of iSave Fixed September 2018 v3 |
| First Utility | 23.09.2015 | 23.09.2015 | Electricity and Dual Fuel | Removal of iSave Fixed November 2016 |
| First Utility | 23.09.2015 | 23.09.2015 | Electricity and Dual Fuel | Launch of iSave Fixed December 2016 v2 |
| Extra Energy | 23.09.2015 | 23.09.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2016 v1 |
| Extra Energy | 23.09.2015 | 23.09.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Dec 2016 v2 |
| npower | 21.09.2015 | 21.09.2015 | All | Removal of Fixed Energy Online October 2016 |
| npower | 21.09.2015 | 21.09.2015 | All | Launch of Online Price Fix November 2016 |
| Extra Energy | 21.09.2015 | 21.09.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Nov 2016 v3 |
| Extra Energy | 21.09.2015 | 21.09.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Nov 2016 v2 |
| Extra Energy | 21.09.2015 | 21.09.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price Nov 2016 v2 |
| Extra Energy | 21.09.2015 | 21.09.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Dec 2016 v1 |
| Extra Energy | 21.09.2015 | 21.09.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Dec 2016 v1 |
| Extra Energy | 21.09.2015 | 21.09.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price Dec 2016 v1 |
| Green Star Energy | 21.09.2015 | 21.09.2015 | Dual Fuel | Launch of Unlimited Tariff 12M 1509 |
| First Utility | 18.09.2015 | 18.09.2015 | Electricity and Dual Fuel | Launch of iSave Fixed November 2016 |
| First Utility | 18.09.2015 | 18.09.2015 | Electricity and Dual Fuel | Removal of iSave Fixed October 2016 v2 |
| Green Star Energy | 15.09.2015 | 15.09.2015 | All | Removal of Rate Saver 12 Month Fixed 1508 Plus |
| Green Star Energy | 11.09.2015 | 11.09.2015 | All | Removal of Rate Saver 12 Month Fixed 1509 |
| Green Star Energy | 11.09.2015 | 11.09.2015 | All | Launch of Rate Saver 12 Month Fixed 2509 |
| First Utility | 10.09.2015 | 10.09.2015 | Electricity and Dual Fuel | Launch of iSave Fixed September 2017 |
| First Utility | 10.09.2015 | 10.09.2015 | Electricity and Dual Fuel | Launch of iSave Fixed September 2018 v3 |
| First Utility | 10.09.2015 | 10.09.2015 | Electricity and Dual Fuel | Removal of iSave Fixed August 2017 v2 |
| First Utility | 10.09.2015 | 10.09.2015 | Electricity and Dual Fuel | Removal of iSave Fixed September 2018 v2 |
| EDF Energy | 08.09.2015 | 08.09.2015 | All | Launch of Blue+Price Promise November 2016 |
| EDF Energy | 08.09.2015 | 08.09.2015 | All | Launch of Blue+Price Freeeeze November 2017 |
| EDF Energy | 08.09.2015 | 08.09.2015 | All | Removal of Blue+Fixed Price September 2016 |
| EDF Energy | 08.09.2015 | 08.09.2015 | All | Removal of Blue+Price Freeeeze September 2017 |
| Robin Hood Energy | 07.09.2015 | 07.09.2015 | All | Launch of Robin Hood Energy Prime - New supplier to the market |
| Robin Hood Energy | 07.09.2015 | 07.09.2015 | All | Launch of Robin Hood Energy Evergreen - New supplier to the market |
| Robin Hood Energy | 07.09.2015 | 07.09.2015 | All | Launch of Robin Hood Energy Nottingham - New supplier to the market - only available in the City of Nottingham |
| LoCO2 Energy | 04.09.2015 | 04.09.2015 | All | Removal of Planet Fixed 4 |
| LoCO2 Energy | 04.09.2015 | 04.09.2015 | Electricity and Dual Fuel | Launch of Planet Fixed 5 |
| LoCO2 Energy | 04.09.2015 | 04.09.2015 | Electricity and Dual Fuel | Launch of Pocket Fixed Fall |
| LoCO2 Energy | 04.09.2015 | 04.09.2015 | All | Removal of Pocket Fixed Spring |
| LoCO2 Energy | 04.09.2015 | 04.09.2015 | Gas | Removal of Planet - This tariff is no longer available for Gas only customers |
| LoCO2 Energy | 04.09.2015 | 04.09.2015 | Gas | Removal of Pocket - This tariff is no longer available for Gas only customers. |
| npower | 02.09.2015 | 02.09.2015 | Dual Fuel | Removal of Home Safe Fix April 2017 |
| npower | 02.09.2015 | 02.09.2015 | Dual Fuel | Launch of Home Safe Fix March 2017 |
| npower | 02.09.2015 | 02.09.2015 | All | Removal of Price Fix June 2017 |
| npower | 02.09.2015 | 02.09.2015 | All | Launch of Price Fix March 2017 |
| Green Star Energy | 28.08.2015 | 28.08.2015 | All | Launch of Rate Saver 12 Month Fixed 1509 |
| Green Star Energy | 28.08.2015 | 28.08.2015 | All | Removal of Rate Saver 12 Month Fixed 2508 |
| British Gas | 27.08.2015 | 27.08.2015 | All | Launch of Fixed Price March 2018 |
| British Gas | 27.08.2015 | 27.08.2015 | Dual Fuel | Launch of Fix and Reward January 2017 |
| Sainsbury's Energy | 27.08.2015 | 27.08.2015 | Dual Fuel | Launch of Fixed Price September 2016 |
| Sainsbury's Energy | 27.08.2015 | 27.08.2015 | Dual Fuel | Launch of Price Freeze October 2016 |
| Sainsbury's Energy | 27.08.2015 | 27.08.2015 | Dual Fuel | Launch of Price Promise October 2016 |
| British Gas | 27.08.2015 | 27.08.2015 | Dual Fuel | Removal of Fixed Price August 2016 |
| British Gas | 27.08.2015 | 27.08.2015 | Dual Fuel | Removal of Fix and Reward September 2016 |
| Sainsbury's Energy | 27.08.2015 | 27.08.2015 | Dual Fuel | Removal of SE Fixed Price August 2016 |
| Sainsbury's Energy | 27.08.2015 | 27.08.2015 | Dual Fuel | Removal of SE Price Freeze August 2016 |
| Sainsbury's Energy | 27.08.2015 | 27.08.2015 | Dual Fuel | Removal of Price Promise August 2016 |
| ScottishPower | 27.08.2015 | 27.08.2015 | All | Launch of Online Fixed Price Energy September 2016 |
| ScottishPower | 27.08.2015 | 27.08.2015 | All | Removal of Online Fixed Price Energy August 2016 |
| British Gas | 27.08.2015 | 27.08.2015 | All | Price decrease of Standard - Gas price reduction |
| British Gas | 27.08.2015 | 27.08.2015 | All | Price decrease of Fix and Fall January 2017 - Gas price reduction |
| Sainsbury's Energy | 27.08.2015 | 27.08.2015 | All | Price decrease of Standard - Gas price reduction |
| British Gas | 27.08.2015 | 27.08.2015 | All | Price decrease of Fix and Fall March 2016 - Gas price reduction |
| British Gas | 27.08.2015 | 27.08.2015 | Dual Fuel | Price decrease of Fix and Fall March 2016 Extra - Gas price reduction |
| British Gas | 27.08.2015 | 27.08.2015 | Dual Fuel | Price decrease of Fix and Fall March 2016 Plus - Gas price reduction |
| British Gas | 27.08.2015 | 27.08.2015 | All | Price decrease of Fix and Fall June 2016 - Gas price reduction |
| British Gas | 27.08.2015 | 27.08.2015 | All | Price decrease of Fix and Fall November 2016 - Gas price reduction |
| First Utility | 26.08.2015 | 26.08.2015 | Electricity and Dual Fuel | Launch of Energylinx Collective Switch October 2016 |
| First Utility | 25.08.2015 | 25.08.2015 | Electricity and Dual Fuel | Launch of iSave Fixed October 2016 v2 |
| First Utility | 25.08.2015 | 25.08.2015 | Electricity and Dual Fuel | Removal of iSave Fixed October 2016 |
| Extra Energy | 25.08.2015 | 25.08.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Nov 2016 v3 |
| Extra Energy | 25.08.2015 | 25.08.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Nov 2016 v2 |
| Woodland Trust Energy | 25.08.2015 | 25.08.2015 | Electricity and Dual Fuel | Removal of Better Energy |
| Woodland Trust Energy | 25.08.2015 | 25.08.2015 | Electricity and Dual Fuel | Removal of Greener Energy |
| iSupplyEnergy | 24.08.2015 | 24.08.2015 | Electricity | Launch of iFix 201610 |
| iSupplyEnergy | 24.08.2015 | 24.08.2015 | Electricity | Launch of iFix 201610 Direct |
| iSupplyEnergy | 24.08.2015 | 24.08.2015 | Electricity | Removal of iFix 201609 |
| iSupplyEnergy | 24.08.2015 | 24.08.2015 | Electricity | Removal of iFix 201609 Direct |
| First Utility | 20.08.2015 | 20.08.2015 | Electricity and Dual Fuel | Launch of iSave Fixed September 2018 v2 |
| First Utility | 20.08.2015 | 20.08.2015 | Electricity and Dual Fuel | Removal of iSave Fixed September 2018 |
| ScottishPower | 18.08.2015 | 18.08.2015 | All | Launch of Help Beat Cancer Fixed Price Energy November 2017 |
| ScottishPower | 18.08.2015 | 18.08.2015 | All | Removal of Help Beat Cancer Fixed Price Energy May 2017 |
| Green Star Energy | 14.08.2015 | 14.08.2015 | All | Launch of Rate Saver 12 Month Fixed 2508 |
| Green Star Energy | 14.08.2015 | 14.08.2015 | All | Removal of Rate Saver 12 Month Fixed 1508 |
| Extra Energy | 14.08.2015 | 14.08.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Nov 2016 v2 |
| Extra Energy | 14.08.2015 | 14.08.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price Nov 2016 v2 |
| Extra Energy | 14.08.2015 | 14.08.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Nov 2016 v1 |
| Extra Energy | 14.08.2015 | 14.08.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price Nov 2016 v1 |
| First Utility | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | Launch of iSave Fixed August 2017 v2 |
| First Utility | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | Launch of iSave Fixed October 2016 |
| First Utility | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | Removal of iSave Fixed August 2017 |
| First Utility | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | Removal of iControl Fixed September 2018 |
| First Utility | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | Removal of iSave Fixed December 2016 |
| OVO Energy | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | New version of Better Energy |
| OVO Energy | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| OVO Energy | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | New version of Better Energy (all online) |
| OVO Energy | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | New version of Greener Energy (all online) |
| Woodland Trust Energy | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | New version of Better Energy |
| Woodland Trust Energy | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| Fairerpower | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | New version of Fairerpower Fixed |
| Peterborough Energy | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | New version of Peterborough Fixed |
| Southend Energy | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | New version of Southend Energy Fixed |
| Southend Energy | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | New version of Southend Energy Greener |
| First Utility | 11.08.2015 | 11.08.2015 | Electricity and Dual Fuel | Launch of iSave Fixed September 2018 |
| Co-operative Energy | 10.08.2015 | 10.08.2015 | Dual Fuel | Launch of Fair & Square October 2016 |
| Co-operative Energy | 10.08.2015 | 10.08.2015 | Dual Fuel | Removal of Fair & Square May 2016 |
| First Utility | 07.08.2015 | 07.08.2015 | Electricity and Dual Fuel | Removal of iSave Fixed December 2016 - Removal of Economy 7 prices only. The tariff is still available for sale for standard meters. |
| Peterborough Energy | 07.08.2015 | 07.08.2015 | Electricity and Dual Fuel | Launch of Peterborough Energy PAYG |
| Extra Energy | 06.08.2015 | 06.08.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Nov 2016 v1 |
| Extra Energy | 06.08.2015 | 06.08.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Nov 2016 v2 |
| Go Effortless Energy | 06.08.2015 | 06.08.2015 | All | Launch of August 2015 v1 |
| Go Effortless Energy | 06.08.2015 | 06.08.2015 | All | Removal of July 2015 v3 |
| Utilita | 05.08.2015 | 05.08.2015 | All | Launch of Premium Energy - This is the new name for their Standard tariff. |
| npower | 03.08.2015 | 03.08.2015 | All | Launch of Price Fix June 2017 |
| npower | 03.08.2015 | 03.08.2015 | All | Launch of Fixed Energy Online October 2016 |
| npower | 03.08.2015 | 03.08.2015 | All | Removal of Online Price Fix October 2016 |
| npower | 03.08.2015 | 03.08.2015 | All | Removal of Feel Good Fix April 2017 |
| Green Star Energy | 30.07.2015 | 30.07.2015 | All | Launch of Rate Saver 12 Month Fixed 1508 Plus |
| Co-operative Energy | 30.07.2015 | 30.07.2015 | All | Price amendment of Pioneer Variable - Revised prepayment prices. |
| ScottishPower | 29.07.2015 | 29.07.2015 | All | Launch of Online Fixed Price Energy August 2016 |
| ScottishPower | 29.07.2015 | 29.07.2015 | All | Removal of Online Fixed Price Energy July 2016 |
| Go Effortless Energy | 29.07.2015 | 29.07.2015 | All | Launch of July 2015 v3 - Go Effortless Energy are a new supplier to the market. |
| iSupplyEnergy | 27.07.2015 | 27.07.2015 | Electricity | Launch of iFix 201609 |
| iSupplyEnergy | 27.07.2015 | 27.07.2015 | Electricity | Launch of iFix 201609 Direct |
| iSupplyEnergy | 27.07.2015 | 27.07.2015 | Electricity | Removal of iFix 201608 |
| iSupplyEnergy | 27.07.2015 | 27.07.2015 | Electricity | Removal of iFix 201608 Direct |
| Green Star Energy | 24.07.2015 | 24.07.2015 | All | Launch of Rate Saver 12 Month Fixed 1508 |
| Green Star Energy | 24.07.2015 | 24.07.2015 | All | Removal of Rate Saver 12 Month Fixed 2507 |
| Sainsbury's Energy | 22.07.2015 | 22.07.2015 | Dual Fuel | Removal of Fixed Price July 2016 |
| Sainsbury's Energy | 22.07.2015 | 22.07.2015 | Dual Fuel | Launch of SE Fixed Price August 2016 |
| Green Star Energy | 22.07.2015 | 22.07.2015 | Dual Fuel | Removal of Rate Saver 12 Month Fixed 1507 Plus |
| Telecom Plus | 22.07.2015 | 22.07.2015 | All | Launch of Double Gold Fixed 4 |
| Telecom Plus | 22.07.2015 | 22.07.2015 | All | Removal of Double Gold Fixed Price v3 |
| SSE | 21.07.2015 | 21.07.2015 | Electricity and Dual Fuel | Removal of SSE 1 Year Fixed |
| ScottishPower | 20.07.2015 | 20.07.2015 | Dual Fuel | Removal of Fixed Price Energy August 2018 |
| ScottishPower | 20.07.2015 | 20.07.2015 | Dual Fuel | Launch of Fixed Price Energy January 2018 |
| First Utility | 17.07.2015 | 17.07.2015 | Electricity and Dual Fuel | Removal of iSave Fixed August 2016 |
| First Utility | 17.07.2015 | 17.07.2015 | Electricity and Dual Fuel | Launch of iSave Fixed December 2016 |
| British Gas | 15.07.2015 | 15.07.2015 | All | Removal of Fix and Fall November 2016 |
| British Gas | 15.07.2015 | 15.07.2015 | All | Launch of Fix and Fall January 2017 |
| British Gas | 15.07.2015 | 15.07.2015 | Dual Fuel | Price amendment of Fix and Reward September 2016 |
| GnERGY | 14.07.2015 | 14.07.2015 | Dual Fuel | Launch of GnERGY Fixed September 2016 |
| GnERGY | 14.07.2015 | 14.07.2015 | Dual Fuel | Removal of GnERGY Fixed June 2016 v1 |
| npower | 13.07.2015 | 13.07.2015 | All | Launch of Online Price Fix October 2016 |
| npower | 13.07.2015 | 13.07.2015 | All | Removal of Online Price Fix August 2016 |
| Green Star Energy | 10.07.2015 | 10.07.2015 | All | Removal of Rate Saver 12 Month Fixed 1507 |
| Green Star Energy | 10.07.2015 | 10.07.2015 | All | Launch of Rate Saver 12 Month Fixed 2507 |
| Green Star Energy | 10.07.2015 | 10.07.2015 | Electricity and Dual Fuel | Launch of Green Saver 12 Month Fixed 1507 |
| Green Star Energy | 10.07.2015 | 10.07.2015 | Electricity and Dual Fuel | Removal of Green Saver 12 Month Fixed 1502 |
| M&S Energy | 09.07.2015 | 09.07.2015 | Electricity and Dual Fuel | Removal of M&S Energy Fix & More Sep 16 |
| M&S Energy | 09.07.2015 | 09.07.2015 | Electricity and Dual Fuel | Launch of M&S Energy Fix & More Nov 16 |
| SSE | 09.07.2015 | 09.07.2015 | Electricity and Dual Fuel | Launch of SSE 1 Year Fixed |
| First Utility | 09.07.2015 | 09.07.2015 | Electricity and Dual Fuel | Launch of iSave Fixed August 2017 |
| First Utility | 09.07.2015 | 09.07.2015 | Electricity and Dual Fuel | Removal of iSave Fixed June 2017 v2 |
| First Utility | 09.07.2015 | 09.07.2015 | Dual Fuel | Launch of iControl Fixed September 2018 |
| First Utility | 09.07.2015 | 09.07.2015 | Dual Fuel | Removal of iControl Fixed June 2018 |
| Peterborough Energy | 09.07.2015 | 09.07.2015 | Electricity and Dual Fuel | New version of Peterborough Variable |
| Fairerpower | 08.07.2015 | 08.07.2015 | Electricity and Dual Fuel | Launch of Fairerpower PAYG |
| Green Star Energy | 06.07.2015 | 06.07.2015 | Dual Fuel | Launch of Rate Saver 12 Month Fixed 1507 Plus |
| Green Star Energy | 06.07.2015 | 06.07.2015 | All | Removal of Rate Saver 24M Fixed 1501 |
| Extra Energy | 03.07.2015 | 03.07.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Sept 2016 v2 |
| Extra Energy | 03.07.2015 | 03.07.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Nov 2016 v1 |
| Extra Energy | 03.07.2015 | 03.07.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Nov 2016 v1 |
| Extra Energy | 03.07.2015 | 03.07.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price Nov 2016 v1 |
| First Utility | 03.07.2015 | 03.07.2015 | Electricity and Dual Fuel | Removal of iSave Fixed July 2016 |
| First Utility | 03.07.2015 | 03.07.2015 | Electricity and Dual Fuel | Launch of iSave Fixed August 2016 |
| Flow Energy | 01.07.2015 | 01.07.2015 | All | Price amendment of Flow Variable - Also name changed from Thames Variable. |
| British Gas | 30.06.2015 | 30.06.2015 | All | Launch of Fix and Fall November 2016 |
| British Gas | 30.06.2015 | 30.06.2015 | Dual Fuel | Launch of Fix and Reward September 2016 |
| Sainsbury's Energy | 30.06.2015 | 30.06.2015 | Dual Fuel | Launch of Fixed Price July 2016 |
| Sainsbury's Energy | 30.06.2015 | 30.06.2015 | Dual Fuel | Launch of SE Price Freeze August 2016 |
| Sainsbury's Energy | 30.06.2015 | 30.06.2015 | Dual Fuel | Launch of Price Promise August 2016 |
| British Gas | 30.06.2015 | 30.06.2015 | All | Removal of Fix and Fall June 2016 |
| British Gas | 30.06.2015 | 30.06.2015 | Dual Fuel | Removal of Fix and Reward June 2016 |
| Sainsbury's Energy | 30.06.2015 | 30.06.2015 | Dual Fuel | Removal of Fixed Price June 2016 |
| Sainsbury's Energy | 30.06.2015 | 30.06.2015 | Dual Fuel | Removal of Price Freeze June 2016 |
| Sainsbury's Energy | 30.06.2015 | 30.06.2015 | Dual Fuel | Removal of Price Promise June 2016 |
| Green Star Energy | 26.06.2015 | 26.06.2015 | All | Launch of Rate Saver 12 Month Fixed 1507 |
| Green Star Energy | 26.06.2015 | 26.06.2015 | All | Removal of Rate Saver 12 Month Fixed 1506 |
| ScottishPower | 25.06.2015 | 25.06.2015 | All | Removal of Online Fixed Price Energy June 2016 |
| ScottishPower | 25.06.2015 | 25.06.2015 | All | Launch of Online Fixed Price Energy July 2016 |
| Zog Energy | 23.06.2015 | 23.06.2015 | Gas | New version of Mercury 12 |
| Flow Energy | 23.06.2015 | 23.06.2015 | All | Removal of Together |
| npower | 22.06.2015 | 22.06.2015 | All | Removal of Pre Pay Fix Feb 2017 |
| npower | 22.06.2015 | 22.06.2015 | All | Removal of Price Fix March 2019 |
| npower | 22.06.2015 | 22.06.2015 | Dual Fuel | Launch of Home Safe Fix April 2017 |
| iSupplyEnergy | 19.06.2015 | 19.06.2015 | Electricity | Removal of iFix 201606 v2 |
| iSupplyEnergy | 19.06.2015 | 19.06.2015 | Electricity | Launch of iFix 201608 |
| iSupplyEnergy | 19.06.2015 | 19.06.2015 | Electricity | Launch of iFix 201608 Direct |
| iSupplyEnergy | 19.06.2015 | 19.06.2015 | Electricity | Removal of iFix 201606 Direct v2 |
| EDF Energy | 18.06.2015 | 18.06.2015 | All | Removal of Blue+Price Promise June 2016 |
| EDF Energy | 18.06.2015 | 18.06.2015 | All | Removal of Blue+Fixed Price February 2017 |
| EDF Energy | 18.06.2015 | 18.06.2015 | All | Launch of Blue+Fixed Price September 2016 |
| EDF Energy | 18.06.2015 | 18.06.2015 | All | Launch of Blue+Price Freeeeze September 2017 |
| First Utility | 10.06.2015 | 10.06.2015 | Dual Fuel | Launch of iControl Fixed June 2018 |
| First Utility | 10.06.2015 | 10.06.2015 | Dual Fuel | Removal of iControl Fixed May 2018 |
| OVO Energy | 09.06.2015 | 09.06.2015 | Electricity and Dual Fuel | New version of Better Energy |
| OVO Energy | 09.06.2015 | 09.06.2015 | Electricity and Dual Fuel | New version of Better Energy (all online) |
| OVO Energy | 09.06.2015 | 09.06.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| OVO Energy | 09.06.2015 | 09.06.2015 | Electricity and Dual Fuel | New version of Greener Energy (all online) |
| Woodland Trust Energy | 09.06.2015 | 09.06.2015 | Electricity and Dual Fuel | New version of Better Energy |
| Woodland Trust Energy | 09.06.2015 | 09.06.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| Fairerpower | 09.06.2015 | 09.06.2015 | Electricity and Dual Fuel | New version of Fairerpower Fixed |
| Peterborough Energy | 09.06.2015 | 09.06.2015 | Electricity and Dual Fuel | New version of Peterborough Fixed |
| Southend Energy | 09.06.2015 | 09.06.2015 | Electricity and Dual Fuel | New version of Southend Energy Fixed |
| Southend Energy | 09.06.2015 | 09.06.2015 | Electricity and Dual Fuel | New version of Southend Energy Greener |
| First Utility | 08.06.2015 | 08.06.2015 | Electricity and Dual Fuel | Launch of One Big Switch (Scotland) Fixed June 2016 |
| British Gas | 05.06.2015 | 05.06.2015 | Dual Fuel | Re-pricing of Fixed Price August 2016 |
| First Utility | 03.06.2015 | 03.06.2015 | Electricity and Dual Fuel | Removal of iSave Fixed May 2016 v3 |
| First Utility | 03.06.2015 | 03.06.2015 | Electricity and Dual Fuel | Launch of iSave Fixed July 2016 |
| ScottishPower | 29.05.2015 | 29.05.2015 | All | Launch of Online Fixed Price Energy June 2016 |
| ScottishPower | 29.05.2015 | 29.05.2015 | All | Removal of Online Fixed Price Energy May 2016 |
| Sainsbury's Energy | 29.05.2015 | 29.05.2015 | Dual Fuel | Launch of Fixed Price June 2016 |
| Sainsbury's Energy | 29.05.2015 | 29.05.2015 | Dual Fuel | Launch of Price Freeze June 2016 |
| Sainsbury's Energy | 29.05.2015 | 29.05.2015 | Dual Fuel | Launch of Price Promise June 2016 |
| Sainsbury's Energy | 29.05.2015 | 29.05.2015 | Dual Fuel | Removal of SE Fixed Price May 2016 |
| Sainsbury's Energy | 29.05.2015 | 29.05.2015 | Dual Fuel | Removal of Price Freeze May 2016 |
| Sainsbury's Energy | 29.05.2015 | 29.05.2015 | Dual Fuel | Removal of Price Promise May 2016 |
| Green Star Energy | 29.05.2015 | 29.05.2015 | All | Launch of Rate Saver 12 Month Fixed 1506 |
| Green Star Energy | 29.05.2015 | 29.05.2015 | All | Removal of Rate Saver 12 Month Fixed 1505 |
| Extra Energy | 29.05.2015 | 29.05.2015 | Electricity and Dual Fuel | Launch of Variable Price v1 - Added monthly cash/cheque as a payment method |
| GB Energy Supply | 28.05.2015 | 28.05.2015 | Electricity and Dual Fuel | Price amendment of Premium Day/Night Energy Saver |
| GB Energy Supply | 28.05.2015 | 28.05.2015 | Electricity and Dual Fuel | Price amendment of Premium Day/Night Energy Saver Single Rate |
| Co-operative Energy | 27.05.2015 | 27.05.2015 | Electricity and Dual Fuel | Launch of Fixed August 2016 |
| Co-operative Energy | 27.05.2015 | 27.05.2015 | Electricity and Dual Fuel | Removal of Fixed April 2016 v2 |
| GB Energy Supply | 25.05.2015 | 25.05.2015 | All | Price amendment of Premium Energy Saver |
| Southend Energy | 25.05.2015 | 25.05.2015 | Electricity and Dual Fuel | Launch of Southend Energy Fixed |
| Southend Energy | 25.05.2015 | 25.05.2015 | Electricity and Dual Fuel | Launch of Southend Energy Greener |
| Southend Energy | 25.05.2015 | 25.05.2015 | Electricity and Dual Fuel | Launch of Southend Energy Variable |
| npower | 18.05.2015 | 18.05.2015 | All | Launch of Online Price Fix August 2016 |
| npower | 18.05.2015 | 18.05.2015 | All | Launch of Feel Good Fix April 2017 |
| npower | 18.05.2015 | 18.05.2015 | All | Launch of Price Fix March 2019 |
| npower | 18.05.2015 | 18.05.2015 | All | Removal of Price Fix July 2016 |
| npower | 18.05.2015 | 18.05.2015 | All | Removal of Feel Good Fix May 2017 |
| npower | 18.05.2015 | 18.05.2015 | Dual Fuel | Removal of In Control March 2017 |
| Fairerpower | 17.05.2015 | 17.05.2015 | Electricity and Dual Fuel | Price amendment of Fairerpower Variable |
| First Utility | 12.05.2015 | 12.05.2015 | Electricity and Dual Fuel | Launch of iSave Fixed June 2017 v2 |
| First Utility | 12.05.2015 | 12.05.2015 | Electricity and Dual Fuel | Removal of iSave Fixed June 2017 |
| Extra Energy | 11.05.2015 | 11.05.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Sept 2016 v2 |
| Extra Energy | 11.05.2015 | 11.05.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Sept 2016 v1 |
| Green Star Energy | 08.05.2015 | 08.05.2015 | All | Launch of Rate Saver 12 Month Fixed 1505 |
| Green Star Energy | 08.05.2015 | 08.05.2015 | All | Removal of Rate Saver 18 Month Fixed 1504 |
| M&S Energy | 07.05.2015 | 07.05.2015 | Electricity and Dual Fuel | Removal of M&S Energy Fix & More Jul 16 |
| M&S Energy | 07.05.2015 | 07.05.2015 | Electricity and Dual Fuel | Launch of M&S Energy Fix & More Sep 16 |
| Ecotricity | 10.04.2015 | 01.05.2015 | Dual Fuel | Price decrease of Green Electricity - Gas price decrease |
| Ecotricity | 10.04.2015 | 01.05.2015 | Gas | Price decrease of Green Gas - Gas price decrease. |
| Fairerpower | 01.05.2015 | 01.05.2015 | Electricity and Dual Fuel | New version of Fairerpower Fixed |
| iSupplyEnergy | 01.05.2015 | 01.05.2015 | Electricity | Removal of iFix 201606 - Replaced with iFix 201606 v2 |
| iSupplyEnergy | 01.05.2015 | 01.05.2015 | Electricity | Removal of iFix 201606 Direct - Replaced with iFix 201606 Direct v2 |
| iSupplyEnergy | 01.05.2015 | 01.05.2015 | Electricity | Launch of iFix 201606 Direct v2 |
| iSupplyEnergy | 01.05.2015 | 01.05.2015 | Electricity | Launch of iFix 201606 Direct v2 |
| EBICo | 10.04.2015 | 30.04.2015 | Dual Fuel | Price decrease of Equidual - Gas price decrease. |
| EBICo | 10.04.2015 | 30.04.2015 | Gas | Price increase of Equigas - Gas price decrease |
