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: 23rd February 2009.
| Supplier | Date Updated | Date Effective | Details |
| EDF Energy | 23.02.2009 | 23.02.2009 | All tariffs updated, effective existing customers from 31st March 2009. |
| EDF Energy | 09.02.2009 | 09.02.2009 | Removal of Annual Fix v1 and launch of Annual Fix v2 |
| British Gas | 03.02.2009 | 03.02.2009 | Gas prices reduced on all tariffs except Web Saver 1, effective for new customers from 19 02 2009. |
| npower | 01.02.2009 | 01.02.2009 | Price Protector no longer available to any new customers. |
| first:utility | 28.01.2009 | 28.01.2009 | Removal of charges for Smart Meters. |
| EDF Energy | 19.01.2009 | 19.01.2009 | Annual Fix v1 launched and all other fixed price tariffs removed from sale. |
| Good Energy | 16.01.2009 | 16.01.2009 | Reduction in electricity prices. |
| E.ON | 15.01.2009 | 15.01.2009 | Extra Saver v11 tariffs removed from the market and replaced with Extra Saver v12. |
| ScottishPower | 05.01.2009 | 05.01.2009 | Reduction in gas price for PriceSure tariff |
| British Gas | 18.12.2008 | 18.12.2008 | Launch of WebSaver 1 |
| British Gas | 18.12.2008 | 18.12.2008 | Removal of Click Energy 6 from the market. |
| EDF Energy | 17.12.2008 | 17.12.2008 | Launch of Energy Online v6 as a dual fuel tariff. |
| E.ON | 11.12.2008 | 11.12.2008 | Launch of Track and Save |
| E.ON | 11.12.2008 | 11.12.2008 | Launch of Energy Saver v7 and removal of Energy Saver v6 |
| E.ON | 11.12.2008 | 11.12.2008 | Removal of Fixed Price v3 |
| npower | 04.12.2008 | 04.12.2008 | Gas prepayment prices reduced |
| ScottishPower | 27.11.2008 | 27.11.2008 | Launch of Capped Price Energy and PriceSure Energy |
| British Gas | 27.11.2008 | 27.11.2008 | Reduction in prepayment prices |
| Scottish and Southern Energy | 27.11.2008 | 27.11.2008 | Reduction of 3% across gas prepayment tariffs |
| E.ON | 24.11.2008 | 24.11.2008 | Removal of Energy Online Extra Saver V10 |
| E.ON | 24.11.2008 | 24.11.2008 | Launch of Energy Online Extra Saver V11 |
| E.ON | 20.11