| Sainsbury's Energy | 30.04.2015 | 30.04.2015 | Dual Fuel | Removal of SE Fixed Price April 2016 |
| Sainsbury's Energy | 30.04.2015 | 30.04.2015 | Dual Fuel | Launch of SE Fixed Price May 2016 |
| Peterborough Energy | 30.04.2015 | 30.04.2015 | Electricity and Dual Fuel | Re-pricing of Peterborough Fixed |
| M&S Energy | 30.04.2015 | 30.04.2015 | Electricity and Dual Fuel | Price decrease of M&S Energy Standard Energy - Gas price decrease |
| SSE | 30.04.2015 | 30.04.2015 | All | Price decrease of Standard - Gas price decrease |
| SSE | 30.04.2015 | 30.04.2015 | All | Price decrease of Standard Pay As You Go - Gas price decrease |
| First Utility | 29.04.2015 | 29.04.2015 | Electricity and Dual Fuel | Removal of iSave Fixed May 2016 v2 |
| First Utility | 29.04.2015 | 29.04.2015 | Electricity and Dual Fuel | Launch of iSave Fixed May 2016 v3 |
| OVO Energy | 28.04.2015 | 28.04.2015 | Electricity and Dual Fuel | New version of Better Energy |
| OVO Energy | 28.04.2015 | 28.04.2015 | Electricity and Dual Fuel | New version of Better Energy (all online) |
| OVO Energy | 28.04.2015 | 28.04.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| OVO Energy | 28.04.2015 | 28.04.2015 | Electricity and Dual Fuel | New version of Greener Energy (all online) |
| Woodland Trust Energy | 28.04.2015 | 28.04.2015 | Electricity and Dual Fuel | New version of Better Energy |
| Woodland Trust Energy | 28.04.2015 | 28.04.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| Peterborough Energy | 27.04.2015 | 27.04.2015 | Electricity and Dual Fuel | Launch of Peterborough Fixed |
| Peterborough Energy | 27.04.2015 | 27.04.2015 | Electricity and Dual Fuel | Launch of Peterborough Variable |
| First Utility | 27.04.2015 | 27.04.2015 | Dual Fuel | Launch of iControl Fixed May 2018 |
| First Utility | 27.04.2015 | 27.04.2015 | Electricity and Dual Fuel | Removal of iSave Fixed March 2018 (v43) |
| First Utility | 27.04.2015 | 27.04.2015 | Electricity and Dual Fuel | Removal of iSave Fixed May 2017 |
| First Utility | 27.04.2015 | 27.04.2015 | Electricity and Dual Fuel | Launch of iSave Fixed June 2017 |
| Extra Energy | 24.04.2015 | 24.04.2015 | Gas and Electricity | Removal of Variable Price v1 - Prepayment no longer available for gas only and electric only. |
| iSupplyEnergy | 21.04.2015 | 21.04.2015 | Electricity | Removal of iFix 201605 |
| iSupplyEnergy | 21.04.2015 | 21.04.2015 | Electricity | Removal of iFix 201605 Direct |
| iSupplyEnergy | 21.04.2015 | 21.04.2015 | Electricity | Launch of iFix 201606 |
| iSupplyEnergy | 21.04.2015 | 21.04.2015 | Electricity | Launch of iFix 201606 Direct |
| Extra Energy | 20.04.2015 | 20.04.2015 | All | Launch of Variable Price v1 - Launched prepayment version |
| LoCO2 Energy | 20.04.2015 | 20.04.2015 | All | Removal of Pocket Fixed 11 |
| LoCO2 Energy | 20.04.2015 | 20.04.2015 | All | Launch of Pocket Fixed Spring |
| Fairerpower | 17.04.2015 | 17.04.2015 | Electricity and Dual Fuel | New version of Fairerpower Fixed |
| GB Energy Supply | 17.04.2015 | 17.04.2015 | Electricity and Dual Fuel | Launch of Premium Day/Night Energy Saver - This tariff is only available for Customers with Economy 7 meters. |
| GB Energy Supply | 17.04.2015 | 17.04.2015 | Electricity and Dual Fuel | Launch of Premium Day/Night Energy Saver Single Rate - This tariff is only available for Customers with Economy 7 meters. |
| GB Energy Supply | 17.04.2015 | 17.04.2015 | All | Price decrease of Premium Energy Saver |
| OVO Energy | 17.03.2015 | 16.04.2015 | Electricity and Dual Fuel | Price decrease of PAYG Energy - Gas price reduction - sent second set of amended prices |
| OVO Energy | 17.03.2015 | 16.04.2015 | Electricity and Dual Fuel | Price decrease of PAYG Energy (all online) - Gas price reduction - sent second set of amended prices |
| First Utility | 15.04.2015 | 15.04.2015 | Electricity and Dual Fuel | Launch of iSave Fixed May 2016 v2 |
| First Utility | 15.04.2015 | 15.04.2015 | Electricity and Dual Fuel | Removal of iSave Fixed May 2016 |
| Good Energy | 15.04.2015 | 15.04.2015 | All | |
| npower | 13.04.2015 | 13.04.2015 | All | Removal of Fixed Energy June 2016 |
| npower | 13.04.2015 | 13.04.2015 | All | Launch of Price Fix July 2016 |
| npower | 13.04.2015 | 13.04.2015 | All | Launch of Pre Pay Fix Feb 2017 |
| ScottishPower | 13.04.2015 | 13.04.2015 | Dual Fuel | Launch of Fixed Price Energy August 2018 |
| ScottishPower | 13.04.2015 | 13.04.2015 | Dual Fuel | Removal of Fixed Price Energy September 2017 |
| Extra Energy | 13.04.2015 | 13.04.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price April 2016 v1 |
| Extra Energy | 13.04.2015 | 13.04.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Sept 2016 v1 |
| GnERGY | 10.04.2015 | 10.04.2015 | Dual Fuel | Launch of GnERGY Fixed June 2016 v1 |
| EDF Energy | 09.04.2015 | 09.04.2015 | All | Removal of Blue+Price Promise July 2016 |
| EDF Energy | 09.04.2015 | 09.04.2015 | All | Launch of Blue+Price Promise June 2016 |
| OVO Energy | 07.04.2015 | 07.04.2015 | Electricity and Dual Fuel | New version of Smart PAYG Energy - Tariff name changed from PAYG Energy |
| OVO Energy | 07.04.2015 | 07.04.2015 | Electricity and Dual Fuel | New version of Smart PAYG Energy (all Online) - Tariff name changed from PAYG Energy (all Online) |
| Green Star Energy | 07.04.2015 | 07.04.2015 | All | Removal of Rate Saver 18 Month Fixed 1503 |
| Green Star Energy | 07.04.2015 | 07.04.2015 | All | Launch of Rate Saver 18 Month Fixed 1504 |
| Flow Energy | 07.04.2015 | 07.04.2015 | All | Launch of Connect |
| First Utility | 26.02.2015 | 01.04.2015 | Electricity and Dual Fuel | Price amendment of iSave Everyday |
| First Utility | 26.02.2015 | 01.04.2015 | Electricity and Dual Fuel | Price amendment of iSave Everyday Prepayment |
| Utilita | 02.03.2015 | 01.04.2015 | Electricity and Dual Fuel | Price decrease of Smart Energy - Gas price decrease |
| Utilita | 02.03.2015 | 01.04.2015 | All | Price decrease of Standard - Gas price decrease |
| Telecom Plus | 01.04.2015 | 01.04.2015 | All | Removal of Double Gold Fixed Price v2 |
| Telecom Plus | 01.04.2015 | 01.04.2015 | All | Launch of Double Gold Fixed Price v3 |
| LoCO2 Energy | 01.04.2015 | 01.04.2015 | Gas and Dual Fuel | Launch of Planet - Launch of Dual Fuel and Gas only version of this tariff |
| LoCO2 Energy | 01.04.2015 | 01.04.2015 | Gas and Dual Fuel | Launch of Pocket - Launch of Dual Fuel and Gas only version of this tariff |
| LoCO2 Energy | 01.04.2015 | 01.04.2015 | Gas and Dual Fuel | Launch of Pocket Fixed 11 - Launch of Dual Fuel and Gas only version of this tariff |
| LoCO2 Energy | 01.04.2015 | 01.04.2015 | Gas and Dual Fuel | Launch of Planet Fixed 4 - Launch of Dual Fuel and Gas only version of this tariff |
| British Gas | 31.03.2015 | 31.03.2015 | Dual Fuel | Removal of Price Protection March 2016 |
| Sainsbury's Energy | 31.03.2015 | 31.03.2015 | Dual Fuel | Removal of Fixed Price March 2016 |
| Sainsbury's Energy | 31.03.2015 | 31.03.2015 | Dual Fuel | Removal of Price Freeze March 2016 |
| Sainsbury's Energy | 31.03.2015 | 31.03.2015 | Dual Fuel | Removal of Fix and Reward April 2016 |
| British Gas | 31.03.2015 | 31.03.2015 | Dual Fuel | Launch of Fixed Price August 2016 |
| Sainsbury's Energy | 31.03.2015 | 31.03.2015 | Dual Fuel | Launch of SE Fixed Price April 2016 |
| Sainsbury's Energy | 31.03.2015 | 31.03.2015 | Dual Fuel | Launch of Price Freeze May 2016 |
| Sainsbury's Energy | 31.03.2015 | 31.03.2015 | Dual Fuel | Launch of Price Promise May 2016 |
| Extra Energy | 27.03.2015 | 27.03.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price April 2016 v1 |
| Extra Energy | 27.03.2015 | 27.03.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price March 2016 v3 |
| First Utility | 26.03.2015 | 26.03.2015 | Electricity and Dual Fuel | Launch of iSave Fixed May 2016 |
| First Utility | 26.03.2015 | 26.03.2015 | Electricity and Dual Fuel | Launch of iSave Fixed May 2017 |
| First Utility | 26.03.2015 | 26.03.2015 | Electricity and Dual Fuel | Removal of iSave Fixed April 2016 |
| First Utility | 26.03.2015 | 26.03.2015 | Electricity and Dual Fuel | Removal of iSave Fixed March 2017 (v47) |
| iSupplyEnergy | 19.03.2015 | 19.03.2015 | Electricity | Launch of iFix 201605 |
| iSupplyEnergy | 19.03.2015 | 19.03.2015 | Electricity | Launch of iFix 201605 Direct |
| iSupplyEnergy | 19.03.2015 | 19.03.2015 | Electricity | Removal of iFix 201603 |
| iSupplyEnergy | 19.03.2015 | 19.03.2015 | Electricity | Removal of iFix 201603 Direct |
| Green Star Energy | 18.03.2015 | 18.03.2015 | All | Launch of Rate Saver 18 Month Fixed 1503 |
| Green Star Energy | 18.03.2015 | 18.03.2015 | All | Removal of Rate Saver 12M Fixed 1502 |
| SSE | 16.03.2015 | 16.03.2015 | All | Launch of SSE 3 Year Fixed Price |
| SSE | 16.03.2015 | 16.03.2015 | All | Removal of Fixed Price Mar 17 |
| Fairerpower | 16.03.2015 | 16.03.2015 | Electricity and Dual Fuel | Launch of Fairerpower Fixed - Only available in areas 13, 14 and 16 and even within these areas it is restricted to certain postcodes |
| Fairerpower | 16.03.2015 | 16.03.2015 | Electricity and Dual Fuel | Launch of Fairerpower Variable - Only available in areas 13, 14 and 16 and even within these areas it is restricted to certain postcodes |
| EDF Energy | 12.03.2015 | 12.03.2015 | All | Launch of Blue+Fixed Price February 2017 |
| EDF Energy | 12.03.2015 | 12.03.2015 | All | Removal of Blue+Fixed Price January 2017 |
| Zog Energy | 10.03.2015 | 10.03.2015 | Gas | New version of Mercury 12 |
| Flow Energy | 09.03.2015 | 09.03.2015 | All | Launch of Thames Tariff |
| ScottishPower | 05.03.2015 | 05.03.2015 | All | Launch of Online Fixed Price Energy April 2016 |
| EDF Energy | 05.03.2015 | 05.03.2015 | Electricity and Dual Fuel | Launch of Blue+Price Promise July 2016 |
| EDF Energy | 05.03.2015 | 05.03.2015 | Electricity and Dual Fuel | Removal of Blue+Price Promise May 2016 |
| npower | 05.03.2015 | 05.03.2015 | All | Launch of Fixed Energy June 2016 |
| npower | 05.03.2015 | 05.03.2015 | All | Removal of Price Fix May 2016 |
| First Utility | 05.03.2015 | 05.03.2015 | Electricity and Dual Fuel | Launch of iSave Fixed April 2016 |
| First Utility | 05.03.2015 | 05.03.2015 | Electricity and Dual Fuel | Removal of iSave Fixed March 2016 (v44) |
| OVO Energy | 03.03.2015 | 03.03.2015 | Electricity and Dual Fuel | New version of Better Energy |
| OVO Energy | 03.03.2015 | 03.03.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| OVO Energy | 03.03.2015 | 03.03.2015 | Electricity and Dual Fuel | New version of Better Energy (all online) |
| OVO Energy | 03.03.2015 | 03.03.2015 | Electricity and Dual Fuel | New version of Greener Energy (all online) |
| Woodland Trust Energy | 03.03.2015 | 03.03.2015 | Electricity and Dual Fuel | New version of Better Energy |
| Woodland Trust Energy | 03.03.2015 | 03.03.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| Green Star Energy | 03.03.2015 | 03.03.2015 | Electricity and Dual Fuel | Launch of Green Saver 12 Month Fixed 1502 |
| Green Star Energy | 03.03.2015 | 03.03.2015 | Electricity and Dual Fuel | Removal of Green Saver 12M Fixed 1501 |
| Extra Energy | 03.03.2015 | 03.03.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price March 2016 v3 |
| Extra Energy | 03.03.2015 | 03.03.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Feb 2016 v2 |
| ScottishPower | 03.03.2015 | 03.03.2015 | All | Removal of Online Fixed Price Energy March 2016 |
| Flow Energy | 02.03.2015 | 02.03.2015 | All | Launch of Together |
| Spark Energy | 01.03.2015 | 01.03.2015 | All | Price decrease of Direct Debit Saver |
| Spark Energy | 01.03.2015 | 01.03.2015 | All | Price decrease of Monthly Premium - Electric price decrease |
| Spark Energy | 01.03.2015 | 01.03.2015 | All | Price decrease of PAYG Saver |
| OVO Energy | 01.03.2015 | 01.03.2015 | Electricity and Dual Fuel | Price decrease of Simpler Energy - Gas price decrease |
| OVO Energy | 01.03.2015 | 01.03.2015 | Electricity and Dual Fuel | Price decrease of Simpler Energy (Online) - Gas price decrease |
| Woodland Trust Energy | 01.03.2015 | 01.03.2015 | Electricity and Dual Fuel | Price decrease of Simpler Energy - Gas price decrease |
| Woodland Trust Energy | 01.03.2015 | 01.03.2015 | Electricity and Dual Fuel | Price decrease of Simpler Energy (Online) - Gas price decrease |
| Daligas | 01.03.2015 | 01.03.2015 | Gas | Launch of Daligas One (FIX 12) |
| Daligas | 01.03.2015 | 01.03.2015 | Gas | Removal of Daligas One (1 year Fixed Price) |
| Telecom Plus | 02.03.2015 | 01.03.2015 | All | Price amendment of Value |
| Telecom Plus | 02.03.2015 | 01.03.2015 | All | Price amendment of Gold |
| Telecom Plus | 02.03.2015 | 01.03.2015 | All | Price amendment of Double Gold |
| British Gas | 27.02.2015 | 27.02.2015 | Dual Fuel | Launch of Price Protection March 2016 |
| British Gas | 27.02.2015 | 27.02.2015 | Dual Fuel | Launch of Fix and Reward June 2016 |
| Sainsbury's Energy | 27.02.2015 | 27.02.2015 | Dual Fuel | Launch of Fixed Price March 2016 |
| Sainsbury's Energy | 27.02.2015 | 27.02.2015 | Dual Fuel | Launch of Price Freeze March 2016 |
| British Gas | 27.02.2015 | 27.02.2015 | Dual Fuel | Removal of Price Promise February 2016 |
| British Gas | 27.02.2015 | 27.02.2015 | Dual Fuel | Removal of Fix and Reward February 2016 |
| Sainsbury's Energy | 27.02.2015 | 27.02.2015 | Dual Fuel | Removal of Fixed Price February 2016 |
| Sainsbury's Energy | 27.02.2015 | 27.02.2015 | Dual Fuel | Removal of Price Freeze February 2016 |
| Sainsbury's Energy | 27.02.2015 | 27.02.2015 | All | Price decrease of Standard - Gas price reduction |
| British Gas | 27.02.2015 | 27.02.2015 | All | Price decrease of Standard - Gas price reduction |
| British Gas | 27.02.2015 | 27.02.2015 | All | Price decrease of Fix and Fall February 2015 - Gas price reduction |
| British Gas | 27.02.2015 | 27.02.2015 | All | Price decrease of Fix and Fall June 2016 - Gas price reduction |
| British Gas | 27.02.2015 | 27.02.2015 | All | Price decrease of Fix and Fall March 2016 - Gas price reduction |
| British Gas | 27.02.2015 | 27.02.2015 | Dual Fuel | Price decrease of Fix and Fall March 2016 Extra - Gas price reduction |
| British Gas | 27.02.2015 | 27.02.2015 | Dual Fuel | Price decrease of Fix and Fall March 2016 Plus |
| First Utility | 26.02.2015 | 26.02.2015 | Electricity and Dual Fuel | Launch of iSave Fixed March 2017 (v47) |
| First Utility | 26.02.2015 | 26.02.2015 | Electricity and Dual Fuel | Removal of iSave Fixed March 2016 (v45) |
| E.ON | 25.02.2015 | 25.02.2015 | Electricity and Dual Fuel | Removal of Age UK Fixed 2 Year v4 |
| E.ON | 25.02.2015 | 25.02.2015 | Electricity and Dual Fuel | Launch of Age UK Fixed 2 Year v5 |
| Green Star Energy | 24.02.2015 | 24.02.2015 | All | Removal of Rate Saver 12M Fixed 1501 |
| Green Star Energy | 24.02.2015 | 24.02.2015 | All | Launch of Rate Saver 12M Fixed 1502 |
| ScottishPower | 03.02.2015 | 20.02.2015 | All | Price decrease of Standard |
| ScottishPower | 03.02.2015 | 20.02.2015 | All | Price decrease of Online Energy - Standard |
| ScottishPower | 20.02.2015 | 20.02.2015 | Dual Fuel | Price decrease of Simply Green Energy June 2015 - Gas price decrease |
| ScottishPower | 20.02.2015 | 20.02.2015 | Dual Fuel | Price decrease of Help Beat Cancer Discounted Energy August 2015 - Gas price decrease |
| ScottishPower | 20.02.2015 | 20.02.2015 | Electricity and Dual Fuel | Price decrease of Online Energy Saver 7 - Gas price decrease |
| ScottishPower | 20.02.2015 | 20.02.2015 | Electricity and Dual Fuel | Price decrease of Online Energy Saver 8 - Gas price decrease |
| ScottishPower | 20.02.2015 | 20.02.2015 | Electricity and Dual Fuel | Price decrease of Online Energy Saver 11 - Gas price decrease |
| ScottishPower | 20.02.2015 | 20.02.2015 | Electricity and Dual Fuel | Price decrease of Online Energy Saver 10 - Gas price decrease |
| M&S Energy | 19.02.2015 | 19.02.2015 | Electricity and Dual Fuel | Removal of M&S Energy Fix & More May 16 |
| M&S Energy | 19.02.2015 | 19.02.2015 | Electricity and Dual Fuel | Launch of M&S Energy Fix & More Jul 16 |
| SSE | 19.02.2015 | 19.02.2015 | All | Removal of Fix & Shop Nov 16 |
| SSE | 19.02.2015 | 19.02.2015 | All | Launch of Fix & Shop Feb 17 |
| npower | 02.02.2015 | 16.02.2015 | All | Price decrease of Standard |
| npower | 16.02.2015 | 16.02.2015 | All | Launch of Feel Good Fix May 2017 |
| npower | 16.02.2015 | 16.02.2015 | All | Removal of Price Fix April 2017 |
| ScottishPower | 16.02.2015 | 16.02.2015 | All | Launch of Online Fixed Price Energy March 2016 |
| ScottishPower | 16.02.2015 | 16.02.2015 | All | Removal of Online Fixed Price Energy February 2016 |
| Extra Energy | 13.02.2015 | 13.02.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Feb 2016 v1 |
| Extra Energy | 13.02.2015 | 13.02.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Jan 2016 v9 |
| Extra Energy | 13.02.2015 | 13.02.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price March 2016 v5 |
| Extra Energy | 13.02.2015 | 13.02.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Feb 2016 v2 |
| Green Star Energy | 12.02.2015 | 12.02.2015 | All | Price decrease of Rate Saver Variable |
| EDF Energy | 11.02.2015 | 11.02.2015 | All | Launch of Blue+Fixed Prepay March 2017 |
| EDF Energy | 11.02.2015 | 11.02.2015 | All | Price decrease of Standard (Variable) |
| E.ON | 11.02.2015 | 11.02.2015 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v16 |
| E.ON | 11.02.2015 | 11.02.2015 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v15 |
| iSupplyEnergy | 06.02.2015 | 06.02.2015 | Electricity | Launch of iFix 201603 |
| iSupplyEnergy | 06.02.2015 | 06.02.2015 | Electricity | Launch of iFix 201603 Direct |
| iSupplyEnergy | 06.02.2015 | 06.02.2015 | Electricity | Removal of iFix 201602 v2 |
| iSupplyEnergy | 06.02.2015 | 06.02.2015 | Electricity | Removal of iFix 201602 Direct v2 |
| Co-operative Energy | 05.02.2015 | 05.02.2015 | Dual Fuel | Launch of Fair & Square May 2016 |
| Co-operative Energy | 05.02.2015 | 05.02.2015 | Dual Fuel | Removal of Fair & Square March 2016 v2 |
| ScottishPower | 03.02.2015 | 03.02.2015 | All | Launch of Help Beat Cancer Fixed Price Energy May 2017 |
| ScottishPower | 03.02.2015 | 03.02.2015 | All | Removal of Help Beat Cancer Fixed Price Energy September 2016 |
| npower | 02.02.2015 | 02.02.2015 | All | Launch of Price Fix May 2016 |
| npower | 02.02.2015 | 02.02.2015 | All | Removal of Fixed Energy Online April 2016 |
| Zog Energy | 02.02.2015 | 02.02.2015 | Gas | New version of Mercury 12 |
| Spark Energy | 01.02.2015 | 01.02.2015 | All | Launch of Pay As You Go Saver Fixed June 2016 |
| British Gas | 30.01.2015 | 30.01.2015 | All | Removal of Fixed Price December 2017 |
| Sainsbury's Energy | 30.01.2015 | 30.01.2015 | Dual Fuel | Removal of Fixed Price January 2016 |
| Sainsbury's Energy | 30.01.2015 | 30.01.2015 | Dual Fuel | Removal of Price Freeze January 2016 |
| British Gas | 30.01.2015 | 30.01.2015 | Dual Fuel | Launch of Price Promise February 2016 |
| Sainsbury's Energy | 30.01.2015 | 30.01.2015 | Dual Fuel | Launch of Fixed Price February 2016 |
| Sainsbury's Energy | 30.01.2015 | 30.01.2015 | Dual Fuel | Launch of Price Freeze February 2016 |
| Extra Energy | 30.01.2015 | 30.01.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Feb 2016 v1 |
| Extra Energy | 30.01.2015 | 30.01.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Jan 2016 v10 |
| OVO Energy | 29.01.2015 | 29.01.2015 | All | Removal of Simpler Energy (Online) - PAYG |
| OVO Energy | 29.01.2015 | 29.01.2015 | All | Removal of Simpler Energy - PAYG |
| OVO Energy | 29.01.2015 | 29.01.2015 | All | Removal of PAYG Fixed Energy |
| OVO Energy | 29.01.2015 | 29.01.2015 | All | Removal of PAYG Fixed Energy (Online) |
| OVO Energy | 29.01.2015 | 29.01.2015 | All | Launch of PAYG Energy |
| OVO Energy | 29.01.2015 | 29.01.2015 | All | Launch of PAYG Energy (Online) |
| EDF Energy | 28.01.2015 | 28.01.2015 | All | Removal of Blue+Fixed Prepay October 2016 |
| E.ON | 27.01.2015 | 27.01.2015 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v14 |
| E.ON | 27.01.2015 | 27.01.2015 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v15 |
| First Utility | 27.01.2015 | 27.01.2015 | Electricity and Dual Fuel | Launch of iSave Fixed March 2016 (v45) |
| Extra Energy | 27.01.2015 | 27.01.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price March 2016 v4 |
| Extra Energy | 27.01.2015 | 27.01.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Jan 2016 v9 |
| Extra Energy | 27.01.2015 | 27.01.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price March 2016 v5 |
| Extra Energy | 27.01.2015 | 27.01.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Jan 2016 v10 |
| Extra Energy | 27.01.2015 | 27.01.2015 | Electricity and Dual Fuel | Re-pricing of Fresh Fixed Price Jan 2016 v10 - Initial prices launched by Extra Energy were incorrect, tariff to be relaunched |
| Zog Energy | 23.01.2015 | 23.01.2015 | Gas | New version of Mercury 12 |
| Zog Energy | 23.01.2015 | 23.01.2015 | Gas | New version of Mercury 24 |
| Zog Energy | 23.01.2015 | 23.01.2015 | Gas | Launch of Juniper |
| Extra Energy | 22.01.2015 | 22.01.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Jan 2016 v8 |
| Extra Energy | 22.01.2015 | 22.01.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Jan 2016 v8 |
| Extra Energy | 22.01.2015 | 22.01.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Jan 2016 v9 |
| Extra Energy | 22.01.2015 | 22.01.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Jan 2016 v9 |
| Co-operative Energy | 20.01.2015 | 20.01.2015 | Electricity and Dual Fuel | Launch of Fixed April 2016 v2 |
| Co-operative Energy | 20.01.2015 | 20.01.2015 | Electricity and Dual Fuel | Removal of Fixed April 2016 |
| ScottishPower | 20.01.2015 | 20.01.2015 | All | Launch of Online Fixed Price Energy February 2016 |
| ScottishPower | 20.01.2015 | 20.01.2015 | All | Removal of Online Fixed Price Energy January 2016 |
| Green Star Energy | 19.01.2015 | 19.01.2015 | All | Launch of Rate Saver 12M Fixed 1501 |
| Green Star Energy | 19.01.2015 | 19.01.2015 | All | Launch of Rate Saver 24M Fixed 1501 |
| Green Star Energy | 19.01.2015 | 19.01.2015 | Electricity and Dual Fuel | Launch of Green Saver 12M Fixed 1501 |
| Green Star Energy | 19.01.2015 | 19.01.2015 | All | Removal of Rate Saver 12 Month Fixed 1412 |
| Green Star Energy | 19.01.2015 | 19.01.2015 | All | Removal of Rate Saver 24M Fixed 1412 |
| Green Star Energy | 19.01.2015 | 19.01.2015 | Electricity and Dual Fuel | Removal of Green Saver Fixed 12M 1412 |
| GB Energy Supply | 19.01.2015 | 19.01.2015 | Dual Fuel | Launch of Premium Energy Saver - Dual |
| GB Energy Supply | 19.01.2015 | 19.01.2015 | Electricity | Launch of Premium Energy Saver - Electricity |
| GB Energy Supply | 19.01.2015 | 19.01.2015 | Gas | Launch of Premium Energy Saver - Gas |
| LoCO2 Energy | 19.01.2015 | 19.01.2015 | Electricity | Launch of Pocket Fixed 11 |
| LoCO2 Energy | 19.01.2015 | 19.01.2015 | Electricity | Launch of Planet Fixed 4 |
| LoCO2 Energy | 19.01.2015 | 19.01.2015 | Electricity | Removal of Pocket Fixed 10 |
| LoCO2 Energy | 19.01.2015 | 19.01.2015 | Electricity | Removal of Pocket Fixed March 2017 |
| Extra Energy | 16.01.2015 | 16.01.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price March 2016 v3 |
| Extra Energy | 16.01.2015 | 16.01.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Jan 2016 v7 |
| Extra Energy | 16.01.2015 | 16.01.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Jan 2016 v7 |
| Extra Energy | 16.01.2015 | 16.01.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price March 2016 v4 |
| Extra Energy | 16.01.2015 | 16.01.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Jan 2016 v8 |
| Extra Energy | 16.01.2015 | 16.01.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Jan 2016 v8 |
| Co-operative Energy | 16.01.2015 | 16.01.2015 | Dual Fuel | Launch of Fair & Square March 2016 v2 |
| Co-operative Energy | 15.01.2015 | 15.01.2015 | Dual Fuel | Removal of Fair & Square March 2016 |
| OVO Energy | 15.01.2015 | 15.01.2015 | Electricity and Dual Fuel | New version of Better Energy Fixed |
| OVO Energy | 15.01.2015 | 15.01.2015 | Electricity and Dual Fuel | New version of Greener Energy Fixed |
| OVO Energy | 15.01.2015 | 15.01.2015 | Electricity and Dual Fuel | New version of Better Energy Fixed (Online) |
| OVO Energy | 15.01.2015 | 15.01.2015 | Electricity and Dual Fuel | New version of Greener Energy Fixed (Online) |
| Woodland Trust Energy | 15.01.2015 | 15.01.2015 | Electricity and Dual Fuel | New version of Better Energy |
| Woodland Trust Energy | 15.01.2015 | 15.01.2015 | Electricity and Dual Fuel | New version of Greener Energy |
| iSupplyEnergy | 14.01.2015 | 14.01.2015 | Electricity | Launch of iFix 201602 v2 |
| iSupplyEnergy | 14.01.2015 | 14.01.2015 | Electricity | Launch of iFix 201602 Direct v2 |
| iSupplyEnergy | 14.01.2015 | 14.01.2015 | Electricity | Removal of iFix 201602 |
| iSupplyEnergy | 14.01.2015 | 14.01.2015 | Electricity | Removal of iFix 201602 Direct |
| First Utility | 14.01.2015 | 14.01.2015 | Electricity and Dual Fuel | Launch of iSave Fixed March 2016 (v44) |
| First Utility | 14.01.2015 | 14.01.2015 | Electricity and Dual Fuel | Launch of iSave Fixed March 2018 (v43) |
| First Utility | 14.01.2015 | 14.01.2015 | Electricity and Dual Fuel | Removal of iSave Fixed March 2016 (v42) |
| First Utility | 14.01.2015 | 14.01.2015 | Electricity and Dual Fuel | Removal of iSave Fixed January 2017 (v39) |
| First Utility | 14.01.2015 | 14.01.2015 | Electricity and Dual Fuel | Removal of iControl Fixed January 2018 (v38) |
| E.ON | 13.01.2015 | 13.01.2015 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v14 |
| E.ON | 13.01.2015 | 13.01.2015 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v13 |
| E.ON | 13.01.2015 | 13.01.2015 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 2 Year v6 |
| E.ON | 13.01.2015 | 13.01.2015 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 2 Year v5 |
| E.ON | 13.01.2015 | 13.01.2015 | Electricity and Dual Fuel | Launch of Age UK Fixed 2 Year v4 |
| E.ON | 13.01.2015 | 13.01.2015 | Electricity and Dual Fuel | Removal of Age UK Fixed 2 Year v3 |
| E.ON | 13.01.2015 | 13.01.2015 | All | Price decrease of E.ON Energy Plan |
| Extra Energy | 13.01.2015 | 13.01.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Jan 2016 v7 |
| Extra Energy | 13.01.2015 | 13.01.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Jan 2016 v6 |
| npower | 12.01.2015 | 12.01.2015 | All | Launch of Price Fix April 2017 |
| npower | 12.01.2015 | 12.01.2015 | Dual Fuel | Launch of In Control March 2017 |
| npower | 12.01.2015 | 12.01.2015 | All | Removal of Price Fix February 2017 |
| npower | 12.01.2015 | 12.01.2015 | Dual Fuel | Removal of Intelligent Control October 2016 |
| Zog Energy | 12.01.2015 | 12.01.2015 | Gas | New version of Mercury 12 |
| Zog Energy | 12.01.2015 | 12.01.2015 | Gas | New version of Mercury 24 |
| M&S Energy | 08.01.2015 | 08.01.2015 | Electricity and Dual Fuel | Launch of M&S Energy Fix & More May 16 |
| M&S Energy | 08.01.2015 | 08.01.2015 | Electricity and Dual Fuel | Removal of M&S Energy Fix & More Jan 16 |
| Extra Energy | 08.01.2015 | 08.01.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price March 2016 v2 |
| Extra Energy | 08.01.2015 | 08.01.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price Jan 2016 v6 |
| Extra Energy | 08.01.2015 | 08.01.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price March 2016 v3 |
| Extra Energy | 08.01.2015 | 08.01.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Jan 2016 v7 |
| First Utility | 07.01.2015 | 07.01.2015 | Electricity and Dual Fuel | Removal of iSave Fixed March 2016 (v41) |
| First Utility | 07.01.2015 | 07.01.2015 | Electricity and Dual Fuel | Launch of iSave Fixed March 2016 (v42) |
| Extra Energy | 07.01.2015 | 07.01.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Jan 2016 v5 |
| Extra Energy | 07.01.2015 | 07.01.2015 | Electricity and Dual Fuel | Removal of Clear Fixed Price March 2016 v1 |
| Extra Energy | 07.01.2015 | 07.01.2015 | Electricity and Dual Fuel | Removal of Bright Fixed Price March 2016 v1 |
| Extra Energy | 07.01.2015 | 07.01.2015 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Jan 2016 v6 |
| Extra Energy | 07.01.2015 | 07.01.2015 | Electricity and Dual Fuel | Launch of Clear Fixed Price March 2016 v2 |
| Extra Energy | 07.01.2015 | 07.01.2015 | Electricity and Dual Fuel | Launch of Bright Fixed Price Jan 2016 v6 |
| Zog Energy | 06.01.2015 | 06.01.2015 | Gas | New version of Mercury 12 |
| Zog Energy | 06.01.2015 | 06.01.2015 | Gas | New version of Mercury 24 |
| Utilita | 22.12.2014 | 01.01.2015 | Electricity and Dual Fuel | Price amendment of Smart Energy |
| Utilita | 22.12.2014 | 01.01.2015 | All | Price amendment of Standard |
| Extra Energy | 30.12.2014 | 30.12.2014 | Electricity and Dual Fuel | Removal of Merry Christmas Fixed Price Jan 2016 v3 |
| Extra Energy | 30.12.2014 | 30.12.2014 | Electricity and Dual Fuel | Removal of Fresh Fixed Price March 2016 v2 |
| Extra Energy | 30.12.2014 | 30.12.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Jan 2016 v5 |
| Extra Energy | 30.12.2014 | 30.12.2014 | Electricity and Dual Fuel | Launch of Clear Fixed Price March 2016 v1 |
| Co-operative Energy | 29.12.2014 | 29.12.2014 | Dual Fuel | Removal of Fair & Square February 2016 |
| Co-operative Energy | 29.12.2014 | 29.12.2014 | Dual Fuel | Launch of Fair & Square March 2016 |
| Extra Energy | 23.12.2014 | 23.12.2014 | Electricity and Dual Fuel | Removal of Merry Christmas Fixed Price Jan 2016 v2 |
| Extra Energy | 23.12.2014 | 23.12.2014 | Electricity and Dual Fuel | Launch of Merry Christmas Fixed Price Jan 2016 v3 |
| GnERGY | 23.12.2014 | 23.12.2014 | Dual Fuel | Removal of GnERGY Fixed |
| GnERGY | 23.12.2014 | 23.12.2014 | Dual Fuel | Launch of GnERGY Online |
| GnERGY | 23.12.2014 | 23.12.2014 | All | Price amendment of GnERGY Standard Variable |
| GnERGY | 23.12.2014 | 23.12.2014 | All | Price amendment of GnERGY Super Saver |
| Better Energy | 23.12.2014 | 23.12.2014 | Gas | Removal of Online Saver 4 |
| Better Energy | 23.12.2014 | 23.12.2014 | Gas | Removal of Postal Saver 4 |
| Better Energy | 23.12.2014 | 23.12.2014 | Gas | Launch of Online Saver 5 |
| Better Energy | 23.12.2014 | 23.12.2014 | Gas | Launch of Postal Saver 5 |
| Zog Energy | 22.12.2014 | 22.12.2014 | Gas | New version of Mercury 12 |
| Zog Energy | 22.12.2014 | 22.12.2014 | Gas | New version of Mercury 24 |
| iSupplyEnergy | 19.12.2014 | 19.12.2014 | Electricity | Removal of iFix 201601 |
| iSupplyEnergy | 19.12.2014 | 19.12.2014 | Electricity | Removal of iFix 201601 Direct |
| iSupplyEnergy | 19.12.2014 | 19.12.2014 | Electricity | Launch of iFix 201602 |
| iSupplyEnergy | 19.12.2014 | 19.12.2014 | Electricity | Launch of iFix 201602 Direct |
| Spark Energy | 19.12.2014 | 19.12.2014 | All | Removal of Pay As You Go Saver Fixed January 2015 |
| EDF Energy | 18.12.2014 | 18.12.2014 | All | Launch of Blue+Price Promise May 2016 |
| EDF Energy | 18.12.2014 | 18.12.2014 | All | Launch of Blue+Fixed Price January 2017 |
| EDF Energy | 18.12.2014 | 18.12.2014 | All | Removal of Blue+Price Freeeeze February 2018 |
| EDF Energy | 18.12.2014 | 18.12.2014 | All | Removal of Blue+Price Promise April 2016 |
| Co-operative Energy | 16.12.2014 | 16.12.2014 | Dual Fuel | Removal of Fair & Square January 2016 |
| Co-operative Energy | 16.12.2014 | 16.12.2014 | Dual Fuel | Launch of Fair & Square February 2016 |
| Extra Energy | 16.12.2014 | 16.12.2014 | Electricity and Dual Fuel | Launch of Merry Christmas Fixed Price Jan 2016 v2 |
| Extra Energy | 16.12.2014 | 16.12.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price March 2016 v2 |
| Extra Energy | 16.12.2014 | 16.12.2014 | Electricity and Dual Fuel | Launch of Bright Fixed Price March 2016 v1 |
| Extra Energy | 16.12.2014 | 16.12.2014 | Electricity and Dual Fuel | Removal of Merry Christmas Fixed Price Jan 2016 v1 |
| Extra Energy | 16.12.2014 | 16.12.2014 | Electricity and Dual Fuel | Removal of Fresh Fixed Price March 2016 v1 |
| Extra Energy | 16.12.2014 | 16.12.2014 | Electricity and Dual Fuel | Removal of Secure Long Term Fixed Price Sept 2016 v1 |
| Green Star Energy | 12.12.2014 | 12.12.2014 | Electricity and Dual Fuel | Launch of Green Saver Fixed 12M 1412 |
| Green Star Energy | 12.12.2014 | 12.12.2014 | All | Launch of Rate Saver 12 Month Fixed 1412 |
| Green Star Energy | 12.12.2014 | 12.12.2014 | Electricity and Dual Fuel | Removal of Green Saver Fixed 12M 1411 |
| Green Star Energy | 12.12.2014 | 12.12.2014 | All | Removal of Rate Saver 12 Month Fixed 1410 |
| Extra Energy | 12.12.2014 | 12.12.2014 | Electricity and Dual Fuel | Launch of Merry Christmas Fixed Price Jan 2016 v1 |
| Extra Energy | 12.12.2014 | 12.12.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price March 2016 v1 |
| Extra Energy | 12.12.2014 | 12.12.2014 | Electricity and Dual Fuel | Removal of Bright Fixed Price Jan 2016 v1 |
| Better Energy | 12.12.2014 | 12.12.2014 | Gas | Launch of Online Saver 4 |
| Better Energy | 12.12.2014 | 12.12.2014 | Gas | Launch of Postal Saver 4 |
| Better Energy | 12.12.2014 | 12.12.2014 | Gas | Removal of Online Saver 3 |
| First Utility | 11.12.2014 | 11.12.2014 | Electricity and Dual Fuel | Launch of iSave Fixed March 2016 (v41) |
| First Utility | 11.12.2014 | 11.12.2014 | Electricity and Dual Fuel | Removal of iSave Fixed March 2016 (v37) |
| Green Star Energy | 05.12.2014 | 05.12.2014 | All | Removal of Rate Saver 24M Fixed 1410 |
| Green Star Energy | 05.12.2014 | 05.12.2014 | All | Launch of Rate Saver 24M Fixed 1412 |
| Extra Energy | 05.12.2014 | 05.12.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Jan 2016 v1 |
| Extra Energy | 05.12.2014 | 05.12.2014 | Electricity and Dual Fuel | Launch of Bright Fixed Price Jan 2016 v1 |
| Extra Energy | 05.12.2014 | 05.12.2014 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2015 v3 |
| Extra Energy | 05.12.2014 | 05.12.2014 | Dual Fuel | Removal of Bright Fixed Price Dec 2015 v1 |
| First Utility | 03.12.2014 | 03.12.2014 | Electricity and Dual Fuel | Launch of iSave Fixed January 2017 (v39) |
| First Utility | 03.12.2014 | 03.12.2014 | Electricity and Dual Fuel | Removal of iSave Fixed October 2016 |
| British Gas | 01.12.2014 | 01.12.2014 | All | Launch of Fix and Fall June 2016 |
| British Gas | 01.12.2014 | 01.12.2014 | Dual Fuel | Launch of Fix and Reward February 2016 |
| British Gas | 01.12.2014 | 01.12.2014 | All | Launch of Fixed Price December 2017 |
| npower | 01.12.2014 | 01.12.2014 | All | Launch of Fixed Energy Online April 2016 |
| Sainsbury's Energy | 01.12.2014 | 01.12.2014 | Dual Fuel | Launch of Fixed Price January 2016 |
| Sainsbury's Energy | 01.12.2014 | 01.12.2014 | Dual Fuel | Launch of Price Freeze January 2016 |
| British Gas | 01.12.2014 | 01.12.2014 | All | Removal of Fixed Price January 2017 |
| British Gas | 01.12.2014 | 01.12.2014 | Dual Fuel | Removal of Fix and Reward March 2016 |
| British Gas | 01.12.2014 | 01.12.2014 | All | Removal of Fix and Fall March 2016 |
| npower | 01.12.2014 | 01.12.2014 | All | Removal of Online Price Fix January 2016 |
| Sainsbury's Energy | 01.12.2014 | 01.12.2014 | Dual Fuel | Removal of Fixed Price November 2015 |
| Sainsbury's Energy | 01.12.2014 | 01.12.2014 | Dual Fuel | Removal of Fixed Price December 2015 |
| Green Star Energy | 28.11.2014 | 28.11.2014 | All | Removal of Rate Saver 36M Fixed 1410 |
| Green Star Energy | 28.11.2014 | 28.11.2014 | Electricity and Dual Fuel | Launch of Green Saver Fixed 12M 1411 |
| E.ON | 28.11.2014 | 28.11.2014 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v13 |
| E.ON | 28.11.2014 | 28.11.2014 | Electricity and Dual Fuel | Launch of Age UK Fixed 2 Year v3 |
| E.ON | 28.11.2014 | 28.11.2014 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v12 |
| E.ON | 28.11.2014 | 28.11.2014 | Electricity and Dual Fuel | Removal of Age UK Fixed 2 Year v2 |
| Co-operative Energy | 27.11.2014 | 27.11.2014 | Dual Fuel | Removal of Fair & Square December 2015 |
| Co-operative Energy | 27.11.2014 | 27.11.2014 | Dual Fuel | Launch of Fair & Square January 2016 |
| iSupplyEnergy | 27.11.2014 | 27.11.2014 | Electricity | Launch of iFix 201601 Direct |
| Extra Energy | 21.11.2014 | 21.11.2014 | Dual Fuel | Removal of Fresh Fixed Price Dec 2015 v2 |
| iSupplyEnergy | 21.11.2014 | 21.11.2014 | Electricity | Launch of iFix 201601 |
| iSupplyEnergy | 21.11.2014 | 21.11.2014 | Electricity | Removal of iFix 201511 |
| SSE | 20.11.2014 | 20.11.2014 | Electricity and Dual Fuel | Removal of SSE Direct |
| SSE | 20.11.2014 | 20.11.2014 | All | Launch of Fix & Shop Nov 16 |
| Co-operative Energy | 14.11.2014 | 14.11.2014 | Electricity | Removal of Fixed April 2016 - Removal from sale for electricity only. Still availabe to DF |
| Extra Energy | 14.11.2014 | 14.11.2014 | Dual Fuel | Launch of Fresh Fixed Price Dec 2015 v2 |
| Extra Energy | 14.11.2014 | 14.11.2014 | Dual Fuel | Launch of Bright Fixed Price Dec 2015 v1 |
| Extra Energy | 14.11.2014 | 14.11.2014 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2015 v1 |
| Extra Energy | 14.11.2014 | 14.11.2014 | Electricity and Dual Fuel | Removal of Bright Fixed Price Nov 2015 v1 |
| ScottishPower | 13.11.2014 | 13.11.2014 | All | Launch of Online Fixed Price Energy January 2016 |
| ScottishPower | 13.11.2014 | 13.11.2014 | All | Removal of Online Fixed Price Energy December 2015 |
| npower | 10.11.2014 | 10.11.2014 | All | Removal of Online Price Fix November 2015 |
| npower | 10.11.2014 | 10.11.2014 | All | Launch of Online Price Fix January 2016 |
| Co-operative Energy | 07.11.2014 | 07.11.2014 | Electricity and Dual Fuel | Launch of Fixed April 2016 |
| EDF Energy | 06.11.2014 | 06.11.2014 | All | Removal of Blue +Price Freeeeze May 2018 |
| EDF Energy | 06.11.2014 | 06.11.2014 | All | Removal of Blue+Price Promise March 2016 |
| EDF Energy | 06.11.2014 | 06.11.2014 | All | Launch of Blue+Price Freeeeze February 2018 |
| EDF Energy | 06.11.2014 | 06.11.2014 | All | Launch of Blue+Price Promise April 2016 |
| OVO Energy | 06.11.2014 | 06.11.2014 | All | New version of Better Energy Fixed |
| OVO Energy | 06.11.2014 | 06.11.2014 | All | New version of Better Energy Fixed (Online) |
| OVO Energy | 06.11.2014 | 06.11.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed |
| OVO Energy | 06.11.2014 | 06.11.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed (Online) |
| Woodland Trust Energy | 06.11.2014 | 06.11.2014 | All | New version of Better Energy |
| Woodland Trust Energy | 06.11.2014 | 06.11.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed (Online) |
| First Utility | 05.11.2014 | 05.11.2014 | Electricity and Dual Fuel | Removal of iSave Fixed January 2018 (v34) |
| First Utility | 05.11.2014 | 05.11.2014 | Electricity and Dual Fuel | Removal of iSave Fixed November 2015 (v35) |
| First Utility | 05.11.2014 | 05.11.2014 | Electricity and Dual Fuel | Launch of iSave Fixed March 2016 (v37) |
| First Utility | 05.11.2014 | 05.11.2014 | Electricity and Dual Fuel | Launch of iControl Fixed January 2018 (v38) |
| Sainsbury's Energy | 31.10.2014 | 31.10.2014 | Dual Fuel | Launch of Fix and Reward April 2016 |
| Sainsbury's Energy | 31.10.2014 | 31.10.2014 | Dual Fuel | Launch of Fixed Price November 2015 |
| Sainsbury's Energy | 31.10.2014 | 31.10.2014 | Dual Fuel | Removal of Fixed Price October 2015 |
| Sainsbury's Energy | 31.10.2014 | 31.10.2014 | Dual Fuel | Removal of Fix and Reward March 2016 |
| Telecom Plus | 31.10.2014 | 31.10.2014 | All | Removal of Double Gold Fixed Price v1 |
| Telecom Plus | 31.10.2014 | 31.10.2014 | All | Launch of Double Gold Fixed Price v2 |
| Co-operative Energy | 30.10.2014 | 30.10.2014 | Dual Fuel | Price amendment of Fair & Square December 2015 - Price reduction for regions 10,11,14,16 and 20 |
| Co-operative Energy | 29.10.2014 | 29.10.2014 | Electricity and Dual Fuel | Removal of Fixed to March 2017 |
| Co-operative Energy | 29.10.2014 | 29.10.2014 | Electricity and Dual Fuel | Removal of Fixed to May 2016 |
| E.ON | 29.10.2014 | 29.10.2014 | Dual Fuel | Launch of E.ON Energy Fixed 1 Year v12 |
| E.ON | 29.10.2014 | 29.10.2014 | Dual Fuel | Removal of E.ON Energy Fixed 1 Year V11 |
| Extra Energy | 29.10.2014 | 29.10.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Dec 2015 v1 |
| Extra Energy | 29.10.2014 | 29.10.2014 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Nov 2015 v3 |
| Co-operative Energy | 23.10.2014 | 23.10.2014 | Dual Fuel | Launch of Fair & Square December 2015 |
| Co-operative Energy | 23.10.2014 | 23.10.2014 | Dual Fuel | Removal of Fair & Square October 2015 |
| Green Star Energy | 23.10.2014 | 23.10.2014 | All | Launch of Rate Saver 24M Fixed 1410 |
| Green Star Energy | 23.10.2014 | 23.10.2014 | All | Launch of Rate Saver 36M Fixed 1410 |
| Green Star Energy | 23.10.2014 | 23.10.2014 | All | Removal of Rate Saver 24 Month Fixed 1408 |
| Green Star Energy | 23.10.2014 | 23.10.2014 | All | Removal of Rate Saver 36 Month Fixed 1408 |
| npower | 20.10.2014 | 20.10.2014 | All | Launch of Online Price Fix November 2015 |
| npower | 20.10.2014 | 20.10.2014 | All | Removal of Online Price Fix May 2016 |
| First Utility | 20.10.2014 | 20.10.2014 | Electricity and Dual Fuel | Launch of iSave Fixed November 2015 (v35) |
| First Utility | 20.10.2014 | 20.10.2014 | Electricity and Dual Fuel | Removal of iSave Fixed November 2015 (v33) |
| Extra Energy | 20.10.2014 | 20.10.2014 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Nov 2015 v2 |
| Extra Energy | 20.10.2014 | 20.10.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Nov 2015 v3 |
| ScottishPower | 17.10.2014 | 17.10.2014 | All | Launch of Online Fixed Price Energy December 2015 |
| ScottishPower | 17.10.2014 | 17.10.2014 | All | Removal of Online Fixed Price Energy November 2015 |
| Utilita | 17.10.2014 | 17.10.2014 | All | Price amendment of Standard |
| Utilita | 17.10.2014 | 17.10.2014 | Electricity and Dual Fuel | Price amendment of Smart Energy |
| Utilita | 17.10.2014 | 17.10.2014 | Electricity and Dual Fuel | Removal of Smart Energy Plus |
| E.ON | 16.10.2014 | 16.10.2014 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v10 |
| E.ON | 16.10.2014 | 16.10.2014 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year V11 |
| M&S Energy | 16.10.2014 | 16.10.2014 | Electricity and Dual Fuel | Removal of M&S Energy Fix & Save 2 |
| M&S Energy | 16.10.2014 | 16.10.2014 | Electricity and Dual Fuel | Launch of M&S Energy Fix & More Jan 16 |
| Green Energy (UK) plc | 15.10.2014 | 15.10.2014 | Dual Fuel | Price decrease of Still |
| Green Energy (UK) plc | 15.10.2014 | 15.10.2014 | Dual Fuel | Price decrease of Sparkling |
| First Utility | 14.10.2014 | 14.10.2014 | Electricity and Dual Fuel | Removal of iSave Fixed January 2018 (v31) |
| First Utility | 14.10.2014 | 14.10.2014 | Electricity and Dual Fuel | Launch of iSave Fixed January 2018 (v34) |
| OVO Energy | 09.10.2014 | 09.10.2014 | All | New version of Better Energy Fixed |
| OVO Energy | 09.10.2014 | 09.10.2014 | All | New version of Better Energy Fixed (Online) |
| OVO Energy | 09.10.2014 | 09.10.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed |
| OVO Energy | 09.10.2014 | 09.10.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed (Online) |
| Woodland Trust Energy | 09.10.2014 | 09.10.2014 | All | New version of Better Energy |
| Woodland Trust Energy | 09.10.2014 | 09.10.2014 | Electricity and Dual Fuel | New version of Greener Energy |
| E.ON | 03.10.2014 | 03.10.2014 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v10 |
| E.ON | 03.10.2014 | 03.10.2014 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v9 |
| Green Star Energy | 02.10.2014 | 02.10.2014 | All | Launch of Rate Saver 12 Month Fixed 1410 |
| Green Star Energy | 02.10.2014 | 02.10.2014 | All | Removal of Rate Saver 12 Month Fixed 1408 |
| SSE | 02.10.2014 | 02.10.2014 | All | Removal of 1 Year Fixed Price |
| SSE | 02.10.2014 | 02.10.2014 | Electricity and Dual Fuel | Launch of SSE Direct |
| First Utility | 02.10.2014 | 02.10.2014 | Electricity and Dual Fuel | Launch of iSave Fixed November 2015 (v33) |
| First Utility | 02.10.2014 | 02.10.2014 | Electricity and Dual Fuel | Removal of iSave Fixed October 2015 |
| Extra Energy | 02.10.2014 | 02.10.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Nov 2015 v2 |
| Extra Energy | 02.10.2014 | 02.10.2014 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Nov 2015 v1 |
| British Gas | 30.09.2014 | 30.09.2014 | All | Launch of Fix and Fall March 2016 |
| British Gas | 30.09.2014 | 30.09.2014 | Dual Fuel | Removal of Fixed Price November 2015 |
| OVO Energy | 30.09.2014 | 30.09.2014 | Electricity and Dual Fuel | Removal of Ovo PAYG energy plan - relaunched as PAYG Energy (Online) |
| OVO Energy | 30.09.2014 | 30.09.2014 | Electricity and Dual Fuel | Launch of PAYG Energy (Online) - previously was called OVO PAYG energy plan |
| OVO Energy | 30.09.2014 | 30.09.2014 | Electricity and Dual Fuel | Launch of PAYG Energy |
| OVO Energy | 30.09.2014 | 30.09.2014 | Electricity and Dual Fuel | Launch of Simpler Energy (Online) - PAYG |
| OVO Energy | 30.09.2014 | 30.09.2014 | Electricity and Dual Fuel | Launch of Simpler Energy - PAYG |
| Extra Energy | 30.09.2014 | 30.09.2014 | Electricity and Dual Fuel | Launch of Bright Fixed Price Nov 2015 v1 |
| Extra Energy | 30.09.2014 | 30.09.2014 | Electricity and Dual Fuel | Removal of Bright Fixed Price Oct 2015 v2 |
| Extra Energy | 26.09.2014 | 26.09.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Nov 2015 v1 |
| Extra Energy | 26.09.2014 | 26.09.2014 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Oct 2015 v2 |
| npower | 25.09.2014 | 25.09.2014 | Dual Fuel | Launch of Intelligent Control October 2016 |
| npower | 25.09.2014 | 25.09.2014 | Dual Fuel | Removal of Intelligent Fix April 2017 |
| E.ON | 25.09.2014 | 25.09.2014 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v8 |
| E.ON | 25.09.2014 | 25.09.2014 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v9 |
| First Utility | 22.09.2014 | 22.09.2014 | Electricity and Dual Fuel | Launch of iSave Fixed January 2018 (v31) |
| First Utility | 22.09.2014 | 22.09.2014 | Electricity and Dual Fuel | Removal of iSave Fixed September 2017 |
| iSupplyEnergy | 19.09.2014 | 19.09.2014 | Electricity | Launch of iFix 201511 |
| iSupplyEnergy | 19.09.2014 | 19.09.2014 | Electricity | Removal of iFix 201510 |
| ScottishPower | 18.09.2014 | 18.09.2014 | All | Launch of Online Fixed Price Energy November 2015 |
| ScottishPower | 18.09.2014 | 18.09.2014 | All | Removal of Online Fixed Price Energy October 2015 |
| Extra Energy | 18.09.2014 | 18.09.2014 | Electricity and Dual Fuel | Removal of Clear Fixed Price Oct 2015 v1 |
| Extra Energy | 18.09.2014 | 18.09.2014 | Electricity and Dual Fuel | Removal of Bright Fixed Price Oct 2015 v1 |
| Extra Energy | 18.09.2014 | 18.09.2014 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Oct 2015 v1 |
| Extra Energy | 18.09.2014 | 18.09.2014 | Electricity and Dual Fuel | Launch of Bright Fixed Price Oct 2015 v2 |
| Extra Energy | 18.09.2014 | 18.09.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Oct 2015 v2 |
| Extra Energy | 18.09.2014 | 18.09.2014 | Electricity and Dual Fuel | Launch of Secure Long Term Fixed Price Sept 2016 v1 |
| Oink Energy | 16.09.2014 | 16.09.2014 | Dual Fuel | Launch of Dead Simple Energy - New supplier |
| EDF Energy | 10.09.2014 | 10.09.2014 | All | Removal of Blue+Price Promise February 2016 |
| EDF Energy | 10.09.2014 | 10.09.2014 | All | Removal of Blue +Price Freeeeze July 2017 |
| EDF Energy | 10.09.2014 | 10.09.2014 | All | Launch of Blue+Price Promise March 2016 |
| EDF Energy | 10.09.2014 | 10.09.2014 | All | Launch of Blue +Price Freeeeze May 2018 |
| npower | 10.09.2014 | 10.09.2014 | All | Launch of Online Price Fix May 2016 |
| npower | 10.09.2014 | 10.09.2014 | All | Launch of Price Fix February 2017 |
| npower | 10.09.2014 | 10.09.2014 | All | Removal of Online Price Fix October 2015 |
| npower | 10.09.2014 | 10.09.2014 | All | Removal of Price Fix June 2016 |
| Utilita | 09.09.2014 | 09.09.2014 | All | Removal of energysaver |
| Utilita | 09.09.2014 | 09.09.2014 | All | Now available for direct debit as well as cash/cheque |
| First Utility | 04.09.2014 | 04.09.2014 | Electricity and Dual Fuel | Launch of iSave Fixed October 2015 |
| First Utility | 04.09.2014 | 04.09.2014 | Electricity and Dual Fuel | Removal of iSave Fixed September 2015 |
| Extra Energy | 03.09.2014 | 03.09.2014 | Electricity | Removal of PowerPlus Fixed Price Oct 2015 v1 |
| Extra Energy | 03.09.2014 | 03.09.2014 | Electricity and Dual Fuel | Removal of ValuePlus Fixed Price Oct 2015 v1 |
| Extra Energy | 03.09.2014 | 03.09.2014 | Electricity and Dual Fuel | Removal of SaverPlus Fixed Price Oct 2015 v1 |
| Extra Energy | 03.09.2014 | 03.09.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Oct 2015 v1 |
| Extra Energy | 03.09.2014 | 03.09.2014 | Electricity and Dual Fuel | Launch of Clear Fixed Price Oct 2015 v1 |
| Extra Energy | 03.09.2014 | 03.09.2014 | Electricity and Dual Fuel | Launch of Bright Fixed Price Oct 2015 v1 |
| British Gas | 01.09.2014 | 01.09.2014 | Dual Fuel | Launch of Fixed Price November 2015 |
| British Gas | 01.09.2014 | 01.09.2014 | Dual Fuel | Launch of Fix and Reward March 2016 |
| Sainsbury's Energy | 01.09.2014 | 01.09.2014 | Dual Fuel | Launch of Fix and Reward March 2016 |
| Sainsbury's Energy | 01.09.2014 | 01.09.2014 | Dual Fuel | Launch of Fixed Price October 2015 |
| Sainsbury's Energy | 01.09.2014 | 01.09.2014 | Dual Fuel | Launch of Fixed Price December 2015 |
| Flow Energy | 01.09.2014 | 01.09.2014 | All | Removal of Thames Online Fixed September 2015 |
| British Gas | 31.08.2014 | 31.08.2014 | Dual Fuel | Removal of Fix and Reward September 2015 |
| British Gas | 31.08.2014 | 31.08.2014 | Dual Fuel | Removal of Fixed Price August 2015 |
| Sainsbury's Energy | 31.08.2014 | 31.08.2014 | Dual Fuel | Removal of Fixed Price August 2015 |
| Sainsbury's Energy | 31.08.2014 | 31.08.2014 | Dual Fuel | Removal of Fix and Reward August 2015 |
| Sainsbury's Energy | 31.08.2014 | 31.08.2014 | Dual Fuel | Removal of Fixed Price April 2016 |
| Extra Energy | 29.08.2014 | 29.08.2014 | Electricity | Launch of PowerPlus Fixed Price Oct 2015 v1 |
| Extra Energy | 29.08.2014 | 29.08.2014 | Electricity and Dual Fuel | Launch of ValuePlus Fixed Price Oct 2015 v1 |
| Extra Energy | 29.08.2014 | 29.08.2014 | Electricity and Dual Fuel | Launch of SaverPlus Fixed Price Oct 2015 v1 |
| Extra Energy | 29.08.2014 | 29.08.2014 | Electricity | Removal of PowerPlus Fixed Sept 2015 v1 |
| Extra Energy | 29.08.2014 | 29.08.2014 | Electricity and Dual Fuel | Removal of ValuePlus Fixed Price Sept 2015 v1 |
| Extra Energy | 29.08.2014 | 29.08.2014 | Electricity and Dual Fuel | Removal of SaverPlus Fixed Price Sept 2015 v1 |
| Green Star Energy | 29.08.2014 | 29.08.2014 | All | Launch of Rate Saver Variable - Name change from No Worries and Rate Wise to Rate Saver |
| Green Star Energy | 29.08.2014 | 29.08.2014 | All | Removal of No Worries Variable |
| E.ON | 28.08.2014 | 28.08.2014 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v7 |
| E.ON | 28.08.2014 | 28.08.2014 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v8 |
| iSupplyEnergy | 22.08.2014 | 22.08.2014 | Electricity | Launch of iFix 201510 |
| iSupplyEnergy | 22.08.2014 | 22.08.2014 | Electricity | Removal of iFix 201509 |
| OVO Energy | 21.08.2014 | 21.08.2014 | Electricity and Dual Fuel | Removal of Better Energy (Fixed to June 2016) |
| OVO Energy | 21.08.2014 | 21.08.2014 | Electricity and Dual Fuel | Removal of Cheaper Energy (Fixed to June 2016) |
| OVO Energy | 21.08.2014 | 21.08.2014 | Electricity and Dual Fuel | Removal of Cheaper Energy Fixed |
| OVO Energy | 21.08.2014 | 21.08.2014 | Electricity and Dual Fuel | Launch of Better Energy Fixed (Online) - Tariff name change from Cheaper Energy Fixed |
| ScottishPower | 21.08.2014 | 21.08.2014 | All | Launch of Online Fixed Price Energy October 2015 |
| ScottishPower | 21.08.2014 | 21.08.2014 | All | Removal of Online Fixed Price Energy September 2015 |
| Co-operative Energy | 15.08.2014 | 15.08.2014 | Dual Fuel | Launch of Fair & Square October 2015 |
| Co-operative Energy | 15.08.2014 | 15.08.2014 | Dual Fuel | Removal of Fair & Square September 2015 |
| Extra Energy | 15.08.2014 | 15.08.2014 | Electricity and Dual Fuel | Removal of Fixed Price September 2015 v14 |
| Extra Energy | 15.08.2014 | 15.08.2014 | Electricity and Dual Fuel | Launch of SaverPlus Fixed Price Sept 2015 v1 |
| Extra Energy | 15.08.2014 | 15.08.2014 | Electricity and Dual Fuel | Launch of ValuePlus Fixed Price Sept 2015 v1 |
| ScottishPower | 14.08.2014 | 14.08.2014 | Dual Fuel | Launch of Fixed Price Energy September 2017 |
| E.ON | 13.08.2014 | 13.08.2014 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v7 |
| E.ON | 13.08.2014 | 13.08.2014 | Electricity and Dual Fuel | Launch of Age UK Fixed 2 Year v2 |
| E.ON | 13.08.2014 | 13.08.2014 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v6 |
| E.ON | 13.08.2014 | 13.08.2014 | Electricity and Dual Fuel | Removal of Age UK Fixed 2 Year v1 |
| Extra Energy | 08.08.2014 | 08.08.2014 | Electricity | Launch of PowerPlus Fixed Sept 2015 v1 |
| Extra Energy | 08.08.2014 | 08.08.2014 | Electricity and Dual Fuel | Launch of Fixed Price September 2015 v14 |
| Extra Energy | 08.08.2014 | 08.08.2014 | Electricity and Dual Fuel | Removal of Fixed Price September 2015 v13 |
| Green Star Energy | 07.08.2014 | 07.08.2014 | All | Launch of Rate Saver 12 Month Fixed 1408 |
| Green Star Energy | 07.08.2014 | 07.08.2014 | All | Launch of Rate Saver 24 Month Fixed 1408 |
| Green Star Energy | 07.08.2014 | 07.08.2014 | All | Launch of Rate Saver 36 Month Fixed 1408 |
| Green Star Energy | 07.08.2014 | 07.08.2014 | All | Removal of No Worries 12 Month Fixed 1406 - Called Rate Wise 12 Month Fixed 1406 for Economy 7 |
| Green Star Energy | 07.08.2014 | 07.08.2014 | All | Removal of No Worries 24 Month Fixed 1405 - Called Rate Wise 24 Month Fixed 1405 for Economy 7 |
| Green Star Energy | 07.08.2014 | 07.08.2014 | All | Removal of No Worries 36 Month Fixed 1405 - Called Rate Wise 36 Month Fixed 1405 for Economy 7 |
| M&S Energy | 07.08.2014 | 07.08.2014 | Electricity and Dual Fuel | Launch of M&S Energy Fix & Save 2 |
| M&S Energy | 07.08.2014 | 07.08.2014 | Electricity and Dual Fuel | Removal of M&S Energy Fixed Price Sep 15 |
| npower | 04.08.2014 | 04.08.2014 | All | Launch of Online Price Fix October 2015 |
| npower | 04.08.2014 | 04.08.2014 | All | Launch of Price Fix June 2016 |
| npower | 04.08.2014 | 04.08.2014 | All | Removal of Price Fix August 2015 |
| npower | 04.08.2014 | 04.08.2014 | All | Removal of Fixed Energy July 2016 |
| OVO Energy | 31.07.2014 | 31.07.2014 | Electricity and Dual Fuel | New version of Ovo PAYG energy plan - Price decrease for areas 12, 15, 18, 22 and 23 |
| Extra Energy | 30.07.2014 | 30.07.2014 | Electricity and Dual Fuel | Launch of Fixed Price September 2015 v13 |
| Extra Energy | 30.07.2014 | 30.07.2014 | Electricity and Dual Fuel | Removal of Fixed Price September 2015 v12 |
| GnERGY | 29.07.2014 | 29.07.2014 | Dual Fuel | Launch of GnERGY Fixed |
| GnERGY | 29.07.2014 | 29.07.2014 | All | Launch of GnERGY Standard Variable |
| GnERGY | 29.07.2014 | 29.07.2014 | Dual Fuel | Launch of GnERGY Super Saver |
| First Utility | 24.07.2014 | 24.07.2014 | Electricity and Dual Fuel | Removal of iSave Fixed September 2016 |
| First Utility | 24.07.2014 | 24.07.2014 | Electricity and Dual Fuel | Launch of iSave Fixed October 2016 |
| Green Energy (UK) plc | 21.07.2014 | 21.07.2014 | Dual Fuel | Launch of Sparkling - Launched dual fuel prices for Sparkling. |
| Green Energy (UK) plc | 21.07.2014 | 21.07.2014 | Dual Fuel | Launch of Still - Launched dual fuel prices for Still |
| ScottishPower | 18.07.2014 | 18.07.2014 | All | Launch of Online Fixed Price Energy September 2015 |
| ScottishPower | 18.07.2014 | 18.07.2014 | All | Removal of Online Fixed Price Energy July 2015 |
| Co-operative Energy | 17.07.2014 | 17.07.2014 | Dual Fuel | Launch of Fair & Square September 2015 |
| Extra Energy | 11.07.2014 | 11.07.2014 | Electricity and Dual Fuel | Launch of Fixed Price September 2015 V11 |
| Extra Energy | 11.07.2014 | 11.07.2014 | Electricity and Dual Fuel | Removal of Fixed Price September 2015 V10 |
| Utilita | 09.07.2014 | 09.07.2014 | Electricity and Dual Fuel | Re-pricing of Smart Energy |
| Utilita | 09.07.2014 | 09.07.2014 | Electricity and Dual Fuel | Launch of Smart Energy Plus |
| EDF Energy | 08.07.2014 | 08.07.2014 | All | Launch of Blue+Fixed Prepay October 2016 |
| OVO Energy | 08.07.2014 | 08.07.2014 | All | New version of Better Energy Fixed |
| OVO Energy | 08.07.2014 | 08.07.2014 | All | New version of Cheaper Energy Fixed |
| OVO Energy | 08.07.2014 | 08.07.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed |
| OVO Energy | 08.07.2014 | 08.07.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed (Online) |
| OVO Energy | 08.07.2014 | 08.07.2014 | All | New version of Better Energy (Fixed to June 2016) |
| OVO Energy | 08.07.2014 | 08.07.2014 | All | New version of Cheaper Energy (Fixed to June 2016) |
| Woodland Trust Energy | 08.07.2014 | 08.07.2014 | All | New version of Better Energy |
| Woodland Trust Energy | 08.07.2014 | 08.07.2014 | Electricity and Dual Fuel | New version of Greener Energy |
| npower | 07.07.2014 | 07.07.2014 | All | Launch of Fixed Energy July 2016 |
| npower | 07.07.2014 | 07.07.2014 | All | Removal of Online Price Fix April 2016 |
| Extra Energy | 07.07.2014 | 07.07.2014 | Electricity and Dual Fuel | Launch of Fixed Price September 2015 V10 |
| Extra Energy | 07.07.2014 | 07.07.2014 | Electricity and Dual Fuel | Removal of Fixed Price September 2015 v9 |
| Extra Energy | 03.07.2014 | 03.07.2014 | Electricity and Dual Fuel | Removal of Fixed Price September 2015 v8 |
| Extra Energy | 03.07.2014 | 03.07.2014 | Electricity and Dual Fuel | Launch of Fixed Price September 2015 v9 |
| Spark Energy | 02.07.2014 | 02.07.2014 | All | Launch of Pay As You Go Saver Fixed January 2015 |
| Spark Energy | 02.07.2014 | 02.07.2014 | All | Removal of PAYG Saver - Fixed August 2014 |
| First Utility | 02.07.2014 | 02.07.2014 | Electricity and Dual Fuel | Launch of iSave Fixed September 2015 |
| First Utility | 02.07.2014 | 02.07.2014 | Electricity and Dual Fuel | Removal of iSave Fixed August 2015 |
| British Gas | 30.06.2014 | 30.06.2014 | Dual Fuel | Removal of Fix and Reward August 2015 |
| British Gas | 30.06.2014 | 30.06.2014 | Dual Fuel | Launch of Fix and Reward September 2015 |
| EDF Energy | 26.06.2014 | 26.06.2014 | All | Launch of Blue+Price Promise February 2016 |
| EDF Energy | 26.06.2014 | 26.06.2014 | All | Removal of Blue+Price Promise August 2015 |
| npower | 24.06.2014 | 24.06.2014 | All | Launch of Price Fix August 2015 - Relaunched tariff |
| npower | 24.06.2014 | 24.06.2014 | All | Removal of Price Protector September 2016 |
| Green Star Energy | 18.06.2014 | 18.06.2014 | All | Removal of No Worries 12 Month Fixed 1405 |
| Green Star Energy | 18.06.2014 | 18.06.2014 | All | Launch of No Worries 12 Month Fixed 1406 |
| Green Star Energy | 18.06.2014 | 18.06.2014 | All | Removal of Rate Wise 12 Month Fixed 1405 |
| Green Star Energy | 18.06.2014 | 18.06.2014 | All | Launch of Rate Wise 12M Fixed - Elec 1406 |
| Extra Energy | 17.06.2014 | 17.06.2014 | Electricity and Dual Fuel | Launch of Fixed Price September 2015 v8 |
| Extra Energy | 17.06.2014 | 17.06.2014 | Electricity and Dual Fuel | Removal of Fixed Price September 2015 v7 |
| SSE | 16.06.2014 | 16.06.2014 | All | Rebrand of regional names to SSE, SSE Swalec, SSE Southern Electric, SSE Scottish Hydro and SSE Atlantic |
| ScottishPower | 12.06.2014 | 12.06.2014 | All | Launch of Help Beat Cancer Fixed Price Energy September 2016 |
| ScottishPower | 12.06.2014 | 12.06.2014 | Dual Fuel | Removal of Help Beat Cancer Fixed Price Energy April 2017 |
| ScottishPower | 12.06.2014 | 12.06.2014 | All | Removal of Fixed Price Energy June 2016 |
| LoCO2 Energy | 11.06.2014 | 11.06.2014 | Electricity | Launch of Pocket Fixed 10 |
| LoCO2 Energy | 11.06.2014 | 11.06.2014 | Electricity | Removal of Pocket Fixed 9 |
| OVO Energy | 05.06.2014 | 05.06.2014 | Electricity and Dual Fuel | New version of Ovo PAYG energy plan |
| Extra Energy | 02.06.2014 | 02.06.2014 | Electricity and Dual Fuel | Launch of Fixed Price September 2015 v7 |
| Extra Energy | 02.06.2014 | 02.06.2014 | Electricity and Dual Fuel | Removal of Fixed Price September 2015 v6 |
| British Gas | 30.05.2014 | 30.05.2014 | All | Launch of Fixed Price January 2017 |
| British Gas | 30.05.2014 | 30.05.2014 | Dual Fuel | Launch of Fixed Price August 2015 |
| Sainsbury's Energy | 30.05.2014 | 30.05.2014 | Dual Fuel | Launch of Fixed Price August 2015 |
| Sainsbury's Energy | 30.05.2014 | 30.05.2014 | Dual Fuel | Launch of Fixed Price April 2016 |
| Sainsbury's Energy | 30.05.2014 | 30.05.2014 | Dual Fuel | Launch of Fix and Reward August 2015 |
| British Gas | 30.05.2014 | 30.05.2014 | All | Removal of Fixed Price March 2016 |
| British Gas | 30.05.2014 | 30.05.2014 | Dual Fuel | Removal of Fixed Price May 2015 |
| Sainsbury's Energy | 30.05.2014 | 30.05.2014 | All | Removal of Fixed Price May 2015 |
| Sainsbury's Energy | 30.05.2014 | 30.05.2014 | All | Removal of Fixed Price March 2018 |
| Sainsbury's Energy | 30.05.2014 | 30.05.2014 | Dual Fuel | Removal of Fix and Reward May 2015 |
| Extra Energy | 23.05.2014 | 23.05.2014 | Electricity and Dual Fuel | Launch of Fixed Price September 2015 v6 |
| Extra Energy | 23.05.2014 | 23.05.2014 | Electricity and Dual Fuel | Removal of Fixed Price September 2015 v5 |
| iSupplyEnergy | 22.05.2014 | 22.05.2014 | Electricity | Launch of iFix 201507 |
| iSupplyEnergy | 22.05.2014 | 22.05.2014 | Electricity | Removal of iFix 201506 |
| Green Star Energy | 21.05.2014 | 21.05.2014 | All | Removal of No Worries 24 Month Fixed 1404 |
| Green Star Energy | 21.05.2014 | 21.05.2014 | All | Removal of No Worries 36 Month Fixed 1404 |
| Green Star Energy | 21.05.2014 | 21.05.2014 | All | Launch of No Worries 24 Month Fixed 1405 |
| Green Star Energy | 21.05.2014 | 21.05.2014 | All | Launch of No Worries 36 Month Fixed 1405 |
| Extra Energy | 16.05.2014 | 16.05.2014 | Electricity and Dual Fuel | Removal of Fixed Price September 2015 v4 |
| Extra Energy | 16.05.2014 | 16.05.2014 | Electricity and Dual Fuel | Launch of Fixed Price September 2015 v5 |
| OVO Energy | 15.05.2014 | 15.05.2014 | All | New version of Better Energy (Fixed to June 2016) |
| OVO Energy | 15.05.2014 | 15.05.2014 | All | New version of Better Energy Fixed |
| OVO Energy | 15.05.2014 | 15.05.2014 | All | New version of Cheaper Energy (Fixed to June 2016) |
| OVO Energy | 15.05.2014 | 15.05.2014 | All | New version of Cheaper Energy Fixed |
| OVO Energy | 15.05.2014 | 15.05.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed |
| OVO Energy | 15.05.2014 | 15.05.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed (Online) |
| Woodland Trust Energy | 15.05.2014 | 15.05.2014 | All | New version of Better Energy |
| Woodland Trust Energy | 15.05.2014 | 15.05.2014 | Electricity and Dual Fuel | New version of Greener Energy |
| npower | 15.05.2014 | 15.05.2014 | All | Removal of Price Protector March 2018 |
| npower | 15.05.2014 | 15.05.2014 | All | Launch of Online Price Fix April 2016 |
| npower | 15.05.2014 | 15.05.2014 | Dual Fuel | Launch of Intelligent Fix April 2017 |
| First Utility | 15.05.2014 | 15.05.2014 | Electricity and Dual Fuel | Removal of iSave Fixed July 2015 |
| First Utility | 15.05.2014 | 15.05.2014 | Electricity and Dual Fuel | Launch of iSave Fixed August 2015 |
| Green Star Energy | 13.05.2014 | 13.05.2014 | All | Launch of No Worries 12 Month Fixed 1405 |
| Green Star Energy | 13.05.2014 | 13.05.2014 | All | Removal of No Worries 12 Month Fixed 1404 |
| First Utility | 01.05.2014 | 01.05.2014 | Electricity and Dual Fuel | Launch of iSave Fixed September 2016 |
| First Utility | 01.05.2014 | 01.05.2014 | Electricity and Dual Fuel | Launch of iSave Fixed September 2017 |
| First Utility | 01.05.2014 | 01.05.2014 | Electricity and Dual Fuel | Removal of Power Play Fixed May 2016 |
| First Utility | 01.05.2014 | 01.05.2014 | Electricity and Dual Fuel | Removal of iSave Fixed April 2017 |
| British Gas | 30.04.2014 | 30.04.2014 | Dual Fuel | Launch of Fix and Reward August 2015 |
| British Gas | 30.04.2014 | 30.04.2014 | Dual Fuel | Removal of Fix and Control August 2015 |
| M&S Energy | 30.04.2014 | 30.04.2014 | Electricity and Dual Fuel | Removal of M&S Energy Fixed Price May 15 |
| M&S Energy | 30.04.2014 | 30.04.2014 | Electricity and Dual Fuel | Launch of M&S Energy Fixed Price Sep 15 |
| EDF Energy | 25.04.2014 | 25.04.2014 | All | Removal of Blue +Price Promise July 2015 |
| EDF Energy | 25.04.2014 | 25.04.2014 | All | Launch of Blue+Price Promise August 2015 |
| Co-operative Energy | 25.04.2014 | 25.04.2014 | All | Removal of Fixed to May 2015 |
| Extra Energy | 28.04.2014 | 25.04.2014 | All | Removal of Fixed Price September 2015 v2 |
| Extra Energy | 28.04.2014 | 25.04.2014 | Electricity and Dual Fuel | Launch of Fixed Price September 2015 v3 |
| ScottishPower | 24.04.2014 | 24.04.2014 | All | Launch of Fixed Price Energy June 2016 |
| ScottishPower | 24.04.2014 | 24.04.2014 | Electricity and Dual Fuel | Removal of Fixed Price Energy April 2016 |
| Co-operative Energy | 23.04.2014 | 23.04.2014 | Electricity and Dual Fuel | Price increase of Pioneer Variable |
| iSupplyEnergy | 23.04.2014 | 23.04.2014 | Electricity | Launch of iFix 201506 |
| iSupplyEnergy | 23.04.2014 | 23.04.2014 | Electricity | Removal of iFix 201504 |
| OVO Energy | 22.04.2014 | 22.04.2014 | Electricity and Dual Fuel | Launch of Ovo PAYG energy plan |
| Green Star Energy | 16.04.2014 | 16.04.2014 | All | Removal of No Worries 12 Month Fixed 1403 |
| Green Star Energy | 16.04.2014 | 16.04.2014 | All | Launch of No Worries 12 Month Fixed 1404 |
| Green Star Energy | 16.04.2014 | 16.04.2014 | All | Removal of No Worries 24 Month Fixed 1403 |
| Green Star Energy | 16.04.2014 | 16.04.2014 | All | Launch of No Worries 24 Month Fixed 1404 |
| Zog Energy | 15.04.2014 | 15.04.2014 | Gas | New version of Mercury 24 |
| First Utility | 15.04.2014 | 15.04.2014 | Electricity and Dual Fuel | Removal of iSave Fixed May 2015 |
| First Utility | 15.04.2014 | 15.04.2014 | Electricity and Dual Fuel | Launch of iSave Fixed July 2015 |
| Green Star Energy | 11.04.2014 | 11.04.2014 | All | Launch of No Worries 36 Month Fixed 1404 |
| Good Energy | 10.04.2014 | 10.04.2014 | Electricity and Dual Fuel | Removal of 100% South West & Gas+ |
| Woodland Trust Energy | 09.04.2014 | 09.04.2014 | All | Removal of New Energy Plan |
| Woodland Trust Energy | 09.04.2014 | 09.04.2014 | Electricity and Dual Fuel | Removal of Green Energy Plan |
| Woodland Trust Energy | 09.04.2014 | 09.04.2014 | All | Launch of Better Energy |
| Woodland Trust Energy | 09.04.2014 | 09.04.2014 | Electricity and Dual Fuel | Launch of Greener Energy |
| OVO Energy | 09.04.2014 | 09.04.2014 | All | New version of Better Energy Fixed |
| OVO Energy | 09.04.2014 | 09.04.2014 | All | New version of Cheaper Energy Fixed |
| OVO Energy | 09.04.2014 | 09.04.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed |
| OVO Energy | 09.04.2014 | 09.04.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed (Online) |
| First Utility | 09.04.2014 | 09.04.2014 | Electricity and Dual Fuel | Removal of iSave Fixed April 2016 |
| First Utility | 09.04.2014 | 09.04.2014 | Electricity and Dual Fuel | Launch of Power Play Fixed May 2016 |
| ScottishPower | 08.04.2014 | 08.04.2014 | All | Launch of Online Fixed Price Energy July 2015 |
| ScottishPower | 08.04.2014 | 08.04.2014 | Electricity and Dual Fuel | Removal of Online Fixed Price Energy June 2015 |
| EDF Energy | 08.04.2014 | 08.04.2014 | All | Removal of Blue +Price Promise June 2015 |
| EDF Energy | 08.04.2014 | 08.04.2014 | All | Removal of Blue +Price Freeeeze March 2017 |
| EDF Energy | 08.04.2014 | 08.04.2014 | All | Launch of Blue +Price Promise July 2015 |
| EDF Energy | 08.04.2014 | 08.04.2014 | All | Launch of Blue +Price Freeeeze July 2017 |
| npower | 07.04.2014 | 07.04.2014 | All | Various tariffs changed to have discounts incorporated into the standing charge |
| Good Energy | 03.03.2014 | 02.04.2014 | All | Price increase of Good Energy & Gas+ |
| Good Energy | 03.03.2014 | 02.04.2014 | Electricity and Dual Fuel | Price increase of 100% South West & Gas+ |
| Flow Energy | 02.04.2014 | 02.04.2014 | All | Launch of Thames Online Fixed September 2015 |
| First Utility | 13.02.2014 | 01.04.2014 | Electricity and Dual Fuel | Price amendment of iSave Everyday |
| First Utility | 26.02.2014 | 01.04.2014 | Electricity and Dual Fuel | Price amendment of iSave Everyday - A minor reduction amendment made to the tariff in one region being backdated to the launch date. |
| Utilita | 05.03.2014 | 01.04.2014 | Electricity and Dual Fuel | Price amendment of Smart Energy |
| Utilita | 05.03.2014 | 01.04.2014 | All | Price amendment of Energy Saver |
| Utilita | 05.03.2014 | 01.04.2014 | All | Price amendment of Standard |
| SSE | 01.04.2014 | 01.04.2014 | Dual Fuel | Price amendment of Discount Bonus Apr 15 |
| EBICo | 19.03.2014 | 24.03.2014 | All | Price decrease of Equidual |
| npower | 24.03.2014 | 24.03.2014 | All | Re-launch of tariff. |
| npower | 24.03.2014 | 24.03.2014 | All | Removal of Price Fix March 2016 |
| SSE | 24.03.2014 | 24.03.2014 | All | Price decrease of Standard |
| M&S Energy | 24.03.2014 | 24.03.2014 | Electricity and Dual Fuel | Price decrease of Standard Energy |
| SSE | 24.03.2014 | 24.03.2014 | All | Price decrease of Standard Pay As You Go |
| SSE | 24.03.2014 | 24.03.2014 | All | Price decrease to various tariffs |
| SSE | 16.06.2014 | 24.03.2014 | All | Reduced prices for historic tariffs will be back dated to cover the period from 24th March. |
| Green Star Energy | 19.03.2014 | 19.03.2014 | All | Price amendment of No Worries Variable |
| npower | 17.03.2014 | 17.03.2014 | All | Removal of Online Price Fix June 2015 |
| Extra Energy | 17.03.2014 | 17.03.2014 | All | Launch of Fixed Price September 2015 v2 |
| Extra Energy | 17.03.2014 | 17.03.2014 | All | Launch of Variable Price v1 |
| First Utility | 14.03.2014 | 14.03.2014 | Electricity and Dual Fuel | Launch of iSave Fixed May 2015 |
| First Utility | 14.03.2014 | 14.03.2014 | Electricity and Dual Fuel | Removal of iSave Fixed April 2015 |
| iSupplyEnergy | 14.03.2014 | 14.03.2014 | Electricity | Removal of iFix 201503 |
| iSupplyEnergy | 14.03.2014 | 14.03.2014 | Electricity | Launch of iFix 201504 |
| Green Star Energy | 12.03.2014 | 12.03.2014 | All | Launch of No Worries 12 Month Fixed 1403 |
| Green Star Energy | 12.03.2014 | 12.03.2014 | All | Launch of No Worries 24 Month Fixed 1403 |
| Green Star Energy | 12.03.2014 | 12.03.2014 | All | Launch of Rate Wise 12 Month Fixed 1403 |
| Green Star Energy | 12.03.2014 | 12.03.2014 | All | Launch of Rate Wise 24 Month Fixed 1403 |
| Green Star Energy | 12.03.2014 | 12.03.2014 | All | Removal of No Worries 12 Month Fixed 1402 |
| Green Star Energy | 12.03.2014 | 12.03.2014 | All | Removal of No Worries 24 Month Fixed 1401 |
| Green Star Energy | 12.03.2014 | 12.03.2014 | All | Removal of Rate Wise 12 Month Fixed 1402 |
| Green Star Energy | 12.03.2014 | 12.03.2014 | All | Removal of Rate Wise 24 Month Fixed 1401 |
| Zog Energy | 12.03.2014 | 12.03.2014 | Gas | Price amendment of Mercury 12 |
| LoCO2 Energy | 11.03.2014 | 11.03.2014 | Electricity | Price decrease of Planet |
| Co-operative Energy | 04.03.2014 | 04.03.2014 | Electricity and Dual Fuel | Removal of Fixed Price July 2015 |
| Co-operative Energy | 04.03.2014 | 04.03.2014 | Electricity and Dual Fuel | Removal of Fixed March 2016 |
| Co-operative Energy | 04.03.2014 | 04.03.2014 | Electricity and Dual Fuel | Launch of Fixed May 2015 |
| Co-operative Energy | 04.03.2014 | 04.03.2014 | Electricity and Dual Fuel | Launch of Fixed May 2016 |
| Co-operative Energy | 04.03.2014 | 04.03.2014 | All | Price amendment of Fixed May 2015 - Updated pricing in 3 regions |
| ScottishPower | 01.03.2014 | 01.03.2014 | Electricity and Dual Fuel | Removal of Online Fixed Price Energy February 2015 v3 |
| ScottishPower | 01.03.2014 | 01.03.2014 | Electricity and Dual Fuel | Launch of Online Fixed Price Energy June 2015 |
| npower | 28.02.2014 | 28.02.2014 | All | Price amendment of Standard |
| npower | 28.02.2014 | 28.02.2014 | All | Price amendment of Energy Online April 2014 |
| npower | 28.02.2014 | 28.02.2014 | All | Price amendment of Energy Online August 2014 |
| npower | 28.02.2014 | 28.02.2014 | All | Price amendment of Energy Online May 2014 |
| npower | 28.02.2014 | 28.02.2014 | Electricity and Dual Fuel | Price amendment of Juice - renewable energy |
| British Gas | 28.02.2014 | 28.02.2014 | Dual Fuel | Removal of Fixed Price February 2015 |
| British Gas | 28.02.2014 | 28.02.2014 | Dual Fuel | Removal of Fix and Gift Card May 2015 |
| Sainsbury's Energy | 28.02.2014 | 28.02.2014 | Dual Fuel | Removal of Fixed Price February 2015 |
| British Gas | 28.02.2014 | 28.02.2014 | Dual Fuel | Launch of Fixed Price May 2015 |
| British Gas | 28.02.2014 | 28.02.2014 | Dual Fuel | Launch of Fix and Control August 2015 |
| Sainsbury's Energy | 28.02.2014 | 28.02.2014 | All | Launch of Fixed Price May 2015 |
| M&S Energy | 26.02.2014 | 26.02.2014 | Electricity and Dual Fuel | Launch of M&S Energy Fixed Price May 15 |
| npower | 25.02.2014 | 25.02.2014 | All | Launch of Online Price Fix June 2015 |
| npower | 25.02.2014 | 25.02.2014 | All | Launch of Price Protector March 2018 |
| npower | 25.02.2014 | 25.02.2014 | All | Removal of Price Protector December 2017 |
| npower | 25.02.2014 | 25.02.2014 | All | Removal of Price Fix May 2015 |
| Spark Energy | 20.02.2014 | 20.02.2014 | Dual Fuel | Removal of Direct Debit Advance 3 |
| Spark Energy | 20.02.2014 | 20.02.2014 | Dual Fuel | Launch of Direct Debit Advance 4 |
| LoCO2 Energy | 19.02.2014 | 19.02.2014 | Electricity | Removal of Pocket Fixed 8 |
| LoCO2 Energy | 19.02.2014 | 19.02.2014 | Electricity | Launch of Pocket Fixed 9 |
| Green Star Energy | 14.02.2014 | 14.02.2014 | All | Launch of Rate Wise 12 Month Fixed 1402 |
| Green Star Energy | 14.02.2014 | 14.02.2014 | All | Launch of No Worries 12 Month Fixed 1402 |
| Green Star Energy | 14.02.2014 | 14.02.2014 | All | Removal of Rate Wise 12 Month Fixed 1311 |
| Green Star Energy | 14.02.2014 | 14.02.2014 | All | Removal of No Worries 12 Month Fixed 1311 |
| OVO Energy | 14.02.2014 | 14.02.2014 | All | New version of Better Energy Fixed |
| OVO Energy | 14.02.2014 | 14.02.2014 | All | New version of Cheaper Energy Fixed |
| OVO Energy | 14.02.2014 | 14.02.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed |
| OVO Energy | 14.02.2014 | 14.02.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed (Online) |
| Woodland Trust Energy | 14.02.2014 | 14.02.2014 | All | New version of New Energy Plan |
| Woodland Trust Energy | 14.02.2014 | 14.02.2014 | Electricity and Dual Fuel | New version of Green Energy Plan |
| First Utility | 13.02.2014 | 13.02.2014 | Electricity and Dual Fuel | Launch of iSave Fixed April 2015 |
| First Utility | 13.02.2014 | 13.02.2014 | Electricity and Dual Fuel | Launch of iSave Fixed April 2016 |
| First Utility | 13.02.2014 | 13.02.2014 | Electricity and Dual Fuel | Launch of iSave Fixed April 2017 |
| First Utility | 13.02.2014 | 13.02.2014 | Electricity and Dual Fuel | Removal of iSave Fixed v10 January 2016 |
| First Utility | 13.02.2014 | 13.02.2014 | Electricity and Dual Fuel | Removal of iSave Fixed v14 July 2015 |
| Green Star Energy | 07.02.2014 | 07.02.2014 | All | Launch of No Worries 24 Month Fixed 1401 |
| Green Star Energy | 07.02.2014 | 07.02.2014 | All | Launch of Rate Wise 24 Month Fixed 1401 |
| Green Star Energy | 07.02.2014 | 07.02.2014 | All | Removal of No Worries 24 Month Fixed 1311 |
| Green Star Energy | 07.02.2014 | 07.02.2014 | All | Removal of Rate Wise 24 Month Fixed 1311 |
| iSupplyEnergy | 05.02.2014 | 05.02.2014 | Electricity | Launch of iFix 201503 |
| iSupplyEnergy | 05.02.2014 | 05.02.2014 | Electricity | Removal of iFix 201502 |
| ScottishPower | 04.02.2014 | 04.02.2014 | Dual Fuel | Launch of Help Beat Cancer Fixed Price Energy April 2017 Online |
| ScottishPower | 04.02.2014 | 04.02.2014 | Electricity and Dual Fuel | Launch of Fixed Price Energy April 2016 Online |
| ScottishPower | 04.02.2014 | 04.02.2014 | Dual Fuel | Removal of Help Beat Cancer Fixed Price Energy January 2017 Online |
| ScottishPower | 04.02.2014 | 04.02.2014 | Electricity and Dual Fuel | Removal of Fixed Price Energy December 2015 Online |
| Telecom Plus | 03.02.2014 | 03.02.2014 | All | Launch of Double Gold Fixed Price v1 |
| Telecom Plus | 13.01.2014 | 01.02.2014 | All | Price decrease of Value |
| Telecom Plus | 13.01.2014 | 01.02.2014 | All | Price decrease of Gold |
| Telecom Plus | 13.01.2014 | 01.02.2014 | All | Price decrease of Double Gold |
| Telecom Plus | 13.01.2014 | 01.02.2014 | Dual Fuel | Price decrease of Fixed Price v1 |
| ScottishPower | 07.01.2014 | 31.01.2014 | All | Price decrease of Standard |
| ScottishPower | 07.01.2014 | 31.01.2014 | Dual Fuel | Price decrease of Help Beat Cancer Fixed Price Energy January 2017 |
| ScottishPower | 07.01.2014 | 31.01.2014 | Electricity and Dual Fuel | Price decrease of Fixed Price Energy December 2015 |
| ScottishPower | 07.01.2014 | 31.01.2014 | Electricity and Dual Fuel | Price decrease on variable tariffs |
| EDF Energy | 31.01.2014 | 31.01.2014 | All | Removal of Blue +Price Promise April 2015 |
| EDF Energy | 31.01.2014 | 31.01.2014 | All | Launch of Blue +Price Promise June 2015 |
| Spark Energy | 30.01.2014 | 30.01.2014 | All | Launch of PAYG Saver - Fixed August 2014 |
| SSE | 30.01.2014 | 30.01.2014 | All | Removal of 1yr Fixed Price |
| SSE | 30.01.2014 | 30.01.2014 | All | Removal of 2 Year Fixed Price |
| SSE | 30.01.2014 | 30.01.2014 | All | Launch of 1 Year Fixed Price |
| SSE | 30.01.2014 | 30.01.2014 | All | Launch of Fixed March 2017 |
| Co-operative Energy | 25.01.2014 | 25.01.2014 | Electricity and Dual Fuel | Removal of Fixed Price July 2015 |
| Co-operative Energy | 25.01.2014 | 25.01.2014 | Electricity and Dual Fuel | Removal of Fixed March 2016 |
| Co-operative Energy | 25.01.2014 | 25.01.2014 | All | Removal of Fixed March 2017 |
| OVO Energy | 21.01.2014 | 21.01.2014 | All | Launch of Cheaper Energy (Fixed to June 2016) |
| OVO Energy | 21.01.2014 | 21.01.2014 | All | Launch of Better Energy (Fixed to June 2016) |
| OVO Energy | 21.01.2014 | 21.01.2014 | All | New version of Cheaper Energy Fixed - Renamed from New Energy + OVO Just Reward |
| OVO Energy | 21.01.2014 | 21.01.2014 | All | New version of Better Energy Fixed - Renamed from New Energy Fixed |
| OVO Energy | 21.01.2014 | 21.01.2014 | Electricity and Dual Fuel | New version of Greener Energy Fixed (Online) - Renamed from Green Energy + OVO Just Rewards |
| OVO Energy | 21.01.2014 | 21.01.2014 | Electricity and Dual Fuel | New version of Green Energy Fixed - Renamed from Green Energy Fixed |
| npower | 21.01.2014 | 21.01.2014 | All | Launch of Price Fix May 2015 |
| npower | 21.01.2014 | 21.01.2014 | All | Launch of Price Fix March 2016 |
| npower | 21.01.2014 | 21.01.2014 | All | Removal of Price Fix August 2015 |
| E.ON | 06.12.2013 | 18.01.2014 | All | New version of E.ON Energy Plan |
| Better Energy | 17.01.2014 | 17.01.2014 | Gas | Launch of Online Saver 3 |
| Better Energy | 17.01.2014 | 17.01.2014 | Gas | Removal of Online Saver 2 |
| British Gas | 16.01.2014 | 16.01.2014 | All | Removal of Fix and Fall February 2015 |
| British Gas | 16.01.2014 | 16.01.2014 | Dual Fuel | Re-pricing of Fix and Gift Card May 2015 |
| British Gas | 16.01.2014 | 16.01.2014 | Dual Fuel | Launch of Fixed Price February 2015 |
| Sainsbury's Energy | 16.01.2014 | 16.01.2014 | All | Launch of Fixed Price March 2018 |
| Sainsbury's Energy | 16.01.2014 | 16.01.2014 | Dual Fuel | Removal of Fix and Nectar May 2015 |
| Sainsbury's Energy | 09.01.2014 | 09.01.2014 | Dual Fuel | Price amendment of Fixed Price February 2015 |
| Green Energy (UK) plc | 07.01.2014 | 07.01.2014 | Electricity | Price amendment of Tap |
| Green Energy (UK) plc | 07.01.2014 | 07.01.2014 | Electricity | Price amendment of Still |
| Green Energy (UK) plc | 07.01.2014 | 07.01.2014 | Electricity | Price amendment of Sparkling |
| iSupplyEnergy | 07.01.2014 | 07.01.2014 | Electricity | Launch of iFix 201502 |
| iSupplyEnergy | 07.01.2014 | 07.01.2014 | Electricity | Removal of iFix 201501 |
| Spark Energy | 06.01.2014 | 06.01.2014 | All | Removal of Standard 2012 |
| Spark Energy | 06.01.2014 | 06.01.2014 | All | Removal of Standard Plus 5 |
| Spark Energy | 06.01.2014 | 06.01.2014 | All | Removal of Pay As You Go 3 |
| Spark Energy | 06.01.2014 | 06.01.2014 | All | Launch of Direct Debit Saver |
| Spark Energy | 06.01.2014 | 06.01.2014 | All | Launch of Monthly Premium |
| Spark Energy | 06.01.2014 | 06.01.2014 | All | Launch of PAYG Saver |
| EDF Energy | 12.11.2013 | 03.01.2014 | All | Price increase of Standard (Variable) |
| EDF Energy | 12.11.2013 | 03.01.2014 | All | Price updates for variable tariffs |
| ScottishPower | 03.01.2014 | 03.01.2014 | Electricity and Dual Fuel | Launch of Online Fixed Price Energy February 2015 v3 |
| ScottishPower | 03.01.2014 | 03.01.2014 | Dual Fuel | Removal of Online Fixed Price Energy February 2015 |
| British Gas | 05.12.2013 | 01.01.2014 | All | All tariffs reduced in cost by 3.2% in direct response to the Government's announcement |
| Sainsbury's Energy | 05.12.2013 | 01.01.2014 | All | All tariffs reduced in cost bu 3.2% in direct response to the Government's announcement |
| EDF Energy | 16.12.2013 | 31.12.2013 | Electricity and Dual Fuel | Structure changes to all existing fixed tariffs not currently for sale |
| OVO Energy | 23.12.2013 | 23.12.2013 | All | New version of New Energy Fixed |
| OVO Energy | 23.12.2013 | 23.12.2013 | Electricity and Dual Fuel | New version of Green Energy Fixed |
| OVO Energy | 23.12.2013 | 23.12.2013 | All | New version of New Energy + Ovo Just Reward |
| OVO Energy | 23.12.2013 | 23.12.2013 | Electricity and Dual Fuel | New version of Green Energy + Ovo Just Reward |
| Co-operative Energy | 23.12.2013 | 23.12.2013 | Electricity and Dual Fuel | Removal of Fixed March 2015 |
| Co-operative Energy | 23.12.2013 | 23.12.2013 | Electricity and Dual Fuel | Launch of Fixed Price July 2015 |
| Woodland Trust Energy | 23.12.2013 | 23.12.2013 | Electricity and Dual Fuel | New version of Green Energy Plan |
| Woodland Trust Energy | 23.12.2013 | 23.12.2013 | All | New version of New Energy Plan |
| npower | 17.12.2013 | 17.12.2013 | All | Launch of Price Fix August 2015 |
| npower | 17.12.2013 | 17.12.2013 | All | Removal of Price Fix April 2015 |
| Spark Energy | 17.12.2013 | 17.12.2013 | Dual Fuel | Removal of Spark Advance 2 |
| Spark Energy | 17.12.2013 | 17.12.2013 | Dual Fuel | Launch of Direct Debit Advance 3 |
| Ecotricity | 18.11.2013 | 16.12.2013 | Gas | New version of Green Gas - Tariff now includes a Standing charge. |
| Ecotricity | 18.11.2013 | 16.12.2013 | Dual Fuel | New version of Green Electricity - Tariff now includes a Standing Charge. |
| LoCO2 Energy | 16.12.2013 | 16.12.2013 | Electricity | Removal of Pocket+ |
| SSE | 13.12.2013 | 13.12.2013 | All | SSE have renamed all of their current tariffs |
| ScottishPower | 12.12.2013 | 12.12.2013 | Dual Fuel | Removal of Unifi Fixed Energy January 2015 |
| ScottishPower | 12.12.2013 | 12.12.2013 | Dual Fuel | Removal of Platinum Fixed Energy October 2015 |
| First Utility | 12.12.2013 | 12.12.2013 | Electricity and Dual Fuel | Launch of iSave Fixed v14 July 2015 |
| First Utility | 12.12.2013 | 12.12.2013 | Electricity and Dual Fuel | Removal of iSave Fixed v12 June 2015 |
| Telecom Plus | 08.11.2013 | 08.12.2013 | All | Launch of Value |
| Telecom Plus | 08.11.2013 | 08.12.2013 | All | Launch of Gold |
| Telecom Plus | 08.11.2013 | 08.12.2013 | All | Launch of Double Gold |
| Telecom Plus | 08.11.2013 | 08.12.2013 | All | Removal of Dual Fuel - High User |
| Telecom Plus | 08.11.2013 | 08.12.2013 | All | Removal of Dual Fuel - Low User |
| Telecom Plus | 08.11.2013 | 08.12.2013 | All | Removal of Dual Fuel - Medium User |
| Telecom Plus | 08.11.2013 | 08.12.2013 | All | Removal of Prepayment |
| E.ON | 06.12.2013 | 06.12.2013 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 2 Year v5 |
| E.ON | 06.12.2013 | 06.12.2013 | All | Launch of Age UK Fixed 2 Year v1 |
| E.ON | 06.12.2013 | 06.12.2013 | All | Launch of E.ON Energy Fixed 1 Year v6 |
| E.ON | 06.12.2013 | 06.12.2013 | Electricity and Dual Fuel | Removal of Age UK Fixed 1 Year v5 |
| E.ON | 06.12.2013 | 06.12.2013 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v5 |
| E.ON | 06.12.2013 | 06.12.2013 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 2 Year v4 |
| Better Energy | 05.12.2013 | 05.12.2013 | Gas | Removal of Online Saver 1 |
| Better Energy | 05.12.2013 | 05.12.2013 | Gas | Launch of Online Saver 2 |
| Zog Energy | 05.12.2013 | 05.12.2013 | Gas | Re-pricing of Mercury 12 - Gas prices aligned to electricity disribution areas |
| Zog Energy | 05.12.2013 | 05.12.2013 | Gas | Re-pricing of Mercury 24 - Gas prices aligned to electricity distribution areas |
| iSupplyEnergy | 04.12.2013 | 04.12.2013 | Electricity | Removal of iFix 201412 |
| iSupplyEnergy | 04.12.2013 | 04.12.2013 | Electricity | Launch of iFix 201501 |
| ScottishPower | 13.01.2014 | 02.12.2013 | Electricity and Dual Fuel | Launch of Online Fixed Price Energy February 2015 v2 - Only available for comparison purposes |
| npower | 21.10.2013 | 01.12.2013 | All | Price increase of Standard |
| npower | 21.10.2013 | 01.12.2013 | All | Updated prices for variable tariffs |
| ScottishPower | 24.10.2013 | 01.12.2013 | All | Updated prices for various tariffs |
| Utilita | 01.11.2013 | 01.12.2013 | All | Price amendment of energysaver |
| Utilita | 01.11.2013 | 01.12.2013 | Electricity and Dual Fuel | Price amendment of Smart Energy |
| Utilita | 01.11.2013 | 01.12.2013 | All | Price amendment of Standard |
| Co-operative Energy | 29.11.2013 | 29.11.2013 | Electricity and Dual Fuel | Launch of Fixed March 2015 |
| Co-operative Energy | 29.11.2013 | 29.11.2013 | Electricity and Dual Fuel | Launch of Fixed March 2016 |
| Green Star Energy | 28.11.2013 | 28.11.2013 | All | Launch of No Worries 12 Month Fixed 1311 |
| Green Star Energy | 28.11.2013 | 28.11.2013 | All | Launch of Rate Wise 12 Month Fixed 1311 |
| Green Star Energy | 28.11.2013 | 28.11.2013 | All | Removal of No Worries 12 Month Fixed 2310 |
| Green Star Energy | 28.11.2013 | 28.11.2013 | All | Removal of Rate Wise 12 Month Fixed 2310 |
| M&S Energy | 27.11.2013 | 27.11.2013 | Electricity and Dual Fuel | Removal of M&S Energy Fixed Price Dec 14 |
| British Gas | 17.10.2013 | 23.11.2013 | All | Price updates |
| Sainsbury's Energy | 17.10.2013 | 23.11.2013 | All | Updated prices |
| British Gas | 23.11.2013 | 23.11.2013 | All | Launch of Fix & Fall February 2015 |
| British Gas | 23.11.2013 | 23.11.2013 | Dual Fuel | Launch of Fix and Gift Card May 2015 |
| Sainsbury's Energy | 23.11.2013 | 23.11.2013 | Dual Fuel | Launch of Fix and Reward May 2015 |
| Sainsbury's Energy | 23.11.2013 | 23.11.2013 | Dual Fuel | Launch of Fix and Nectar May 2015 |
| Sainsbury's Energy | 23.11.2013 | 23.11.2013 | Electricity | Launch of Fixed Price February 2015 |
| British Gas | 23.11.2013 | 23.11.2013 | All | Removal of Fix and Fall November 2014 |
| British Gas | 23.11.2013 | 23.11.2013 | All | Removal of Fix and Fall November 2014 Prepay |
| British Gas | 23.11.2013 | 23.11.2013 | Electricity and Dual Fuel | Removal of Sustainable Energy November 2014 |
| Sainsbury's Energy | 23.11.2013 | 23.11.2013 | All | Removal of Fixed Price March 2015 |
| OVO Energy | 22.11.2013 | 22.11.2013 | Electricity and Dual Fuel | Launch of Green Energy + Ovo Just Reward |
| OVO Energy | 22.11.2013 | 22.11.2013 | All | Launch of New Energy + Ovo Just Reward |
| OVO Energy | 22.11.2013 | 22.11.2013 | All | New version of New Energy Fixed |
| OVO Energy | 22.11.2013 | 22.11.2013 | Electricity and Dual Fuel | New version of Green Energy Fixed |
| Woodland Trust Energy | 22.11.2013 | 22.11.2013 | All | New version of New Energy Plan |
| Woodland Trust Energy | 22.11.2013 | 22.11.2013 | All | New version of Green Energy Plan |
| SSE | 10.10.2013 | 15.11.2013 | All | Price increase of Standard Energy |
| M&S Energy | 10.10.2013 | 15.11.2013 | Updated prices for M&S Energy Standard Energy | |
| SSE | 10.10.2013 | 15.11.2013 | Updated prices for variable tariffs with standing charges | |
| EBICo | 10.10.2013 | 15.11.2013 | All | Updated prices for EquiDual, EquiPower and EquiGas |
| Co-operative Energy | 15.11.2013 | 15.11.2013 | Electricity and Dual Fuel | Launch of Fixed March 2017 |
| SSE | 15.11.2013 | 15.11.2013 | All | Removal of all "No Standing Charge" tariffs |
| Co-operative Energy | 14.11.2013 | 14.11.2013 | Electricity and Dual Fuel | Removal of Pioneer v5.0 |
| Co-operative Energy | 14.11.2013 | 14.11.2013 | Electricity and Dual Fuel | Launch of Pioneer v5.1 |
| Green Star Energy | 08.11.2013 | 08.11.2013 | All | Launch of No Worries 24 Month Fixed 1311 |
| Green Star Energy | 08.11.2013 | 08.11.2013 | All | Launch of Rate Wise 24 Month Fixed 1311 |
| Green Star Energy | 08.11.2013 | 08.11.2013 | All | Removal of No Worries 24 Month Fixed 2310 |
| Green Star Energy | 08.11.2013 | 08.11.2013 | All | Removal of Rate Wise 24 Month Fixed 2310 |
| LoCO2 Energy | 06.11.2013 | 06.11.2013 | Electricity | Launch of Pocket Fixed March 2017 |
| LoCO2 Energy | 06.11.2013 | 06.11.2013 | Electricity | Removal of Planet Fixed 3 |
| Zog Energy | 04.11.2013 | 04.11.2013 | Gas | Launch of Mercury 12 - New supplier. |
| Zog Energy | 04.11.2013 | 04.11.2013 | Gas | Launch of Mercury 24 - New supplier. |
| iSupplyEnergy | 02.11.2013 | 02.11.2013 | Electricity | Launch of iFix 201412 |
| iSupplyEnergy | 02.11.2013 | 02.11.2013 | Electricity | Removal of iFix 201411 |
| EDF Energy | 01.11.2013 | 01.11.2013 | All | Removal of Blue +Price Promise March 2015 |
| EDF Energy | 01.11.2013 | 01.11.2013 | All | Launch of Blue +Fixed Price April 2015 |
| ScottishPower | 31.10.2013 | 31.10.2013 | Electricity and Dual Fuel | Launch of Fixed Price Energy December 2015 |
| E.ON | 30.10.2013 | 30.10.2013 | Electricity and Dual Fuel | Removal of Age UK Fixed 1 Year v4 |
| E.ON | 30.10.2013 | 30.10.2013 | Electricity and Dual Fuel | Launch of Age UK Fixed 1 Year v5 |
| E.ON | 30.10.2013 | 30.10.2013 | Electricity and Dual Fuel | Removal of E.ON Energy Fixed 1 Year v4 |
| E.ON | 30.10.2013 | 30.10.2013 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v5 |
| Co-operative Energy | 30.10.2013 | 30.10.2013 | All | Price amendment of Pioneer v5.0 - Change of standing charge for West Midlands. |
| First Utility | 29.10.2013 | 29.10.2013 | Electricity and Dual Fuel | Removal of iSave Fixed v11 May 2015 |
| First Utility | 29.10.2013 | 29.10.2013 | Electricity and Dual Fuel | Launch of iSave Fixed v12 June 2015 |
| ScottishPower | 24.10.2013 | 24.10.2013 | Electricity and Dual Fuel | Launch of Online Fixed Price Energy February 2015 |
| ScottishPower | 24.10.2013 | 24.10.2013 | Electricity and Dual Fuel | Removal of Online Fixed Price Energy December 2014 |
| ScottishPower | 24.10.2013 | 24.10.2013 | Electricity and Dual Fuel | Removal of Online Fixed Price Energy March 2015 |
| Pioneer Energy | 22.10.2013 | 22.10.2013 | All | Launch of No Worries 12 Month Fixed 2310 |
| Pioneer Energy | 22.10.2013 | 22.10.2013 | All | Launch of No Worries 24 Month Fixed 2310 |
| Pioneer Energy | 22.10.2013 | 22.10.2013 | All | Launch of Rate Wise Variable |
| Pioneer Energy | 22.10.2013 | 22.10.2013 | All | Launch of Rate Wise 12 Month Fixed 2310 |
| Pioneer Energy | 22.10.2013 | 22.10.2013 | All | Launch of Rate Wise 24 Month Fixed 2310 |
| Pioneer Energy | 22.10.2013 | 22.10.2013 | All | Launch of No Worries Variable |
| Pioneer Energy | 22.10.2013 | 22.10.2013 | All | Removal of Fix 12 |
| Pioneer Energy | 22.10.2013 | 22.10.2013 | All | Removal of Fix 24 |
| Pioneer Energy | 22.10.2013 | 22.10.2013 | All | Removal of Variable |
| npower | 21.10.2013 | 21.10.2013 | All | Launch of Price Protector March 2017 |
| npower | 21.10.2013 | 21.10.2013 | All | Removal of Online Price Fix November 2014 |
| npower | 21.10.2013 | 21.10.2013 | All | Removal of Price Protector March 2017 |
| Co-operative Energy | 21.10.2013 | 21.10.2013 | All | Removal of Pioneer v4.0 |
| Co-operative Energy | 21.10.2013 | 21.10.2013 | All | Launch of Pioneer v5.0 |
| First Utility | 21.10.2013 | 21.10.2013 | Dual Fuel | Removal of iSave v15 |
| First Utility | 21.10.2013 | 21.10.2013 | Electricity | Removal of iSave v15 Electricity Only |
| First Utility | 21.10.2013 | 21.10.2013 | Dual Fuel | Removal of iSave v16 |
| First Utility | 21.10.2013 | 21.10.2013 | Electricity | Removal of iSave v16 Electricity Only |
| First Utility | 21.10.2013 | 21.10.2013 | Electricity and Dual Fuel | Removal of iSave Fixed v9 April 2015 |
| First Utility | 21.10.2013 | 21.10.2013 | Electricity and Dual Fuel | Launch of iSave Fixed v11 May 2015 |
| British Gas | 17.10.2013 | 17.10.2013 | All | Launch of Standard |
| British Gas | 17.10.2013 | 17.10.2013 | All | Launch of Fix and Fall November 2014 |
| British Gas | 17.10.2013 | 17.10.2013 | All | Launch of Fixed Price March 2016 |
| British Gas | 17.10.2013 | 17.10.2013 | All | Removal of Clear and Simple |
| British Gas | 17.10.2013 | 17.10.2013 | All | Removal of Fixed Price October 2014 |
| British Gas | 17.10.2013 | 17.10.2013 | All | Removal of Price Promise July 2015 |
| Sainsbury's Energy | 17.10.2013 | 17.10.2013 | All | Launch of Standard |
| Sainsbury's Energy | 17.10.2013 | 17.10.2013 | All | Removal of Clear and Simple |
| Sainsbury's Energy | 17.10.2013 | 17.10.2013 | Dual Fuel | Removal of Online October 2014 |
| Sainsbury's Energy | 17.10.2013 | 17.10.2013 | All | Removal of Price Promise July 2015 |
| ScottishPower | 17.10.2013 | 17.10.2013 | All | Removal of Standard Energy - No Standing Charge |
| ScottishPower | 17.10.2013 | 17.10.2013 | All | Removal of No Standing Charge |
| ScottishPower | 17.10.2013 | 17.10.2013 | All | Removal of Online Energy - No Standing Charge |
| Pioneer Energy | 14.10.2013 | 14.10.2013 | All | New version of Variable |
| Pioneer Energy | 14.10.2013 | 14.10.2013 | All | New version of Fix 12 |
| Pioneer Energy | 14.10.2013 | 14.10.2013 | All | New version of Fix 24 |
| ScottishPower | 14.10.2013 | 14.10.2013 | Electricity and Dual Fuel | Removal of Fixed Price Energy March 2015 |
| ScottishPower | 14.10.2013 | 14.10.2013 | Electricity and Dual Fuel | Removal of Fixed Price Energy March 2015 (v2) |
| Daligas | 12.10.2013 | 12.10.2013 | Gas | Removal of Daligas One |
| Daligas | 12.10.2013 | 12.10.2013 | Gas | Launch of Daligas One (1 year Fixed Price) |
| ScottishPower | 12.10.2013 | 12.10.2013 | Electricity and Dual Fuel | Launch of Online Fixed Price Energy March 2015 |
| iSupplyEnergy | 11.10.2013 | 11.10.2013 | All | Removal of iFix 201410 |
| iSupplyEnergy | 11.10.2013 | 11.10.2013 | All | Launch of iFix 201411 - Launch of iFix 201411 |
| SSE | 10.10.2013 | 10.10.2013 | Relaunch of 1 yr Fixed Price Plan as only available for monthly direct debit and via paperless billing | |
| SSE | 10.10.2013 | 10.10.2013 | All | Launch of 2 Year Fixed Price - Launch of 2 Year Fixed Price |
| M&S Energy | 10.10.2013 | 10.10.2013 | Launch of M&S Energy Fixed Price Dec 14 | |
| nPower | 08.10.2013 | 08.10.2013 | Launch of Price Fix April 2015 | |
| nPower | 08.10.2013 | 08.10.2013 | Removal of Fix December 2015 | |
| EDF Energy | 03.10.2013 | 03.10.2013 | Launch of Blue +Price Promise March 2015 | |
| EDF Energy | 03.10.2013 | 03.10.2013 | Launch of Blue +Price Freeeeze March 2017 | |
| EDF Energy | 03.10.2013 | 03.10.2013 | Removal of Blue +Price Promise December 2014 | |
| EDF Energy | 03.10.2013 | 03.10.2013 | Removal of Blue +Price Freeeeze November 2016 | |
| Scottish Power | 01.10.2013 | 01.10.2013 | Launch of Unifi Fixed Energy January 2015 | |
| Scottish Power | 01.10.2013 | 01.10.2013 | Removal of Unifi Fixed Energy November 2014 | |
| LoCo2 Energy | 01.10.2013 | 01.10.2013 | Price changes for "Standard" rate on Pocket, Pocket+ and Planet | |
| Spark Energy | 01.10.2013 | 01.10.2013 | Launch of Standard Plus 5 and Pay As You Go 3 | |
| Spark Energy | 01.10.2013 | 01.10.2013 | Removal of Standard Plus 4 and Pay As You Go 2 | |
| M & S Energy | 01.10.2013 | 01.10.2013 | Removal of Fix & Save | |
| Woodland Trust Energy | 27.09.2013 | 27.09.2013 | Change of prices for Green Energy and New Energy | |
| Pioneer Energy | 26.09.2013 | 26.09.2013 | New version of Variable | |
| First Utility | 26.09.2013 | 26.09.2013 | Launch of iSave Fixed v9 April 2015 | |
| Pioneer Energy | 25.09.2013 | 25.09.2013 | Removal of Fixed 18 | |
| Pioneer Energy | 25.09.2013 | 25.09.2013 | New version of Fix 12 | |
| Pioneer Energy | 25.09.2013 | 25.09.2013 | New version of Fix 24 | |
| SSE | 23.09.2013 | 23.09.2013 | Adjustment of prices for Prepayment Standard (SC) | |
| Scottish Power | 21.09.2013 | 21.09.2013 | Launch of Online Price Energy December 2014 | |
| Scottish Power | 21.09.2013 | 21.09.2013 | Removal of Online Price Energy November 2014 | |
| Spark Energy | 18.09.2013 | 18.09.2013 | Launch of Spark Advance 2 | |
| OVO Energy | 17.09.2013 | 17.09.2013 | Prices reduced for Green Energy Fixed and New Energy Fixed in some areas | |
| iSupply Energy | 10.09.2013 | 10.09.2013 | Launch of iFix 201410 | |
| iSupply Energy | 10.09.2013 | 10.09.2013 | Removal of iFix 201409 | |
| nPower | 09.09.2013 | 09.09.2013 | Launch of Online Price Fix November 2014 | |
| nPower | 09.09.2013 | 09.09.2013 | Launch of Price Protector March 2017 | |
| nPower | 09.09.2013 | 09.09.2013 | Removal of Online Price Fix October 2014 | |
| nPower | 09.09.2013 | 09.09.2013 | Removal of Price Protector September 2016 | |
| nPower | 09.09.2013 | 09.09.2013 | Removal of Energy Online October 2014 | |
| First Utility | 06.09.2013 | 06.09.2013 | Launch of iSave Fixed v10 January 2016 | |
| Scottish Power | 02.09.2013 | 02.09.2013 | Removal of Online Energy Saver 23 | |
| LoCO2 Energy | 02.09.2013 | 02.09.2013 | Change of prices for Pocket, Pocket Plus and Planet tariffs | |
| Scottish Power | 30.08.2013 | 30.08.2013 | Removal of Help Beat Cancer Discounted Energy October 2014. | |
| Scottish Power | 30.08.2013 | 30.08.2013 | Launch of Help Beat Cancer Fixed Price Energy January 2017 | |
| British Gas | 30.08.2013 | 30.08.2013 | Removal of Online Variable August 2014 | |
| British Gas | 30.08.2013 | 30.08.2013 | Launch of Price Promise July 2015. | |
| British Gas | 30.08.2013 | 30.08.2013 | Re-priced Fixed Price October 2014 and now only available as dual fuel. | |
| Sainsbury's Energy | 30.08.2013 | 30.08.2013 | Removal of Fixed Price October 2014 | |
| Sainsbury's Energy | 30.08.2013 | 30.08.2013 | Launch of Price Promise July 2015. | |
| ScottishPower | 29.08.2013 | 29.08.2013 | Removal of Fixed Price Energy February 2016 | |
| ScottishPower | 29.08.2013 | 29.08.2013 | Launch of Fixed Price Energy March 2015 (v2) | |
| EDF Energy | 28.08.2013 | 28.08.2013 | Removal of Blue +Price Promise September 2014 | |
| EDF Energy | 28.08.2013 | 28.08.2013 | Launch of Blue +Price Promise December 2014 | |
| M & S Energy | 09.08.2013 | 09.08.2013 | Change of price for Fix and Save and paperless billing now mandatory. | |
| Pioneer Energy | 09.08.2013 | 09.08.2013 | Launch of four gas tariffs, Variable, Fix 12, Fix 18 and Fix 24 | |
| npower | 08.08.2013 | 08.08.2013 | Removal of Price Fix December 2015 | |
| npower | 08.08.2013 | 08.08.2013 | Removal of Online Price Fix February 2015 | |
| npower | 08.08.2013 | 08.08.2013 | Removal of Price Fix September 2016 | |
| npower | 08.08.2013 | 08.08.2013 | Launch of Online Price Fix October 2014 | |
| npower | 08.08.2013 | 08.08.2013 | Launch of Fix December 2015 | |
| npower | 08.08.2013 | 08.08.2013 | Launch of Price Protector September 2016 | |
| Flow Energy | 08.08.2013 | 08.08.2013 | Removal of Thames Fixed Online September 2014 | |
| iSupply Energy | 07.08.2013 | 07.08.2013 | Launch of iFix 201409 | |
| iSupply Energy | 07.08.2013 | 07.08.2013 | Removal of iFix 201408 | |
| Co-operative Energy | 02.08.2013 | 02.08.2013 | Tariff for comparison purposes only - Fixed April 2014 | |
| Better Energy | 01.08.2013 | 01.08.2013 | Launch of new supplier and new tariff Better Energy | |
| Pioneer Energy | 01.08.2013 | 01.08.2013 | Launch of new supplier Pioneer Energy | |
| Pioneer Energy | 01.08.2013 | 01.08.2013 | Launch of new tariff Variable | |
| Pioneer Energy | 01.08.2013 | 01.08.2013 | Launch of new tariff Fix 12 | |
| Pioneer Energy | 01.08.2013 | 01.08.2013 | Launch of new tariff Fix 18 | |
| Pioneer Energy | 01.08.2013 | 01.08.2013 | Launch of new tariff Fix 24 | |
| Green Energy | 26.07.2013 | 26.07.2013 | Launch of new tariff Tap | |
| Green Energy | 26.07.2013 | 26.07.2013 | Renamed Pale Green as Still | |
| Green Energy | 26.07.2013 | 26.07.2013 | Renamed Deep Green as Sparkling | |
| nPower | 22.07.2013 | 22.07.2013 | Updated prices for Standard | |
| Ecotricity | 17.07.2013 | 17.07.2013 | Renaming of New Energy as Green Electricity | |
| Ecotricity | 17.07.2013 | 17.07.2013 | Removal of New Energy Plus | |
| E.ON Energy | 15.07.2013 | 15.07.2013 | Removal of E.ON Energy Discount | |
| E.ON Energy | 15.07.2013 | 15.07.2013 | Removal of E.ON Prepayment Reward | |
| E.ON Energy | 15.07.2013 | 15.07.2013 | Removal of Age UK Fixed 1 year v3 | |
| E.ON Energy | 15.07.2013 | 15.07.2013 | Launch of Age UK Fixed 1 year v4 | |
| E.ON Energy | 15.07.2013 | 15.07.2013 | Removal of E.ON Energy Fixed 1 year v3 | |
| E.ON Energy | 15.07.2013 | 15.07.2013 | Launch of E.ON Energy Fixed 1 year v4 | |
| E.ON Energy | 15.07.2013 | 15.07.2013 | Removal of E.ON Energy Fixed 2 year v3 | |
| E.ON Energy | 15.07.2013 | 15.07.2013 | Launch of E.ON Energy Fixed 2 year v4 | |
| SSE | 15.07.2013 | 15.07.2013 | Removal of Discounted Energy April 2015 Prepayment | |
| SSE | 15.07.2013 | 15.07.2013 | Launch of 1 yr Fixed Price Plan | |
| SSE | 13.07.2013 | 13.07.2013 | Removal of 2yr Capped Price Plan 2 | |
| SSE | 13.07.2013 | 13.07.2013 | Removal of Discounted Energy April 2015 | |
| SSE | 13.07.2013 | 13.07.2013 | Removal of Discount Energy Bonus Oct 2014 | |
| SSE | 13.07.2013 | 13.07.2013 | Removal of Oplan | |
| British Gas | 12.07.2013 | 12.07.2013 | Removal of Price Promise April 2015 | |
| British Gas | 12.07.2013 | 12.07.2013 | Removal of Price Promise July 2014 | |
| British Gas | 12.07.2013 | 12.07.2013 | Launch of Fixed Price October 2014 | |
| ScottishPower | 12.07.2013 | 12.07.2013 | Removal of Online Fixed Price Energy October 2014 | |
| ScottishPower | 12.07.2013 | 12.07.2013 | Launch of Online Fixed price Energy November 2014 | |
| Sainsbury's Energy | 12.07.2013 | 12.07.2013 | Removal of Price Promise July 2014 | |
| Sainsbury's Energy | 12.07.2013 | 12.07.2013 | Removal of Price Check July 2014 | |
| Sainsbury's Energy | 12.07.2013 | 12.07.2013 | Launch of Fixed Price October 2014 | |
| Sainsbury's Energy | 12.07.2013 | 12.07.2013 | Removal of Online July 2014 | |
| Sainsbury's Energy | 12.07.2013 | 12.07.2013 | Launch of Online October 2014 | |
| iSupply Energy | 10.07.2013 | 10.07.2013 | Removal from sale of iFix 201407 | |
| iSupply Energy | 10.07.2013 | 10.07.2013 | Launch of iFix 201408 | |
| ScottishPower | 10.07.2013 | 10.07.2013 | Removal of Help Beat Cancer Discounted Energy February 2015 | |
| ScottishPower | 10.07.2013 | 10.07.2013 | Launch of Help Beat Cancer Discounted Energy October 2014 | |
| ScottishPower | 08.07.2013 | 08.07.2013 | Removal of Online Energy Saver 22 | |
| ScottishPower | 08.07.2013 | 08.07.2013 | Launch of Online Energy Online 23 | |
| EDF Energy | 03.07.2013 | 03.07.2013 | Removal of Blue +Price Promise February 2015 | |
| EDF Energy | 03.07.2013 | 03.07.2013 | Launch of Blue +Price Promise September 2014 | |
| EDF Energy | 03.07.2013 | 03.07.2013 | Blue +Price Freeeeze November 2016 | |
| npower | 15.05.2013 | 01.07.2013 | Updated prices for Energy Online January 2014 | |
| nPower | 01.07.2013 | 01.07.2013 | Removal from sale of Go Save | |
| nPower | 01.07.2013 | 01.07.2013 | Removal from sale of Juice | |
| LoCO2 Energy | 01.07.2013 | 01.07.2013 | Removal from sale of Pocket Fixed 7 | |
| LoCO2 Energy | 01.07.2013 | 01.07.2013 | Launch of Pocket Fixed 8 | |
| LoCO2 Energy | 01.07.2013 | 01.07.2013 | Removal from sale of Planet Fixed 2 | |
| LoCO2 Energy | 01.07.2013 | 01.07.2013 | Launch of Planet Fixed 3 | |
| First Utility | 26.06.2013 | 26.06.2013 | Launch of iSave v16 | |
| nPower | 21.06.2013 | 21.06.2013 | Launch of Energy Online October 2014 | |
| nPower | 21.06.2013 | 21.06.2013 | Removal of Energy Online August 2014 | |
| M&S Energy | 17.06.2013 | 17.06.2013 | Launch of Fix & Save | |
| M&S Energy | 17.06.2013 | 17.06.2013 | Removal of M&S Energy Capped Price | |
| First Utility | 14.06.2013 | 14.06.2013 | Launch of E7 versions of iSave Fixed v8 September 2013 and iSave v15 and iSave v15 Electricity only | |
| ScottishPower | 11.06.2013 | 11.06.2013 | Launch of Fixed Price Energy March 2015 | |
| nPower | 10.06.2013 | 10.06.2013 | Removal of Online Price Fix August 2014 | |
| nPower | 10.06.2013 | 10.06.2013 | Launch of Online Price Fix February 2015 | |
| iSupply Energy | 06.06.2013 | 06.06.2013 | Launch of iFix 201407 | |
| iSupply Energy | 06.06.2013 | 06.06.2013 | Removal from sale of iFix 201406 | |
| ScottishPower | 05.06.2013 | 05.06.2013 | Removal of Platinum Fixed Energy April 2015 | |
| ScottishPower | 05.06.2013 | 05.06.2013 | Launch of Platinum Fixed Energy October 2015 | |
| British Gas | 30.05.2013 | 30.05.2013 | Removal of Online Variable May 2014 | |
| British Gas | 30.05.2013 | 30.05.2013 | Launch of Online Variable August 2014 | |
| ScottishPower | 27.05.2013 | 27.05.2013 | Launch of Unifi Fixed November 2014 | |
| Spark Energy | 24.05.2013 | 24.05.2013 | Removal from sale of Spark Advance | |
| ScottishPower | 23.05.2013 | 23.05.2013 | Changed Fixed Price Energy February 2016 to only monthly direct debit payment option. | |
| npower | 23.05.2013 | 23.05.2013 | Removal of Online Price Fix December 2014 | |
| ScottishPower | 20.05.2013 | 20.05.2013 | Removal of Online Fixed Price Energy August 2014 | |
| ScottishPower | 20.05.2013 | 20.05.2013 | Launch of Online Fixed price Energy October 2014 | |
| ScottishPower | 20.05.2013 | 20.05.2013 | Removal of Simply Green Energy June 2015 | |
| Ecotricity | 17.04.2013 | 13.05.2013 | Updated prices for New Energy and New Energy Plus | |
| npower | 10.05.2013 | 10.05.2013 | Launch of Online Price Fix August 2014 | |
| npower | 10.05.2013 | 10.05.2013 | Launch of Price Fix September 2016 | |
| npower | 10.05.2013 | 10.05.2013 | Removal of Online Price Fix June 2014 from sale | |
| Co-operative Energy | 09.04.2013 | 09.05.2013 | Updated prices for existing customers | |
| ScottishPower | 09.05.2013 | 09.05.2013 | Launch of Launch of Online Energy Saver 22 and removal of Launch of Online Energy Saver 21 | |
| iSupply Energy | 08.05.2013 | 08.05.2013 | Launch of iFix 201406 | |
| iSupply Energy | 08.05.2013 | 08.05.2013 | Removal of iFix 201405 | |
| nPower | 15.03.2013 | 01.05.2013 | New pricing structure for all tariffs | |
| LoCO2 Energy | 01.05.2013 | 01.05.2013 | Removed from sale Pocket Fixed 6 | |
| LoCO2 Energy | 01.05.2013 | 01.05.2013 | Launch of Pocket Fixed 7 | |
| Sainsburys Energy | 30.04.2013 | 30.04.2013 | Removal from sale of Price Check April 2014 and Online April 2014 | |
| Sainsburys Energy | 30.04.2013 | 30.04.2013 | Launch of Price Check July 2014 and Online July 2014 | |
| Woodland Trust Energy | 29.04.2013 | 29.04.2013 | Launch of new supplier with New Energy Plan and Green Energy Plan tariffs | |
| ScottishPower | 25.04.2013 | 25.04.2013 | Removal from sale of Fixed Price Energy April 2015 | |
| ScottishPower | 25.04.2013 | 25.04.2013 | Launch of Fixed Price Energy February 2016 | |
| First Utility | 16.04.2013 | 16.04.2013 | Removal from sale of iSave Fixed v7 September 2014 | |
| First Utility | 16.04.2013 | 16.04.2013 | Launch of iSave Fixed v8 September 2014 | |
| npower | 15.04.2013 | 15.04.2013 | Removal from sale of Online Price Fix May 2014 | |
| npower | 15.04.2013 | 15.04.2013 | Launch of Online Price Fix June 2014 | |
| npower | 15.04.2013 | 15.04.2013 | Launch of Online Price Fix December 2014 | |
| OVO Energy | 11.04.2013 | 11.04.2013 | Updated prices for New Energy Fixed and Green Energy Fixed | |
| OVO Energy | 11.04.2013 | 11.04.2013 | Updated prices for New Energy Variable and Green Energy Variable | |
| iSupply Energy | 09.04.2013 | 09.04.2013 | Launch of iFix201405 | |
| iSupply Energy | 09.04.2013 | 09.04.2013 | Removal from sale of iFix201404 | |
| EDF Energy | 09.04.2013 | 09.04.2013 | Launch of Blue +Price Promise February 2015 | |
| EDF Energy | 09.04.2013 | 09.04.2013 | Removal from sale of Blue +Price Promise June 2014 | |
| First Utility | 05.04.2013 | 05.04.2013 | Removal from sale of iSave v14 and iSave v14 Electricity Only | |
| First Utility | 05.04.2013 | 05.04.2013 | Launch of iSave v15 and iSave v15 Electricity Only | |
| Flow Energy | 02.04.2013 | 02.04.2013 | Launch of new supplier and new tariff Thames Fixed Online Sept 2014 | |
| Telecom Plus | 13.02.2013 | 01.04.2013 | Updated prices for Low User/Medium User/High User | |
| First Utility | 26.03.2013 | 26.03.2013 | Launch of Smart Homes Variable v2.0 for comparison only | |
| SSE | 25.03.2013 | 25.03.2013 | Removal from sale of Discount Energy Bonus May 2014 | |
| SSE | 25.03.2013 | 25.03.2013 | Launch of Discount Energy Bonus Oct 2014 | |
| ScottishPower | 18.03.2013 | 18.03.2013 | Removal from sale of Online Fixed Price September 2014 | |
| ScottishPower | 18.03.2013 | 18.03.2013 | Launch of Online Fixed Price Energy August 2014 | |
| nPower | 15.03.2013 | 15.03.2013 | Launch of Online Price Fix May 2014 | |
| nPower | 15.03.2013 | 15.03.2013 | Launch of Price Fix December 2015 | |
| nPower | 15.03.2013 | 15.03.2013 | Removal of Go Fix April 2014 from sale | |
| nPower | 15.03.2013 | 15.03.2013 | Removal of Energy Online May 2014 from sale | |
| ScottishPower | 14.03.2013 | 14.03.2013 | Removal from sale of Unif Fixed Energy May 2014 | |
| nPower | 08.03.2013 | 08.03.2013 | Launch of Energy Online May 2014 for comparison only | |
| iSupplyEnergy | 07.03.2013 | 07.03.2013 | Launch of iFix201404 | |
| iSupplyEnergy | 07.03.2013 | 07.03.2013 | Removal from sale of iFix201403 | |
| nPower | 07.03.2013 | 07.03.2013 | Removal from sale of Football 45 | |
| EDF Energy | 04.03.2013 | 04.03.2013 | Removal of Blue +Fixed Price March 2015 from sale | |
| First Utility | 26.02.2013 | 26.02.2013 | Removal of iSave Fixed v6 April 2014 | |
| First Utility | 26.02.2013 | 26.02.2013 | Launch of iSave Fixed v7 September 2014 | |
| First Utility | 26.02.2013 | 26.02.2013 | Launch of iSave Everyday DFD for comparison | |
| SSE | 25.02.2013 | 25.02.2013 | Removal of Discount Energy Bonus April 2015 | |
| SSE | 25.02.2013 | 25.02.2013 | Launch of Discount Energy Bonus May 2014 | |
| British Gas | 22.02.2013 | 22.02.2013 | Launch of Online Variable May 2014 | |
| British Gas | 22.02.2013 | 22.02.2013 | Launch of Price Promise July 2014 | |
| British Gas | 22.02.2013 | 22.02.2013 | Launch of Price Promise April 2015 | |
| British Gas | 22.02.2013 | 22.02.2013 | Removal of Online Variable February 2014 | |
| British Gas | 22.02.2013 | 22.02.2013 | Removal of Fix & Fall March 2014 | |
| Sainsburys Energy | 22.02.2013 | 22.02.2013 | Launch of Price Promise July 2014 | |
| nPower | 21.02.2013 | 21.02.2013 | Removal of Price Protector March 2014 | |
| First Utility | 21.02.2013 | 21.02.2013 | Launch of iSave Everyday | |
| nPower | 15.02.2013 | 15.02.2013 | Updated prices for Energy Online October 2013 | |
| nPower | 13.02.2013 | 13.02.2013 | Launch of Go Fix April 2014 | |
| nPower | 13.02.2013 | 13.02.2013 | Removal of Price Protector March 2014 | |
| nPower | 13.02.2013 | 13.02.2013 | Supplier re-instated Price Protector March 2014 for sale | |
| Co-operative Energy | 12.02.2013 | 12.02.2013 | Removal from sale of Pioneer v3.0 | |
| Co-operative Energy | 12.02.2013 | 12.02.2013 | Launch of Pioneer v4.0 | |
| ScottishPower | 11.02.2013 | 11.02.2013 | Launch of Online Energy Saver 21 | |
| iSupplyEnergy | 06.02.2013 | 06.02.2013 | Launch of iFix201403 | |
| iSupplyEnergy | 06.02.2013 | 06.02.2013 | Removal of iFix201402 | |
| Daligas | 06.02.2013 | 06.02.2013 | Removal of Daligas One at this time at the request of supplier | |
| Daligas | 01.02.2013 | 01.02.2013 | Launch of new supplier and new tariff Daligas One | |
| Sainsburys Energy | 31.01.2013 | 31.01.2013 | Removal from sale of Online January 2014 | |
| Sainsburys Energy | 31.01.2013 | 31.01.2013 | Launch of Online April 2014 | |
| Sainsburys Energy | 31.01.2013 | 31.01.2013 | Removal from sale of Price Check January 2014 | |
| Sainsburys Energy | 31.01.2013 | 31.01.2013 | Launch of Price Check April 2014 | |
| Ecotricity | 21.12.2012 | 21.01.2013 | Updated prices for New Energy and New Energy Plus | |
| E.ON | 10.12.2012 | 18.01.2013 | Updated prices for all tariffs | |
| SSE | 17.01.2013 | 17.01.2013 | Launch of Discount Energy Bonus April 2015 | |
| iSupplyEnergy | 08.01.2013 | 08.01.2013 | Removal of iFix 201401 | |
| iSupplyEnergy | 08.01.2013 | 08.01.2013 | Launch of sixth version of the iSupply fixed tariff iFix 201402 | |
| SSE | 08.01.2013 | 08.01.2013 | Removal of Fixed Discount December 2014 | |
| SSE | 08.01.2013 | 08.01.2013 | Launch of Discounted Energy April 2015 | |
| M&S Energy | 08.01.2013 | 08.01.2013 | Removal of M&S Energy Fixed Price 2 | |
| M&S Energy | 08.01.2013 | 08.01.2013 | Launch of M&S Energy Capped Price | |
| Sainsburys Energy | 14.01.2013 | 08.01.2013 | Returning for sale of Price Check January 2014 | |
| Sainsburys Energy | 12.01.2013 | 08.01.2013 | Updated prices for Price Check January 2014 and Price Check September 2013 | |
| nPower | 07.01.2013 | 07.01.2013 | Removal of Energy Online April 2014 | |
| nPower | 07.01.2013 | 07.01.2013 | Launch of Energy Online August 2014 | |
| Ecotricity | 15.11.2012 | 01.01.2013 | Updated prices for New Energy and New Energy Plus | |
| ScottishPower | 21.12.2012 | 21.12.2012 | Removal from sale of Online Fixed Price Energy May 2014 | |
| ScottishPower | 21.12.2012 | 21.12.2012 | Launch of Online Fixed Price Energy September 2014 | |
| Co-operative Energy | 17.11.2012 | 20.12.2012 | update of Pioneer v3 and removal of Pioneer v4 and v5 | |
| Sainsbury Energy | 20.12.2012 | 20.12.2012 | Removal from sale of Price Check January 2014 | |
| First Utility | 14.12.2012 | 14.12.2012 | Launch of iSave v14 and iSave Fixed v6 April 2014 | |
| iSupplyEnergy | 11.12.2012 | 11.12.2012 | Launch of fifth version of the iSupply fixed tariff iFix 201401 | |
| iSupplyEnergy | 11.12.2012 | 11.12.2012 | Removal of iFix 201312 | |
| E.ON | 10.12.2012 | 10.12.2012 | Removal of Age UK Fixed 1 year v2, E.ON Energy Fixed 1 year v2, E.ON Energy Fixed 2 year v2. | |
| E.ON | 10.12.2012 | 10.12.2012 | Launch of Age UK Fixed 1 year v3, E.ON Energy Fixed 1 year v3, E.ON Energy Fixed 2 year v3. | |
| EDF Energy | 26.10.2012 | 07.12.2012 | update of Standard variable tariff, Eco20:20 and Green | |
| Spark Energy | 07.12.2012 | 07.12.2012 | Launch of Standard 2012 | |
| ScottishPower | 05.12.2012 | 05.12.2012 | Launch of Help Beat Cancer Discounted Energy February 2015 | |
| Good Energy | 17.12.2012 | 05.12.2012 | Updated electricity prices for Good Energy and 100% South West tariffs | |
| ScottishPower | 04.12.2012 | 04.12.2012 | Launch of Unifi Fixed Energy May 2014 | |
| ScottishPower | 04.12.2012 | 04.12.2012 | Removal of Help Beat Cancer Discounted Energy August 2015 from sale | |
| ScottishPower | 15.10.2012 | 03.12.2012 | Increase in gas and electricity costs across all variable tariffs | |
| SSE | 03.12.2012 | 03.12.2012 | Removal of Standard Energy for prepayment | |
| SSE | 03.12.2012 | 03.12.2012 | Launch of Prepayment Standard | |
| SSE | 03.12.2012 | 03.12.2012 | Launch of Prepayment Discounted Energy April 2015 | |
| LoCO2 Energy | 03.12.2012 | 03.12.2012 | New Pocket Fixed 6 to replace Pocket Fixed 5 | |
| M&S Energy | 29.10.2012 | 02.12.2012 | Updated prices for Standard Energy and Standard Energy No Standing Charge | |
| EBICo | 30.10.2012 | 02.12.2012 | Updated prices for equipower | |
| Utilita | 22.11.2012 | 01.12.2012 | Increase in prices for energysaver, smart energy and standard | |
| Telecom Plus | 29.10.2012 | 01.12.2012 | Updated prices for all tariffs | |
| EDF Energy | 30.11.2012 | 30.11.2012 | Launch of Blue +Price Promise June 2014 and Blue +Price Promise June 2014 (Gas Carbon Offset) | |
| Ovo Energy | 29.11.2012 | 30.11.2012 | Updated prices for New Energy Fixed and Green Energy Fixed | |
| LoCO2 Energy | 03.12.2012 | 30.11.2012 | New Planet Fixed 2 to replace Planet Fixed | |
| British Gas | 28.11.2012 | 27.11.2012 | Removal of Online Variable November 2013 | |
| British Gas | 28.11.2012 | 27.11.2012 | Launch of Online Variable February 2014 | |
| Sainsbury Energy | 28.11.2012 | 27.11.2012 | Removal of Price Pledge November 2013 | |
| npower | 12.10.2012 | 26.11.2012 | Increase in gas and electricity costs across all variable tariffs | |
| ScottishPower | 21.11.2012 | 21.11.2012 | Launch of Platinum Fixed Energy April 2015 | |
| British Gas | 12.10.2012 | 16.11.2012 | All variable price tariffs updated. | |
| Sainsbury's Energy | 12.10.2012 | 16.11.2012 | All variable price tariffs updated. | |
| British Gas | 12.10.2012 | 16.11.2012 | Launch of Fix & Fall March 2014, Fix and Fall November 2013 | |
| Sainsbury's Energy | 12.10.2012 | 16.11.2012 | Launch of Price Pledge November 2013 | |
| British Gas | 15.11.2012 | 16.11.2012 | Removal of Fix and Fall November 2013 from sale | |
| nPower | 16.11.2012 | 16.11.2012 | Removal of Energy Online January 2014 from sale | |
| LoCO2 Energy | 17.11.2012 | 16.11.2012 | Updated prices for all tariffs | |
| First Utility | 15.11.2012 | 15.11.2012 | Removal of iSave v12 from sale | |
| iSupplyEnergy | 07.11.2012 | 07.11.2012 | Launch of fourth version of the iSupply fixed tariff iFix 201312 | |
| iSupplyEnergy | 07.11.2012 | 07.11.2012 | Removal of iFix 201311 | |
| E.ON | 06.11.2012 | 06.11.2012 | Removal of Age UK Fixed 1year, E.ON Energy Fixed 1 year, E.ON Energy Fixed 2 year | |
| E.ON | 06.11.2012 | 06.11.2012 | Launch of Age UK Fixed 1 year v2, E.ON Energy Fixed 1 year v2, E.ON Energy Fixed 2 year v2 | |
| ScottishPower | 02.11.2012 | 02.11.2012 | Removal of Platinum Fixed Energy November 2014 | |
| Utilita | 23.10.2012 | 01.11.2012 | Price change for Smart Energy in the Northern area | |
| EDF Energy | 29.10.2012 | 30.10.2012 | Removal of Green from sale | |
| ScottishPower | 29.10.2012 | 29.10.2012 | Removal of Online Fixed Price Energy April 2014 from sale | |
| ScottishPower | 29.10.2012 | 29.10.2012 | Launch of Online Fixed Price Energy May 2014 | |
| M&S Energy | 29.10.2012 | 29.10.2012 | Removal of Standard Energy No Standing Charge from sale | |
| Telecom Plus | 06.11.2012 | 29.10.2012 | Updated prices for standard and prepayment | |
| EDF Energy | 26.10.2012 | 26.10.2012 | Launch of Blue +Fixed Price March 2015 and removal of Blue +Price Promise May 2014 from sale | |
| Ovo | 24.10.2012 | 24.10.2012 | Updated prices for New Energy Fixed and Green Energy Fixed | |
| First Utility | 18.10.2012 | 18.10.2012 | Removal of iSave Fixed v4 from sale | |
| First Utility | 17.10.2012 | 17.10.2012 | Removal of iSave Fixed v4 and iSave v12 | |
| First Utility | 17.10.2012 | 17.10.2012 | Launch of iSave Fixed v5 and iSave v13 | |
| First Utility | 17.10.2012 | 17.10.2012 | After launch First Utility removed iSave Fixed v5 and iSave v13 and returned to iSave Fixed v4 and iSave v12 | |
| npower | 12.10.2012 | 12.10.2012 | Launch of Price Protector March 2014 | |
| npower | 12.10.2012 | 12.10.2012 | Launch of Energy Online April 2014 | |
| Spark Energy | 08.10.2012 | 08.10.2012 | Removal of Tenant Direct | |
| Spark Energy | 08.10.2012 | 08.10.2012 | Launch of Spark Advance | |
| LoCo2 Energy | 02.10.2012 | 02.10.2012 | Removal of Pocket Fixed from sale | |
| Sainsbury's Energy | 28.09.2012 | 28.09.2012 | Launch of Price Check Jan 2014 and Online January 2014 | |
| Sainsbury's Energy | 28.09.2012 | 28.09.2012 | Removal of Price Check September 2013 and Online Variable September 2013 | |
| Scottish Power | 28.09.2012 | 28.09.2012 | Removal of Online Fixed Price Energy March 2014 | |
| Scottish Power | 28.09.2012 | 28.09.2012 | Launch of Online Fixed Price Energy April 2014 | |
| EDF Energy | 27.09.2012 | 27.09.2012 | Launch of Blue +Price Promise May 2014 | |
| E.ON Energy | 27.09.2012 | 27.09.2012 | Launch of E.ON Energy Discount; E.ON Fixed 1 Year v1; E.ON Fixed 2 Year v1; E.ON Energy Prepayment Reward; Age UK Fixed 1 Year v1 | |
| First Utility | 25.09.2012 | 25.09.2012 | Launch of iSave Fixed v4 March 2014 | |
| First Utility | 25.09.2012 | 25.09.2012 | Launch of iSave v12 | |
| First Utility | 25.09.2012 | 25.09.2012 | Removal of iSave v11 | |
| iSupply Energy | 14.09.2012 | 14.09.2012 | Launch of secon version of the iSupply fixed tariff. | |
| npower | 12.09.2012 | 12.09.2012 | Launch of Energy Online January 2014 and removal of Energy Online October 2013. | |
| npower | 12.09.2012 | 12.09.2012 | Launch of Go Fix January 2014. | |
| ScottishPower | 11.09.2012 | 11.09.2012 | Launch of Online Fixed Price Energy March 2014 and removal of Online Fixed Price Energy January 2014. | |
| First Utility | 07.09.2012 | 07.09.2012 | Removal of iSave Fixed Price v3 December 2013 | |
| nPower | 05.09.2012 | 05.09.2012 | Removal of National Trust Green Energy | |
| ScottishPower | 30.08.2012 | 30.08.2012 | Removal of Online Energy Saver 20 from sale | |
| ScottishPower | 30.08.2012 | 30.08.2012 | Removal of Online Fixed Price Energy November 2013 and launch of Online Fixed Price Energy January 2014 | |
| EDF Energy | 30.08.2012 | 30.08.2012 | Removal of Blue +Price Promise April 2014 from sale. | |
| nPower | 28.08.2012 | 28.08.2012 | Removal of Energy Discount December 2013 from sale | |
| SSE | 22.08.2012 | 22.08.2012 | Removal of 2yr Capped Price Plan | |
| SSE | 22.08.2012 | 22.08.2012 | Launch of 2yr Capped Price Plan 2 | |
| SSE | 22.08.2012 | 22.08.2012 | Removal of Fixed Discount April 2014 | |
| SSE | 22.08.2012 | 22.08.2012 | Launch of Fixed Discount December 2014 | |
| SSE | 22.08.2012 | 22.08.2012 | Updated prices for Prepayment | |
| SSE | 22.08.2012 | 22.08.2012 | Updated prices for Standard Energy | |
| SSE | 22.08.2012 | 22.08.2012 | Updated prices for oplan | |
| iSupplyEnergy | 17.08.2012 | 17.08.2012 | Launch of iSupplyEnergy and their first tariff iFix | |
| nPower | 07.08.2012 | 07.08.2012 | Removal of Energycare from sale | |
| EDF Energy | 03.08.2012 | 03.08.2012 | Launch of Blue+ Price Promise April 2014 and removal of Blue+ Price Promise September 2013 | |
| npower | 03.08.2012 | 03.08.2012 | Reinstatement of Energy Online October 2013 on sale | |
| Co-operative Energy | 02.08.2012 | 02.08.2012 | Launch of Pioneer v5 and removal of Pioneer v4 | |
| E.ON Energy | 01.08.2012 | 01.08.2012 | Launch of Track and Save 14 and removal of Track and Save 13 | |
| First Utility | 01.08.2012 | 01.08.2012 | updated prices for iSave v8 and iSave v9 | |
| Good Energy | 01.08.2012 | 01.08.2012 | reduced gas prices for Gas + tariff | |
| First Utiltity | 31.07.2012 | 31.07.2012 | Launch of iSave Fixed v3 December 2013 | |
| npower | 30.07.2012 | 30.07.2012 | Launch of Bill Saver November 2013 | |
| npower | 30.07.2012 | 30.07.2012 | Launch of Energycare | |
| npower | 30.07.2012 | 30.07.2012 | Removal of Energy Online October 2013 from sale | |
| Sainsburys Energy | 30.07.2012 | 30.07.2012 | Amend to Online Variable Sept 2013 tariff is areas East Midlands, London and SWALEC | |
| Scottish Power | 27.07.2012 | 27.07.2012 | Launch of Fixed Price Energy November 2014 | |
| Scottish Power | 25.07.2012 | 25.07.2012 | Removal of Fixed Price Energy April 2014 | |
| Scottish Power | 25.07.2012 | 25.07.2012 | Removal of Fixed Saver September 2013 | |
| Scottish Power | 24.07.2012 | 24.07.2012 | Launch of Platinum Fixed Energy November 2014 | |
| Scottish Power | 24.07.2012 | 24.07.2012 | Launch of Online Energy Saver 20 | |
| Scottish Power | 24.07.2012 | 24.07.2012 | Removal of Online Energy Saver 19 | |
| SSE | 23.07.2012 | 23.07.2012 | Price Fix 8 withdrawn from market | |
| Scottish Power | 19.07.2012 | 19.07.2012 | Removal of Scottish Power Online Fixed Price Energy August 2013 | |
| Scottish Power | 19.07.2012 | 19.07.2012 | Launch of Online Fixed Price energy November 2013 | |
| First Utility | 17.07.2012 | 17.07.2012 | Removal of iSave v11 with paperbills | |
| Spark Energy | 06.07.2012 | 06.07.2012 | Launch of Tenant Direct | |
| E.ON Energy | 04.07.2012 | 04.07.2012 | Reduction of prices of Age UK Fixed Price April 2014 and E.ON Fixed Price 2014 | |
| E.ON Energy | 04.07.2012 | 04.07.2012 | Reduction in early termination fees Age UK Fixed Price April 2014, E.ON Energy Discount 2013 and E.ON Fixed Price 2014 | |
| Sainsburys Energy | 02.07.2012 | 30.06.2012 | Launch of Online Variable September 2013 | |
| Sainsburys Energy | 30.06.2012 | 30.06.2012 | Removal of Online Price Freeze June 2013 | |
| nPower | 27.06.2012 | 27.06.2012 | Launch of Electricity Online November 2013; Energy Online October 2013 | |
| First Utility | 27.06.2012 | 26.06.2012 | Launch of iSave v11 and iSave v11 with paper billing | |
| First Utility | 27.06.2012 | 26.06.2012 | Removal of iSave v10; iSave Fixed Price v2 Sepetember 2013 | |
| British Gas | 22.06.2012 | 22.06.2012 | Launch of Clear and Simple: Fixed Price May 2014; Online Variable August 2013; Discount Variable August 2013 | |
| British Gas | 22.06.2012 | 22.06.2012 | Removal of Standard, Online Energy, Fixed Price 2013 and Energyshare from sale and launch of new simplified tariffs | |
| E.ON Energy | 15.06.2012 | 15.06.2012 | Launch of Age UK Fixed Price April 2014 tariff | |
| E.ON Energy | 15.06.2012 | 15.06.2012 | Removal of Age UK Fixed Price Saver June 2013 | |
| Scottish Power | 06.06.2012 | 07.06.2012 | Removal of Help Beat Cancer Discounted Energy January 2013 | |
| Scottish Power | 07.06.2012 | 07.06.2012 | Launch of Help Beat Cancer Discounted Energy August 2015 | |
| Scottish Power | 07.06.2012 | 07.06.2012 | Launch of Simply Green Energy June 2015 | |
| British Gas | 31.05.2012 | 01.06.2012 | Removal of Fixed Price June 2013 | |
| E.ON Energy | 31.05.2012 | 01.06.2012 | Removal of E.ON Price Protection May 2014 | |
| E.ON Energy | 31.05.2012 | 01.06.2012 | Removal of E.ON Fixed Price Saver June 2013 | |
| E.ON Energy | 31.05.2012 | 01.06.2012 | Launch of E.ON Energy Discount 2013 | |
| E.ON Energy | 31.05.2012 | 01.06.2012 | Launch of E.ON Fixed Price 2014 | |
| Scottish Power | 29.05.2012 | 29.05.2012 | Removal of Simply Green Energy from sale | |
| ScottishPower | 22.05.2012 | 22.05.2012 | Launch of Online Energy Saver 19 | |
| First Utility | 11.05.2012 | 11.05.2012 | Launch of iSave Fixed Price v2 September 2013 | |
| ScottishPower | 09.05.2012 | 09.05.2012 | Launch of Fixed Saver September 2013 tariff | |
| ScottishPower | 09.05.2012 | 09.05.2012 | Removal of Fixed Saver June 2013 tariff from sale | |
| ScottishPower | 08.05.2012 | 08.05.2012 | Removal of Online Fixed Price Energy July 2013 from sale. | |
| ScottishPower | 08.05.2012 | 08.05.2012 | Removal of Online Energy Saver 18 from sale. | |
| OVO Energy | 09.04.2012 | 03.05.2012 | Variable prices amended for existing customers | |
| E.ON Energy | 01.05.2012 | 01.05.2012 | Launch of Track and Save 13 | |
| npower | 23.04.2012 | 23.04.2012 | Launch of Go-Fix 12 | |
| npower | 23.04.2012 | 23.04.2012 | Launch of Bill Saver August 2013 and removal of Bill Saver May 2013 | |
| SSE | 17.04.2012 | 17.04.2012 | Launch of 2yr Fixed Price Plan 2 | |
| SSE | 17.04.2012 | 17.04.2012 | Launch of oplan Standing Charge | |
| SSE | 17.04.2012 | 17.04.2012 | Removal of Fixed Price Plan | |
| EDF Energy | 02.04.2012 | 02.04.2012 | Launch of Blue +Price Promise September 2013 and also Blue +Price Promise September 2013 (Gas Carbon Offset) | |
| Utilita | 02.04.2012 | 02.04.2012 | New prices launched for Smart Energy which is the new name for GetSmart | |
| EDF Energy | 30.03.2012 | 30.03.2012 | Removal of Fix to March 2013 tariff | |
| ScottishPower | 29.03.2012 | 29.03.2012 | Launch of Platinum Fixed Energy July 2013 tariff | |
| npower | 28.03.2012 | 28.03.2012 | Sign Online 26 removed from sale | |
| SSE | 22.02.2012 | 26.03.2012 | Launch of new revised prices across all tariffs with gas reduced by an average 4.5% | |
| OVO Energy | 15.03.2012 | 15.03.2012 | Fixed Price Tariffs increased in cost. | |
| ScottishPower | 06.03.2012 | 06.03.2012 | Launch of Online Energy Saver 18 | |
| ScottishPower | 29.02.2012 | 29.02.2012 | Launch of Fixed Price Energy April 2014 | |
| E.ON Energy | 27.01.2012 | 27.02.2012 | New reduced electricity prices, average 6% reduction. | |
| ScottishPower | 02.02.2012 | 27.02.2012 | Launch of new reduced gas prices | |
| Ecotricity | 06.02.2012 | 27.02.2012 | New Energy and New Energy Plus prices updated in areas 10, 11 and 16 | |
| ScottishPower | 27.02.2012 | 27.02.2012 | Online Fixed Energy July 2013 launched | |
| ScottishPower | 27.02.2012 | 27.02.2012 | Online Fixed Price Energy May 2013v2 removed from sale | |
| E.ON Energy | 27.02.2012 | 27.02.2012 | Launch of Age UK Fixed Price Saver June 2013 | |
| E.ON Energy | 27.02.2012 | 27.02.2012 | E.ON Age UK Online tariff removed from sale | |
| E.ON Energy | 27.02.2012 | 27.02.2012 | E.ON Age UK High User tariff removed from sale | |
| M & S Energy | 22.02.2012 | 22.02.2012 | Launch of M & S Energy Fixed Price 2 tariff | |
| SSE | 22.02.2012 | 22.02.2012 | Launch of Price Fix 8 tariff | |
| SSE | 22.02.2012 | 22.02.2012 | Launch of Fixed Discount 2014 | |
| Sainsbury's Energy | 21.02.2012 | 21.02.2012 | Launch of Online Price Freeze June 2013 | |
| npower | 20.02.2012 | 20.02.2012 | Sign Online 26 launched and Sign Online 25 removed from sale | |
| npower | 20.02.2012 | 20.02.2012 | Go-Fix 11 launched and Go-Fix 10 removed from sale | |
| E.ON Energy | 15.02.2012 | 15.02.2012 | E.ON Energy Fit Plan removed from the market | |
| E.ON Energy | 14.02.2012 | 14.02.2012 | Launch of E.ON SaveOnline12 and removal of E.ON SaveOnline11 from sale | |
| E.ON Energy | 14.02.2012 | 14.02.2012 | Launch of E.ON Fixed Price Saver June 2013 and removal of E.ON Fixed Price Saver April 2013 | |
| ScottishPower | 13.02.2012 | 13.02.2012 | Launch of Fixed Saver June 2013 | |
| ScottishPower | 10.02.2012 | 10.02.2012 | Launch of Help Beat Cancer Discounted Energy January 2015 | |
| EDF Energy | 24.01.2012 | 07.02.2012 | New reduced gas prices for Standard (Variable), Energy Assist and Energy Discount Plan v4 and v5 | |
| npower | 23.01.2012 | 01.02.2012 | New reduced gas prices for standard, capped and prepayment tariffs | |
| E.ON Energy | 01.02.2012 | 01.02.2012 | Launch of E.ON Track and Save 12 and removal of E.ON Track and Save 11 | |
| Co-operative Energy | 01.02.2012 | 01.02.2012 | Launch of Cash/Cheque versions of Pioneer tariffs | |
| nPower | 23.01.2012 | 23.01.2012 | Launch of Bill Saver May 2013 | |
| nPower | 23.01.2012 | 23.01.2012 | Launch of Energy Discount December 2013 | |
| nPower | 23.01.2012 | 23.01.2012 | Removal of Flex Saver Feb. 2013 from sale | |
| EDF Energy | 13.01.2012 | 13.01.2012 | Launch of Fix to March 2013 and removal of Price Protection 2013 | |
| ScottishPower | 13.01.2012 | 13.01.2012 | Launch of Online Fixed Price Energy May 2013 and removal of Online Fixed Energy April 2013 | |
| British Gas | 12.01.2012 | 12.01.2012 | Reduction in electricity prices across all 'standard' type products. | |
| ScottishPower | 12.01.2012 | 12.01.2012 | removal of Online Energy saver 17 tariff from sale | |
| SSE | 12.01.2012 | 12.01.2012 | removal of Price Fix 7 tariff from sale | |
| OVO Energy | 06.01.2012 | 06.01.2012 | Fixed Price tariffs reduced in cost | |
| E.On | 05.01.2012 | 05.01.2012 | Launch of E.ON Fixed Price Saver April 2013 and removal of E.ON Fixed Price April 2013 | |
| npower | 28.12.2011 | 28.12.2011 | Launch of Go-Fix 10 and removal of Go-Fix 8 from sale | |
| npower | 23.12.2011 | 23.12.2011 | Removal Football Online | |
| npower | 19.12.2011 | 19.12.2011 | Launch of Sign Online 25 | |
| Cooperative Energy | 19.12.2011 | 19.12.2011 | Reduction in energy prices | |
| EDF Energy | 01.12.2011 | 01.12.2011 | Standard tariff renamed to Standard (Variable) | |
| British Gas | 17.11.2011 | 17.11.2011 | Launch of Energy Online | |
| ScottishPower | 17.11.2011 | 17.11.2011 | Launch of Launch of Online Fixed Energy April 2013 and removal of Online Fixed Energy Jan 2013 | |
| E.On | 08.11.2011 | 08.11.2011 | E.ON launch of E.ON Save Online 11 and removal of E.ON Save Online 10 | |
| First Utility | 04.11.2011 | 04.11.2011 | Launch of iSave v9 | |
| British Gas | 03.11.2011 | 03.11.2011 | Removal of WebSaver13 from the market. | |
| OVO Energy | 26.10.2011 | 26.10.2011 | New rates for all Fixed Price Tariffs. | |
| SSE | 25.10.2011 | 25.10.2011 | Standard Energy Online withdrawn from sale on all regional brands Southern Electric, Scottish Hydro, SWALEC and SSE) | |
| npower | 19.10.2011 | 19.10.2011 | Launch of Football Online tariff | |
| Green Energy Uk | 19.10.2011 | 19.10.2011 | Update of all electricity prices | |
| Green Energy Uk | 19.10.2011 | 19.10.2011 | Update of all electricity prices | |
| npower | 17.10.2011 | 17.10.2011 | Bill Saver tariff removed from sale | |
| npower | 17.10.2011 | 17.10.2011 | Launch of Flex Saver Feb 2013 | |
| ScottishPower | 06.10.2011 | 06.10.2011 | Launch of Online Fixed Price Energy January 2013 | |
| ScottishPower | 05.10.2011 | 05.10.2011 | Launch of Platinum Fixed Energy October 2013 (v5) | |
| ScottishPower | 04.10.2011 | 04.10.2011 | Removal of Online Fixed Price Energy December 2012 | |
| ScottishPower | 03.10.2011 | 03.10.2011 | Removal of Online Energy Saver 15 from sale | |
| ScottishPower | 03.10.2011 | 03.10.2011 | Launch of Online Energy Saver 16 | |
| EDF Energy | 30.09.2011 | 30.09.2011 | Launch of Price Protection 2013 | |
| EDF Energy | 30.09.2011 | 30.09.2011 | Launch of Price Protection 2014 | |
| Co-operative Energy | 29.09.2011 | 29.09.2011 | Launch of new gas and electricity prices (v3.0) | |
| Telecom Plus | 27.09.2011 | 27.09.2011 | Various reductions across all tariffs in certain areas to maintain their triple value gaurantee | |
| Spark Energy | 27.09.2011 | 27.09.2011 | Launch of new standard tariff prices | |
| npower | 26.09.2011 | 26.09.2011 | Launch of Go-Fix 8 and removal of Go-Fix 7 from sale | |
| npower | 26.09.2011 | 26.09.2011 | Launch of SignOnline 24 and removal of SignOnline 23 | |
| E.On Energy | 20.09.2011 | 20.09.2011 | Launch of E.ON SaveOnline 10 and removal of E.ON SaveOnline 9 | |
| British Gas | 20.09.2011 | 20.09.2011 | Launch of WebSaver 13 and removal of Websaver 12 | |
| British Gas | 20.09.2011 | 20.09.2011 | Launch of Online Saver 4 and launch of Online Saver 5 | |
| British Gas | 20.09.2011 | 20.09.2011 | Launch of Online Fixed | |
| EDF Energy | 15.09.2011 | 15.09.2011 | Launch of new domestic gas and electricity prices | |
| ScottishPower | 14.09.2011 | 14.09.2011 | Launch of Online Fixed Price Energy December 2012 | |
| ScottishPower | 14.09.2011 | 14.09.2011 | Launch of Online Energy Saver 15 | |
| Telecom Plus | 09.09.2011 | 09.09.2011 | Update of prepayment tariff prices | |
| ScottishPower | 29.08.2011 | 29.08.2011 | ScottishPower launch Fixed Saver April 2013 | |
| Ecotricity | 24.08.2011 | 24.08.2011 | New gas and electricity prices launched | |
| British Gas | 24.08.2011 | 24.08.2011 | Price Promise March 2013 removed from sale | |
| ScottishPower | 19.08.2011 | 19.08.2011 | Launch of Online Fixed Saver December 2012 | |
| LoCo2 Energy | 19.08.2011 | 19.08.2011 | Launch of new prices for Pocket, Pocket+ and Planet tariffs. | |
| ScottishPower | 17.08.2011 | 17.08.2011 | Online Fixed Saver 2012 removed from sale | |
| npower | 16.08.2011 | 16.08.2011 | Variable gas prices increased by 15.7% and electricity by 7.2% | |
| npower | 16.08.2011 | 16.08.2011 | Launch of Winter Fix | |
| EDF Energy | 15.08.2011 | 15.08.2011 | Launch of Fix for 2012 | |
| EDF Energy | 15.08.2011 | 15.08.2011 | Removal of Fixed S@ver v2 and Online S@ver v12 | |
| Telecom Plus | 15.08.2011 | 15.08.2011 | Update of all gas and electricity tariffs | |
| OVO Energy | 12.08.2011 | 12.08.2011 | New prices launched for gas and electricity | |
| npower | 08.08.2011 | 08.08.2011 | Launch of Go-Fix 7 | |
| E.On Energy | 05.08.2011 | 05.08.2011 | E.ON have increased gas prices by 18.1% and electricity prices by 11.4% | |
| ScottishPower | 01.08.2011 | 01.08.2011 | Launch of Discounted Energy October 2013, Simply Green Energy and Platinum Fixed Energy January 2014 (v4) | |
| SSE | 21.07.2011 | 21.07.2011 | Gas increased across all variable tariffs by an average of 18% and electricity by 11% | |
| EBICo | 21.07.2011 | 21.07.2011 | Gas increased across all variable tariffs by an average of 18% and electricity by 11% | |
| ScottishPower | 13.07.2011 | 13.07.2011 | Online Energy Saver 14 has been removed from sale | |
| British Gas | 08.07.2011 | 08.07.2011 | Gas prices increased by an average of 18% and electricity by an average of 16% on these tariffs WebSaver 8, 9, 10 , 11 and 12; Online Saver 2, 3 and 4; Standard; Standard Pay As You Go; Future Energy; EnergyShare; 4% Discount Tracker; Essentials; Market Monitor; Discount Saver 2012 | |
| British Gas | 08.07.2011 | 08.07.2011 | Launch of Price Promise March 2013 | |
| E.ON Energy | 08.07.2011 | 08.07.2011 | Launch of Age UK Fixed Price July 2013 | |
| E.ON Energy | 08.07.2011 | 08.07.2011 | Removal of Age UK Price Protection April 2013 from sale | |
| E.ON Energy | 08.07.2011 | 08.07.2011 | Removal of E.ON Track and Save 10 from sale | |
| ScottishPower | 05.07.2011 | 05.07.2011 | Launch of Unifi Capped Energy January 2014 | |
| ScottishPower | 05.07.2011 | 05.07.2011 | Launch of Capped Energy January 2014 | |
| npower | 04.07.2011 | 04.07.2011 | Launch of SignOnline 23 | |
| npower | 04.07.2011 | 04.07.2011 | Launch of Price Fix 2013 | |
| EON Energy | 01.07.2011 | 01.07.2011 | Launch of E.ON SaveOnline 8 and removal of E.ON SaveOnline 7 | |
| EON Energy | 01.07.2011 | 01.07.2011 | E.ON Track and Save 10 and removal of E.ON Track and Save 9 | |
| npower | 29.06.2011 | 29.06.2011 | Price Protector extended to cap prices to end of Aug 2012 and removal of cancellation fees | |
| EDF Energy | 27.06.2011 | 27.06.2011 | Launch of Energy Discount Plan v5 | |
| ScottishPower | 22.06.2011 | 22.06.2011 | Removal of ScottishPower Direct October 2012 from sale. | |
| SSE | 15.06.2011 | 15.06.2011 | Launch of Price Fix 6 tariff | |
| npower | 13.06.2011 | 13.06.2011 | Launch of Football 45 tariff. | |
| npower | 13.06.2011 | 13.06.2011 | Launch of Bill Saver tariff. | |
| npower | 10.06.2011 | 10.06.2011 | Re-launch of Price Protector tariff | |
| npower | 10.06.2011 | 10.06.2011 | Re-launch of National Trust product to be available as Dual fuel with Green Energy Bonus and also available as Single fuel electricity | |
| OVO Energy | 09.06.2011 | 09.06.2011 | Update of variable tariff prices. | |
| ScottishPower | 07.06.2011 | 07.06.2011 | Gas and electric prices increased by 19% and 10% respectively affecting Standard, No Standard Charge, Online Energy - Standard and Online Energy - No Standing Charge | |
| ScottishPower | 07.06.2011 | 07.06.2011 | Launch of Fixed Price Energy January 2015 tariff | |
| ScottishPower | 07.06.2011 | 07.06.2011 | Launch of ScottishPower Direct October 2012 tariff | |
| EDF Energy | 06.06.2011 | 06.06.2011 | Launch of Online S@ver v10 | |
| ScottishPower | 06.06.2011 | 06.06.2011 | Discounted Energy March 2013 has been removed from sale. | |
| Co-operative Energy | 27.05.2011 | 27.05.2011 | Update on the Pioneer tariff. | |
| British Gas | 25.05.2011 | 25.05.2011 | Launch of Energyshare tariff | |
| E.ON Energy | 24.05.2011 | 24.05.2011 | Launch of E.ON Fixed Price 5 | |
| E.ON Energy | 24.05.2011 | 24.05.2011 | Removal of E.ON Price Protection 2013 | |
| British Gas | 19.05.2011 | 19.05.2011 | Launch OF WebSaver 12 and removal of WebSaver 11 | |
| ScottishPower | 11.05.2011 | 11.05.2011 | Launch of Platinum Fixed January 2014 v3 | |
| British Gas | 10.05.2011 | 10.05.2011 | Launch of OnlineSaver 4 and removal of OnlineSaver 3 | |
| ScottishPower | 10.05.2011 | 10.05.2011 | Removal of Simply Green Energy from sale | |
| ScottishPower | 10.05.2011 | 10.05.2011 | Removal of Platinum Fixed January 2014 v2 | |
| npower | 09.05.2011 | 09.05.2011 | launch of Go-Fix 6 and removal of Go-Fix 5 from sale | |
| Green Energy UK | 01.05.2011 | 01.05.2011 | Prices updated across all areas. | |
| E.ON Energy | 28.04.2011 | 28.04.2011 | Launch of E.ON SaveOnline 7 and removal of E.ON SaveOnline 6 from sale. | |
| ScottishPower | 26.04.2011 | 26.04.2011 | Launch of Online Energy Saver 14 and removal of Online Saver 13 | |
| EDF Energy | 18.04.2011 | 18.04.2011 | Launch of Online S@ver Version 12 | |
| EDF Energy | 18.04.2011 | 18.04.2011 | Launch of Fixed Price 2014 | |
| Cooperative Energy | 13.04.2011 | 13.04.2011 | Update of Pioneer tariff prices across all areas. | |
| npower | 11.04.2011 | 11.04.2011 | Launch of Sign Online 22 (SOL22) | |
| EDF Energy | 11.04.2011 | 11.04.2011 | Launch of Fixed S@ver Version 2 | |
| EDF Energy | 07.04.2011 | 07.04.2011 | Removal of Fixed Price 2015 from sale | |
| Telecom Plus | 23.03.2011 | 01.04.2011 | Launch of new prices | |
| npower | 01.04.2011 | 01.04.2011 | Removal of Sign Online 21 | |
| Utilita | 01.04.2011 | 01.04.2011 | Update of getsmart tariff | |
| first:utility | 01.04.2011 | 01.04.2011 | Removal of iSave V7 and launch of iSave V8 | |
| first:utility | 01.04.2011 | 01.04.2011 | Removal of Smart as Standard V1 and launch of Smart as Standard V2 | |
| EDF Energy | 01.04.2011 | 01.04.2011 | removal of Fixed S@ver tariff from sale | |
| npower | 01.04.2011 | 01.04.2011 | removal of TRIO tariff | |
| ScottishPower | 01.04.2011 | 01.04.2011 | Launch of Discounted Energy March 2013 | |
| E.ON Energy | 31.03.2011 | 31.03.2011 | Launch of E.ON SaveOnline 6 and removal of E.ON SaveOnline 5 from sale. | |
| British Gas | 25.03.2011 | 25.03.2011 | Update of standard electricity prices across areas 12, 13 and 18 | |
| ScottishPower | 25.03.2011 | 25.03.2011 | Removal of Discounted Energy March 2012 | |
| SSE | 24.03.2011 | 24.03.2011 | Removal of Go Direct 5 tariff | |
| EDF Energy | 23.03.2011 | 23.03.2011 | Removal of Online S@ver 9 | |
| LoCO2 Energy | 17.03.2011 | 17.03.2011 | Removal of Pocket Fixed tariff | |
| SSE | 17.03.2011 | 17.03.2011 | Removal of Atlantic Fixed Price 4. | |
| ScottishPower | 17.03.2011 | 17.03.2011 | Removal of Platinum Fixed Energy January 2014 from sale. | |
| SSE | 11.03.2011 | 11.03.2011 | Update of electricity prices in areas 12, 13 and 18 | |
| npower | 07.03.2011 | 07.03.2011 | Launch of Price Protector | |
| OVO Energy | 04.03.2011 | 04.03.2011 | Update of gas prices | |
| EDF Energy | 04.03.2011 | 04.03.2011 | Removal of Online S@ver 8 | |
| E.ON Energy | 07.03.2011 | 04.03.2011 | New revised prices for Track and Save v4 - 8 and Guarantee v4 | |
| EDF Energy | 03.02.2011 | 02.03.2011 | Launch of new gas and electricity prices and tariff structure | |
| npower | 28.02.2011 | 28.02.2011 | Launch of Go-Fix 5 | |
| British Gas | 23.02.2011 | 23.02.2011 | Launch of WebSaver 11 and removal of WebSaver 10 | |
| British Gas | 23.02.2011 | 23.02.2011 | Removal of Price Promise October 2012 | |
| British Gas | 23.02.2011 | 23.02.2011 | update of standard electricity prices in regions regions 11, 12, 13, 14, 15, 16, 18, 19, 20, 21 and 22 for Standard, Online Saver, Online Saver 2, Online Saver 3, Future Energy and Future Energy Plus tariffs. | |
| SSE | 22.02.2011 | 22.02.2011 | Launch of Atlantic Fixed Price 4 | |
| EDF Energy | 18.02.2011 | 18.02.2011 | Launch of Online S@ver Version 9 | |
| ScottishPower | 18.02.2011 | 18.02.2011 | Launch of Online Saver 13 and removal of Online Saver 12 from sale | |
| British Gas | 13.02.2011 | 13.02.2011 | Removal of Price Promise April 2014 from sale | |
| OVO Energy | 11.02.2011 | 11.02.2011 | Updated of Fixed Energy Prices | |
| ScottishPower | 09.02.2011 | 09.02.2011 | Launch of new version of Capped Price June 2013 | |
| Sainsbury's Energy | 09.02.2011 | 09.02.2011 | Launch of Orange tariff | |
| ScottishPower | 08.02.2011 | 08.02.2011 | Removal of Capped Price June 2013 from sale | |
| E.ON Energy | 10.01.2011 | 04.02.2011 | Increase in gas and electricity products across non fixed or capped products. | |
| SSE | 04.02.2011 | 04.02.2011 | Removal of Atlantic Fixed Price 3 | |
| Atlantic Electric and Gas | 04.02.2011 | 04.02.2011 | Removal of Atlantic Fixed Price 3 from sale | |
| Telecom Plus | 01.02.2011 | 01.02.2011 | Launch of new electricity and gas prices | |
| npower | 31.01.2011 | 31.01.2011 | Launch of Trio Tariff | |
| npower | 31.01.2011 | 31.01.2011 | Launch of Football Saver v3 and removal of Football Saver v2 from sale | |
| E.ON Energy | 21.01.2011 | 21.01.2011 | Launch of Track and Save v8 | |
| E.ON Energy | 21.01.2011 | 21.01.2011 | Launch of Age UK Price Protection 2013 | |
| ScottishPower | 20.01.2011 | 20.01.2011 | Launch of Capped Price June 2013 | |
| EDF Energy | 18.01.2011 | 18.01.2011 | Launch of Fixed Price 2013 | |
| E.ON Energy | 11.01.2011 | 11.01.2011 | Launch of E.ON SaveOnline 5 and removal of E.ON SaveOnline 4 | |
| OVO Energy | 10.01.2011 | 10.01.2011 | Launch of new variable prices | |
| EDF Energy | 10.01.2011 | 10.01.2011 | Launch of Annual Fix v1 and removal of Annual Fix v4 | |
| E.ON Energy | 10.01.2011 | 10.01.2011 | Update to the prices of E.ON Track and Save 4, 5, 6, 7 and E.ON Energy Guarantee 4 | |
| npower | 10.12.2010 | 04.01.2011 | Gas and Electricity Prices increased by an average of 5.89% | |
| npower | 04.01.2011 | 04.01.2011 | Launch of Sign Online 21 and removal of Sign Online 20 | |
| LoCo2 | 15.12.2010 | 01.01.2011 | Update of all prices and launch of Pocket Fixed tariff | |
| SSE | 22.12.2010 | 22.12.2010 | Launch of Welsh Rugby tariff | |
| SSE | 16.12.2010 | 16.12.2010 | Launch of iplan tariff | |
| EDF Energy | 14.12.2010 | 14.12.2010 | Launch of Online Energy S@ver v8 | |
| first:utility | 13.12.2010 | 13.12.2010 | launch of iSave v7 | |
| Spark Energy | 10.12.2010 | 10.12.2010 | Standard Plus tariffs all updated | |
| first:utility | 10.12.2010 | 10.12.2010 | Removal of iSave 6 from sale | |
| SSE | 09.12.2010 | 09.12.2010 | Launch of oplan tariff | |
| OVO Energy | 06.12.2010 | 06.12.2010 | New prices announced | |
| SSE | 06.12.2010 | 06.12.2010 | Southern Electric brand now replaced by SSE in East Midlands/Midlands/Northern/NORWEB and Yorkshire areas | |
| Telecom Plus | 01.12.2010 | 01.12.2010 | Telecom Plus - all gas rates updated | |
| EDF Energy | 29.11.2010 | 29.11.2010 | Launch of Energy Discount Plan v4 and removal of v3 from sale. | |
| ScottishPower | 26.11.2010 | 26.11.2010 | Launch of Online Energy Saver 12 and removal of Online Energy Saver 11 | |
| ScottishPower | 19.11.2010 | 25.11.2010 | Gas Prices to increase by an average of 2%, electricity prices increase by an average of 8.9% | |
| ScottishPower | 25.11.2010 | 25.11.2010 | Launch of the Discounted Energy March 2012 tariff. | |
| ScottishPower | 24.11.2010 | 24.11.2010 | Price Tracker October 2011 tariff removed from sale. | |
| E.ON Energy | 22.11.2010 | 22.11.2010 | Launch of Age UK Price Protection 2012 | |
| First Utility | 22.11.2010 | 22.11.2010 | Launch of iSave 6 and removal of iSave 5 | |
| E.ON Energy | 22.11.2010 | 22.11.2010 | Launch of E.ON FixOnline 9 | |
| EDF Energy | 19.11.2010 | 19.11.2010 | EcoManager tariff removed from sale | |
| British Gas | 12.11.2010 | 12.11.2010 | Gas and electricity prices increased by circa. 7% : Standard tariff, Future Energy tariff, Future Energy Plus tariff, WebSaver 10 tariff and Online Saver 3 tariff | |
| EDF Energy | 08.11.2010 | 08.11.2010 | Launch of Fixed S@ver tariff | |
| npower | 08.11.2010 | 08.11.2010 | Removal of Go-Fix 3 from sale | |
| SSE Group | 29.10.2010 | 01.11.2010 | Gas prices increased and structure changed across all non fixed tariffs | |
| first:utility | 28.10.2010 | 28.10.2010 | Launch of Smart as Standard v1 tariff | |
| E.ON | 26.10.2010 | 26.10.2010 | EON launch of SaveOnline v4 and removal of SaveOnline v3. | |
| Atlantic Electric and Gas | 22.10.2010 | 22.10.2010 | Launch of Atlantic Fixed Price 3 | |
| Utilita | 22.10.2010 | 22.10.2010 | removal of energysaverplus and planetsaver | |
| npower | 18.10.2010 | 18.10.2010 | Removal of Sign Online 19 and launch of Sign Online 20 | |
| first:utility | 14.10.2010 | 14.10.2010 | Removal of iSave 4 and launch of iSave 5 | |
| ScottishPower | 13.10.2010 | 13.10.2010 | Launch of Capped Price Energy December 2012 | |
| ScottishPower | 12.10.2010 | 12.10.2010 | Removal of Capped Price Energy June 2012 | |
| E.ON Energy | 11.10.2010 | 11.10.2010 | Removal of Track and Save v6 and launch of Track and Save v7 | |
| British Gas | 11.10.2010 | 11.10.2010 | Launch of WebSaver10 and removal of WebSaver9 | |
| EDF Energy | 04.10.2010 | 04.10.2010 | Launch of Annual Fix v4 and removal of Annual Fix v3 | |
| EDF Energy | 01.09.2010 | 01.10.2010 | New prices launched for tariffs including Standard, Green, Climate Balance, Eco20:20, Energy Discount Plan v2, Energy Discount Plan v3, Energy Assist, Online 1 - 6 and Online Saver v1 | |
| EDF Energy | 01.10.2010 | 01.10.2010 | Alignment of Online Saver 2 prices to reflect standard prices | |
| npower | 27.09.2010 | 27.09.2010 | Launch of Football Saver 2 and Price Fix 2012. Removal of Price Guarantee and Football Saver | |
| OVO Energy | 24.09.2010 | 24.09.2010 | Launch of new tariff prices | |
| E.ON Energy | 23.09.2010 | 23.09.2010 | Launch of reduced E7 Prices and increase in no mains gas discount. | |
| Scottish Hydro-Electric | 15.09.2010 | 15.09.2010 | Removal of Price Fix4 August 2011 and launch of Price Fix5 March 2012 | |
| SWALEC | 15.09.2010 | 15.09.2010 | Removal of Price Fix4 August 2011 and launch pf Price Fix5 March 2012 | |
| Southern Electric | 15.09.2010 | 15.09.2010 | Removal of Price Fix4 August 2011 and launch pf Price Fix5 March 2012 | |
| ScottishPower | 06.09.2010 | 06.09.2010 | Removal of Online Energy Saver 10 and launch of Online Energy Saver 11 | |
| E.ON Energy | 24.08.2010 | 24.08.2010 | Launch of Age UK Online | |
| OVO Energy | 21.08.2010 | 21.08.2010 | Launch of new prices for both New Energy and Green Energy | |
| British Gas | 20.08.2010 | 20.08.2010 | Launch of WebSaver 9 and removal of WebSaver 8 from the market. | |
| E.ON Energy | 19.08.2010 | 19.08.2010 | Launch of E.ON SaveOnline 3 | |
| npower | 16.08.2010 | 16.08.2010 | Launch of Go-Fix 3 | |
| EDF Energy | 16.08.2010 | 16.08.2010 | Launch of Online Saver v7 and removal of Online Saver v6 | |
| Sainsbury Energy | 16.08.2010 | 16.08.2010 | Launch of Online Saver v7 | |
| ScottishPower | 09.08.2010 | 09.08.2010 | Launch of Platinum Fixed Energy January 2014 | |
| npower | 09.08.2010 | 09.08.2010 | Removal of GoFix 2 for any new customers | |
| E.ON | 03.08.2010 | 03.08.2010 | Removal of E.ON Track and Save 5 and launch of E.ON Track and Save 6 | |
| first:utility | 26.07.2010 | 26.07.2010 | Removal of iSave V3.2 and launch of iSave V4 | |
| first:utility | 26.07.2010 | 26.07.2010 | Removal of Smart online saver V4 and launch of Smart online saver V5 | |
| ScottishPower | 16.07.2010 | 16.07.2010 | Removal of Online Energy Saver 9 and launch of Online Energy Saver 10 | |
| ScottishPower | 15.07.2010 | 15.07.2010 | Removal of Online Energy Reward | |
| Scottish Hydro-Electric | 15.07.2010 | 15.07.2010 | betterplan renamed betterplan plus 2010 and launch of new version of betterplan | |
| Southern Electric | 15.07.2010 | 15.07.2010 | betterplan renamed betterplan plus 2010 and launch of new version of betterplan | |
| SWALEC | 15.07.2010 | 15.07.2010 | betterplan renamed betterplan plus 2010 and launch of new version of betterplan | |
| ScottishPower | 08.07.2010 | 08.07.2010 | Launch of Price Tracker October 2011 | |
| npower | 05.07.2010 | 05.07.2010 | Launch of Sign Online 19 and removal of Sign Online 18 | |
| EDF Energy | 05.07.2010 | 05.07.2010 | Launch of Annual Fix v3 | |
| EDF Energy | 05.07.2010 | 05.07.2010 | Launch of Energy Discount Plan v3 | |
| Sainsbury's Energy | 05.07.2010 | 05.07.2010 | Launch of Annual Fix v3 | |
| Sainsbury's Energy | 05.07.2010 | 05.07.2010 | Launch of Energy Discount Plan v3 | |
| EON | 02.07.2010 | 02.07.2010 | Launch of SaveOnline v2 | |
| EON | 02.07.2010 | 02.07.2010 | Removal of Fix Online v8 | |
| EDF Energy | 28.06.2010 | 28.06.2010 | Removal of Online Saver v5 | |
| npower | 17.06.2010 | 17.06.2010 | Launch of Football Saver | |
| British Gas | 17.06.2010 | 17.06.2010 | Launch of WebSaver8 and removal of WebSaver7 | |
| Scottish Hydro-Electric | 10.06.2010 | 10.06.2010 | removal of Go Direct 4 and launch of Go Direct 5 | |
| Southern Electric | 10.06.2010 | 10.06.2010 | removal of Go Direct 4 and launch of Go Direct 5 | |
| Swalec | 10.06.2010 | 10.06.2010 | removal of Go Direct 4 and launch of Go Direct 5 | |
| Good Energy | 04.06.2010 | 04.06.2010 | Green and Gold removed from sale | |
| Good Energy | 04.06.2010 | 04.06.2010 | 100% Renewable Energy renamed simply 'Good Energy' | |
| E.ON | 03.06.2010 | 03.06.2010 | Launch of Track and Save V5 and removal of Track and Save V4 | |
| ScottishPower | 17.05.2010 | 17.05.2010 | Relaunch of Online Saver Version 9 | |
| E.ON | 04.05.2010 | 04.05.2010 | Launch of Age UK Online Saver | |
| npower | 04.05.2010 | 04.05.2010 | Launch of Go Fix 2 | |
| LoCo2 | 29.04.2010 | 29.04.2010 | Removal of Pocket Saver Fixed Tariff from the market | |
| ScottishPower | 28.04.2010 | 28.04.2010 | Launched Online Energy Reward | |
| ScottishPower | 28.04.2010 | 28.04.2010 | Launch of Discounted Energy Aug 2011 | |
| ScottishPower | 28.04.2010 | 28.04.2010 | Launch of Capped Price June 2012 | |
| OVO Energy | 27.04.2010 | 27.04.2010 | Removal of all variable rate tariffs. | |
| OVO Energy | 27.04.2010 | 27.04.2010 | Launch of new gas and electricity prices | |
| E.ON | 16.04.2010 | 16.04.2010 | Launch of FixOnline v8 and removal of FixOnlin v7 | |
| British Gas | 09.04.2010 | 09.04.2010 | Removal of WebSaver 6 and launch of WebSaver 7 | |
| British Gas | 09.04.2010 | 09.04.2010 | Removal of Online Saver and launch of Online Saver 2 | |
| E.ON Energy | 07.04.2010 | 07.04.2010 | Updates to Track and Save V1,2,3 and 4 | |
| E.ON Energy | 07.04.2010 | 07.04.2010 | Updates to Energy Guarantee V4 and 5 | |
| npower | 06.04.2010 | 06.04.2010 | Removal of SOL17 and launch of SOL18 | |
| npower | 06.04.2010 | 06.04.2010 | Launch of Price Guarantee tariff | |
| Telecom Plus | 01.04.2010 | 01.04.2010 | Update of gas prices across all tariffs. | |
| Scottish Hydro-Electric | 30.03.2010 | 30.03.2010 | Removal of Go Direct 3 and launch of Go Direct 4 | |
| SWALEC | 30.03.2010 | 30.03.2010 | Removal of Go Direct 3 and launch of Go Direct 4 | |
| Southern Electric | 30.03.2010 | 30.03.2010 | Removal of Go Direct 3 and launch of Go Direct 4 | |
| ScottishPower | 29.03.2010 | 29.03.2010 | Reduction is gas prices on Standard tariffs. | |
| E.ON Energy | 25.03.2010 | 25.03.2010 | Launch of Fix Online v7 and removal of v6 for new customers. | |
| OVO Energy | 24.03.2010 | 24.03.2010 | Launch of new variable rate tariff. | |
| OVO Energy | 24.03.2010 | 24.03.2010 | Reduction in gas prices on existing tariffs. | |
| first:utility | 12.03.2010 | 12.03.2010 | Update in tariff prices and discount structure on iSave v3 and Smart Online Saver v4 | |
| Atlantic Electric and Gas | 12.03.2010 | 12.03.2010 | Launch of Atlantic FP September 2011, replacing the existing March 2011 Atlantic Online FP version | |
| EDF Energy | 11.03.2010 | 11.03.2010 | Reduction in gas prices for the tariffs: Standard; Climate Balance; Energy Discount Plan v1 and v2; Online v1, v2, v3, v4, v5 and v6; Online S@ver v2 | |
| Sainsbury's Energy | 11.03.2010 | 11.03.2010 | Reduction in gas prices for the tariffs: Standard; Energy Discount Plan v1 and v2; Online Saver v2; | |
| npower | 09.03.2010 | 09.03.2010 | Reduction in gas prices on standard tariffs (including Juice and National Trust),SOL4, 5, 6 and 7 tariffs and Go Save tariffs. | |
| SWALEC | 05.03.2010 | 05.03.2010 | Reduction on standard gas prices announced, effective existing customers 29th March 2010. | |
| Southern Electric | 05.03.2010 | 05.03.2010 | Reduction on standard gas prices announced, effective existing customers 29th March 2010. | |
| Scottish Hydro-Electric | 05.03.2010 | 05.03.2010 | Reduction on standard gas prices announced, effective existing customers 29th March 2010. | |
| first:utility | 01.03.2010 | 01.03.2010 | Launch of Smart Dual fuel online saver v4 and removal of v3. | |
| first:utility | 01.03.2010 | 01.03.2010 | Launch of iSave Dual Fuel v3 and removal of v2 | |
| ScottishPower | 25.02.2010 | 25.02.2010 | Launch of Simply Green Energy | |
| EDF Energy | 24.02.2010 | 24.02.2010 | Launch of Fixed Price 2015 | |
| EDF Energy | 24.02.2010 | 24.02.2010 | Launch of Online Saver v6 and removal of Online Saver v4 | |
| ScottishPower | 24.02.2010 | 24.02.2010 | Removal of Green Energy H2O tariff | |
| EDF Energy | 22.02.2010 | 22.02.2010 | Launch of Annual Fix Version 2 and removal of Annual Fix Version 1 | |
| E.ON | 15.02.2010 | 15.02.2010 | Update of historic Guarantee v4 and v5 tariffs. | |
| E.ON | 15.02.2010 | 15.02.2010 | Update of historic Track and Save v1 and v2 tariffs. | |
| E.ON | 12.02.2010 | 12.02.2010 | Removal of Fix Online v5 and launch of Fix Online v6 | |
| ScottishPower | 12.02.2010 | 12.02.2010 | Re-instatement of Capped September 2011 tariffs | |
| ScottishPower | 11.02.2010 | 11.02.2010 | Removal of Capped September 2011 from the market | |
| ScottishPower | 11.02.2010 | 11.02.2010 | Removal of Discounted Energy December 2010 from the market | |
| British Gas | 11.02.2010 | 11.02.2010 | Removal of Price Promise June 2010 from the market | |
| ScottishPower | 11.02.2010 | 11.02.2010 | Removal of Fix n flex August 2010 from the market | |
| ScottishPower | 11.02.2010 | 11.02.2010 | Launch of Fix n Flex April 2011 tariff | |
| ScottishPower | 11.02.2010 | 11.02.2010 | Launch of Price Tracker April 2011 tariff | |
| first:utility | 10.02.2010 | 10.02.2010 | Launch of Standard Dual Fuel Tariff. | |
| E.ON | 09.02.2010 | 09.02.2010 | Revision to gas prices of Track and Save v3 | |
| ScottishPower | 06.02.2010 | 06.02.2010 | Launch of Online Energy Saver 9 and removal of Online Energy Saver 8 | |
| British Gas | 04.02.2010 | 04.02.2010 | Removal of WebSaver 5 and Launch of Websaver Saver 6. | |
| British Gas | 04.02.2010 | 04.02.2010 | Removal of Track and Save 2011 from the market | |
| Telecom Plus | 04.02.2010 | 04.02.2010 | Launch of revised pre-payment proces | |
| British Gas | 04.02.2010 | 04.02.2010 | Standard Gas tariffs reduced by up to 7% across the UK | |
| npower | 01.02.2010 | 01.02.2010 | Removal of Go Fix Tariffs for new customers. | |
| EDF Energy | 18.01.2010 | 18.01.2010 | Launch of Annual Fix Version 1 and Annual Fix Version 4 removed from the market to new customers. | |
| EDF Energy | 18.01.2010 | 18.01.2010 | Launch of Energy Discount Plan Version 2 and Energy Discount Plan removed from the market to new customers. | |
| Sainsbury's Energy | 18.01.2010 | 18.01.2010 | Launch of Annual Fix Version 1 and Annual Fix Version 4 removed from the market to new customers. | |
| Sainsbury's Energy | 18.01.2010 | 18.01.2010 | aunch of Energy Discount Plan Version 2 and Energy Discount Plan removed from the market to new customers. | |
| LoCo2 Energy | 29.10.2010 | 01.01.2010 | All tariff prices updated. | |
| Atlantic Electric and Gas | 29.12.2009 | 29.12.2009 | Electricity and Dual Fuel | Price decrease of Atlantic Online Fixed Price (FP) |
| E.ON | 21.12.2009 | 21.12.2009 | Electricity and Dual Fuel | Launch of E.ON FixOnline 5 |
| E.ON | 21.12.2009 | 21.12.2009 | Electricity and Dual Fuel | Removal of E.ON FixOnline 4 |
| EDF Energy | 18.12.2009 | 18.12.2009 | Electricity and Dual Fuel | Price decrease of Online S@ver v2 |
| LoCO2 Energy | 16.12.2009 | 16.12.2009 | Electricity | Launch of Planet |
| LoCO2 Energy | 16.12.2009 | 16.12.2009 | Electricity | Launch of Pocket |
| LoCO2 Energy | 16.12.2009 | 16.12.2009 | Electricity | Launch of Pocket+ |
| ScottishPower | 16.12.2009 | 16.12.2009 | Gas and Electricity | Launch of Online Energy Saver 8 |
| ScottishPower | 16.12.2009 | 16.12.2009 | Electricity and Dual Fuel | Removal of Online Energy Saver 7 |
| npower | 14.12.2009 | 14.12.2009 | All | Launch of Sign Online 17 |
| npower | 14.12.2009 | 14.12.2009 | Dual Fuel | Launch of Web v.17 |
| First Utility | 09.12.2009 | 09.12.2009 | Dual Fuel | Launch of Smart Dual fuel online saver V3 |
| British Gas | 07.12.2009 | 07.12.2009 | All | Launch of WebSaver 5 |
| npower | 04.12.2009 | 04.12.2009 | All | Launch of Go Save |
| EDF Energy | 20.11.2009 | 20.11.2009 | All | Launch of Online S@ver Version 4 |
| Sainsbury's Energy | 20.11.2009 | 20.11.2009 | All | Launch of Online S@ver Version 4 |
| British Gas | 12.11.2009 | 12.11.2009 | All | Price amendment of OnlineSaver |
| EDF Energy | 02.11.2009 | 02.11.2009 | All | Launch of Online S@ver v3 |
| EDF Energy | 02.11.2009 | 02.11.2009 | Electricity and Dual Fuel | Removal of Online S@ver v2 |
| EDF Energy | 02.11.2009 | 02.11.2009 | All | Removal of Online Version 5 |
| SSE | 30.10.2009 | 30.10.2009 | Electricity and Dual Fuel | Price amendment of Go Direct 2 |
| E.ON | 30.10.2009 | 30.10.2009 | Electricity and Dual Fuel | Launch of E.ON FixOnline 4 |
| E.ON | 30.10.2009 | 30.10.2009 | Electricity and Dual Fuel | Removal of E.ON FixOnline 3 |
| SSE | 26.10.2009 | 26.10.2009 | Electricity and Dual Fuel | Removal of Go Direct |
| SSE | 26.10.2009 | 26.10.2009 | Electricity and Dual Fuel | Launch of Go Direct 2 |
| E.ON | 22.10.2009 | 22.10.2009 | Electricity and Dual Fuel | Removal of E.ON EnergyDiscount 4 |
| E.ON | 22.10.2009 | 22.10.2009 | Electricity and Dual Fuel | Launch of E.ON EnergyDiscount 5 |
| npower | 19.10.2009 | 19.10.2009 | Dual Fuel | Launch of Go Fix |
| npower | 19.10.2009 | 19.10.2009 | Dual Fuel | Launch of Go Fix XL |
| EDF Energy | 12.10.2009 | 12.10.2009 | Electricity and Dual Fuel | Launch of Annual Fix Version 4 |
| EDF Energy | 12.10.2009 | 12.10.2009 | Electricity and Dual Fuel | Removal of Annual Fix Version 3 |
| ScottishPower | 09.10.2009 | 09.10.2009 | Electricity | Launch of Online Energy Saver 7 |
| E.ON | 08.10.2009 | 08.10.2009 | Electricity and Dual Fuel | Launch of E.ON Fixed Price 4 |
| E.ON | 08.10.2009 | 08.10.2009 | All | Launch of E.ON Track and Save 3 |
| ScottishPower | 02.10.2009 | 02.10.2009 | Dual Fuel | Price amendment of Online Energy Saver 7 |
| E.ON | 02.10.2009 | 02.10.2009 | Electricity and Dual Fuel | Price amendment of E.ON FixOnline 3 |
| E.ON | 28.09.2009 | 28.09.2009 | Gas and Dual Fuel | Launch of E.ON WinterGas |
| ScottishPower | 24.09.2009 | 24.09.2009 | Dual Fuel | Launch of Online Energy Saver 7 |
| ScottishPower | 24.09.2009 | 24.09.2009 | Dual Fuel | Removal of Online Energy Saver 6 |
| E.ON | 23.09.2009 | 23.09.2009 | Electricity and Dual Fuel | Price amendment of E.ON FixOnline 3 |
| SSE | 22.09.2009 | 22.09.2009 | Electricity and Dual Fuel | Price decrease of Go Direct |
| SSE | 16.09.2009 | 16.09.2009 | Electricity and Dual Fuel | Launch of Go Direct |
| First Utility | 11.09.2009 | 11.09.2009 | Dual Fuel | Launch of iSave |
| OVO Energy | 02.09.2009 | 02.09.2009 | Electricity and Dual Fuel | Launch of New Energy |
| Daligas | 21.08.2009 | 21.08.2009 | Electricity and Dual Fuel | Launch of E.ON FixOnline 3 |
| British Gas | 20.08.2009 | 20.08.2009 | All | Removal of WebSaver 3 |
| British Gas | 20.08.2009 | 20.08.2009 | All | Launch of WebSaver 4 |
| First Utility | 17.08.2009 | 17.08.2009 | Dual Fuel | Launch of Smart Dual fuel online saver V1 |
| British Gas | 12.08.2009 | 12.08.2009 | Dual Fuel | Launch of Track and Save 2011 |
| ScottishPower | 12.08.2009 | 12.08.2009 | Electricity and Dual Fuel | Launch of Capped Price Energy September 2010 |
| E.ON | 05.08.2009 | 05.08.2009 | Electricity and Dual Fuel | Launch of E.ON SaveOnline |
| E.ON | 23.07.2009 | 23.07.2009 | Electricity and Dual Fuel | Launch of E.ON EnergySaver 9 |
| EDF Energy | 22.07.2009 | 22.07.2009 | Electricity | Launch of Online Version 5 |
| npower | 20.07.2009 | 20.07.2009 | All | Launch of Sign Online 16 |
| npower | 20.07.2009 | 20.07.2009 | All | Removal of Sign Online 15 |
| npower | 20.07.2009 | 20.07.2009 | Dual Fuel | Launch of Web v.16 |
| npower | 20.07.2009 | 20.07.2009 | Dual Fuel | Removal of Web v.15 |
| ScottishPower | 16.07.2009 | 16.07.2009 | Dual Fuel | Launch of Online Energy Saver 6 |
| ScottishPower | 16.07.2009 | 16.07.2009 | Dual Fuel | Removal of Online Energy Saver 5 |
| Utilita | 15.07.2009 | 15.07.2009 | All | New version of Standard |
| Utilita | 15.07.2009 | 15.07.2009 | All | New version of energysaver |
| E.ON | 09.07.2009 | 09.07.2009 | Electricity and Dual Fuel | Launch of E.ON EnergyDiscount 4 |
| E.ON | 09.07.2009 | 09.07.2009 | Electricity and Dual Fuel | Removal of E.ON EnergyDiscount 3 |
| E.ON | 04.07.2009 | 04.07.2009 | Electricity and Dual Fuel | Removal of E.ON EnergySaver 8 |
| E.ON | 04.07.2009 | 04.07.2009 | All | Launch of E.ON Go Green |
| Spark Energy | 01.07.2009 | 01.07.2009 | Gas and Dual Fuel | Price amendment of Standard |
| Spark Energy | 01.07.2009 | 01.07.2009 | Gas and Dual Fuel | Price amendment of Standard Plus |
| First Utility | 25.06.2009 | 25.06.2009 | Electricity and Dual Fuel | Launch of Fix 'n' Flex Energy |
| ScottishPower | 22.06.2009 | 22.06.2009 | Electricity and Dual Fuel | Removal of PriceSure Energy |
| EDF Energy | 22.06.2009 | 22.06.2009 | Electricity and Dual Fuel | Launch of Annual Fix Version 3 |
| EDF Energy | 22.06.2009 | 22.06.2009 | Electricity and Dual Fuel | Removal of Annual Fix Version 2 |
| ScottishPower | 11.06.2009 | 11.06.2009 | Electricity and Dual Fuel | Launch of Pay in advance |
| ScottishPower | 29.05.2009 | 29.05.2009 | Dual Fuel | Launch of Online Energy Saver 5 |
| E.ON | 20.05.2009 | 20.05.2009 | Electricity and Dual Fuel | Launch of EnergyOnline Extra Saver 14 |
| E.ON | 20.05.2009 | 20.05.2009 | Electricity and Dual Fuel | Removal of Online Energy Saver 13 |
| E.ON | 20.05.2009 | 20.05.2009 | Electricity and Dual Fuel | Removal of E.ON FixOnline 2 |
| EDF Energy | 16.05.2009 | 16.05.2009 | Electricity and Dual Fuel | Launch of Online S@ver v1 |
| EDF Energy | 16.05.2009 | 16.05.2009 | Electricity and Dual Fuel | Removal of Online Version 6 |
| British Gas | 14.05.2009 | 14.05.2009 | All | Launch of Price Promise June 2010 |
| E.ON | 08.05.2009 | 08.05.2009 | Gas and Dual Fuel | Price decrease of E.ON Track and Save |
| E.ON | 08.05.2009 | 08.05.2009 | Gas and Dual Fuel | Price decrease of E.ON Track and Save 2 |
| E.ON | 08.05.2009 | 08.05.2009 | All | Price decrease of E.ON Energy Guarantee 4 |
| E.ON | 08.05.2009 | 08.05.2009 | All | Price increase of E.ON Energy Guarantee 5 |
| E.ON | 08.05.2009 | 08.05.2009 | Dual Fuel | Price increase of E.ON Energy Guarantee 6 |
| E.ON | 07.05.2009 | 07.05.2009 | Electricity and Dual Fuel | Launch of E.ON FixOnline 2 |
| E.ON | 07.05.2009 | 07.05.2009 | Electricity and Dual Fuel | Removal of E.ON FixOnline |
| British Gas | 07.05.2009 | 07.05.2009 | All | Launch of WebSaver 3 |
| British Gas | 07.05.2009 | 07.05.2009 | All | Removal of WebSaver 2 |
| E.ON | 28.04.2009 | 28.04.2009 | Gas and Dual Fuel | Launch of E.ON Track and Save 2 |
| EDF Energy | 27.04.2009 | 27.04.2009 | Electricity and Dual Fuel | Launch of Energy Discount Plan |
| E.ON | 23.04.2009 | 23.04.2009 | Gas and Dual Fuel | Removal of E.ON Track and Save |
| Ecotricity | 09.04.2009 | 09.04.2009 | Electricity | Price decrease of New Energy |
| Ecotricity | 09.04.2009 | 09.04.2009 | Electricity | Price decrease of New Energy Plus |
| E.ON | 09.04.2009 | 09.04.2009 | Electricity and Dual Fuel | Launch of E.ON EnergySaver 8 |
| British Gas | 06.04.2009 | 06.04.2009 | All | Removal of Price Guarantee 2010 |
| British Gas | 03.04.2009 | 03.04.2009 | All | Price amendment of WebSaver 2 |
| Telecom Plus | 01.04.2009 | 01.04.2009 | All | Price amendment of Dual Fuel - High User |
| E.ON | 31.03.2009 | 31.03.2009 | Electricity and Dual Fuel | Launch of E.ON EnergyDiscount 3 |
| E.ON | 31.03.2009 | 31.03.2009 | All | Removal of E.ON EnergySaver 7 |
| ScottishPower | 26.03.2009 | 26.03.2009 | Dual Fuel | Launch of Discounted Energy July 2010 |
| British Gas | 24.03.2009 | 24.03.2009 | All | Price amendment of WebSaver 2 |
| ScottishPower | 13.03.2009 | 13.03.2009 | Electricity and Dual Fuel | Removal of Capped Price Energy April 2010 |
| ScottishPower | 13.03.2009 | 13.03.2009 | Electricity and Dual Fuel | Launch of Capped Price Energy July 2010 |
| First Utility | 12.03.2009 | 12.03.2009 | Electricity and Dual Fuel | Launch of Smart Energy online v2 |
| First Utility | 12.03.2009 | 12.03.2009 | Electricity and Dual Fuel | Removal of Smart Energy online |
| E.ON | 12.03.2009 | 12.03.2009 | Electricity and Dual Fuel | Removal of EnergyOnline Extra Saver 12 |
| E.ON | 12.03.2009 | 12.03.2009 | Electricity and Dual Fuel | Launch of EnergyOnline Extra Saver 13 |
| SSE | 09.03.2009 | 09.03.2009 | Electricity and Dual Fuel | Launch of Fixed Price 3 September 2010 |
| npower | 06.03.2009 | 06.03.2009 | All | Launch of Sign Online 15 |
| npower | 06.03.2009 | 06.03.2009 | Dual Fuel | Launch of Web v.15 |
| npower | 06.03.2009 | 06.03.2009 | All | Removal of Sign Online 14 |
| npower | 06.03.2009 | 06.03.2009 | Dual Fuel | Removal of Web v.14.03 |
| E.ON | 27.02.2009 | 27.02.2009 | Electricity and Dual Fuel | Launch of E.ON FixOnline |
| British Gas | 19.02.2009 | 19.02.2009 | All | Launch of WebSaver 2 |
| British Gas | 19.02.2009 | 19.02.2009 | All | Removal of WebSaver 1 |
| British Gas | 19.02.2009 | 19.02.2009 | All | Launch of Price Guarantee 2010 |
| E.ON | 19.02.2009 | 19.02.2009 | All | Price amendment of Track and Save |
| E.ON | 19.02.2009 | 19.02.2009 | All | Price amendment of E.ON Energy Guarantee 4 |
| EDF Energy | 04.02.2009 | 04.02.2009 | Electricity and Dual Fuel | Removal of Annual Fix Version 1 |
| EDF Energy | 04.02.2009 | 04.02.2009 | Electricity and Dual Fuel | Launch of Annual Fix Version 2 |
| EDF Energy | 01.02.2009 | 01.02.2009 | Electricity and Dual Fuel | Launch of Eco20:20 |
| npower | 31.01.2009 | 31.01.2009 | Dual Fuel | Removal of Price Protector |
| EDF Energy | 19.01.2009 | 19.01.2009 | Electricity and Dual Fuel | Launch of Annual Fix Version 1 |
| EDF Energy | 19.01.2009 | 19.01.2009 | Electricity and Dual Fuel | Removal of Price Protection 2010 |
| E.ON | 15.01.2009 | 15.01.2009 | Electricity and Dual Fuel | Launch of EnergyOnline Extra Saver 12 |
| First Utility | 14.01.2009 | 14.01.2009 | Electricity and Dual Fuel | Launch of Smart Energy online |
| British Gas | 18.12.2008 | 18.12.2008 | All | Removal of Click Energy 6 |
| British Gas | 18.12.2008 | 18.12.2008 | All | Launch of WebSaver 1 |
| EDF Energy | 17.12.2008 | 17.12.2008 | All | Launch of Online Version 6 |
| E.ON | 11.12.2008 | 11.12.2008 | Electricity and Dual Fuel | Removal of E.ON EnergySaver 6 |
| E.ON | 11.12.2008 | 11.12.2008 | Electricity and Dual Fuel | Launch of E.ON EnergySaver 7 |
| E.ON | 11.12.2008 | 11.12.2008 | Electricity and Dual Fuel | Removal of E.ON Fixed Price 3 |
| ScottishPower | 27.11.2008 | 27.11.2008 | Electricity and Dual Fuel | Launch of Capped Price Energy April 2010 |
| ScottishPower | 27.11.2008 | 27.11.2008 | Electricity and Dual Fuel | Launch of PriceSure Energy |
| E.ON | 24.11.2008 | 24.11.2008 | Electricity and Dual Fuel | Removal of EnergyOnline Extra Saver 10 |
| E.ON | 24.11.2008 | 24.11.2008 | Electricity and Dual Fuel | Launch of EnergyOnline Extra Saver 11 |
| E.ON | 20.11.2008 | 20.11.2008 | Electricity and Dual Fuel | Launch of E.ON EnergyDiscount 2 |
| E.ON | 20.11.2008 | 20.11.2008 | Electricity and Dual Fuel | Removal of E.ON EnergyDiscount 2009 |
| EDF Energy | 17.11.2008 | 17.11.2008 | Electricity and Dual Fuel | Launch of Price Freeze 2009 |
| npower | 03.11.2008 | 03.11.2008 | All | Removal of Sign Online 13 |
| npower | 03.11.2008 | 03.11.2008 | All | Launch of Sign Online 14 |
| npower | 03.11.2008 | 03.11.2008 | Dual Fuel | Launch of Web v.14.03 |
| E.ON | 16.10.2008 | 16.10.2008 | Electricity and Dual Fuel | Launch of ElectricityOnline Extra Saver 10 |
| E.ON | 16.10.2008 | 16.10.2008 | Electricity and Dual Fuel | Removal of EnergyOnline Extra Saver 9 |
| E.ON | 13.10.2008 | 13.10.2008 | Electricity and Dual Fuel | Launch of E.ON EnergySaver 6 |
| E.ON | 02.10.2008 | 02.10.2008 | Electricity and Dual Fuel | Removal of Price Protection 2010 v18 |
| British Gas | 18.09.2008 | 18.09.2008 | All | Removal of Fixed Price 2011 |
| British Gas | 18.09.2008 | 18.09.2008 | All | Launch of Fixed Price 2012 |
| E.ON | 18.09.2008 | 18.09.2008 | Electricity and Dual Fuel | Removal of E.ON Fixed Price 2 |
| E.ON | 16.09.2008 | 16.09.2008 | Electricity and Dual Fuel | Launch of EnergyOnline Extra Saver 9 |
| Spark Energy | 11.09.2008 | 11.09.2008 | All | Price amendment of Standard |
| ScottishPower | 29.08.2008 | 29.08.2008 | All | All tariffs updated. |
| npower | 29.08.2008 | 29.08.2008 | All | All tariffs updated |
| E.ON | 21.08.2008 | 21.08.2008 | Electricity and Dual Fuel | Launch of Price Protection 2010 v18 |
| E.ON | 21.08.2008 | 21.08.2008 | Electricity and Dual Fuel | Launch of E.ON Fixed Price 2 |
| ScottishPower | 20.08.2008 | 20.08.2008 | Electricity and Dual Fuel | Launch of Fixed Price Energy Online |
| Utilita | 14.08.2008 | 14.08.2008 | All | Price updates for all tariffs. |
| E.ON | 06.08.2008 | 06.08.2008 | Dual Fuel | Launch of E.ON Energy Guarantee 6 |
| E.ON | 01.08.2008 | 01.08.2008 | Electricity and Dual Fuel | Removal of E.ON EnergySaver 4 |
| E.ON | 28.08.2014 | Electricity and Dual Fuel | Launch of E.ON Energy Fixed 1 Year v8 | |
| OVO Energy | 06.11.2014 | All | ||
| npower | 10.11.2014 | All | Launch of Online Price Fix January 2016 | |
| Extra Energy | 21.11.2014 | Electricity and Dual Fuel | Launch of Fresh Fixed Price Dec 2015 v3 | |
| Extra Energy | 12.12.2014 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Jan 2016 v1 | |
| iSupplyEnergy | 19.06.2015 | Electricity | Removal of iFix 201606 Direct v2 | |
| First Utility | Electricity and Dual Fuel | Removal of iSave Fixed September 2018 v6 | ||
| Extra Energy | 19.11.2015 | Electricity and Dual Fuel | Removal of Fresh Fixed Price Dec 2016 v7 | |
| iSupplyEnergy | 07.12.2015 | Electricity | Removal of iFix 201612 | |
| EnergySW | 20.04.2016 | Electricity and Dual Fuel | Price amendment of EnergySW PAYG |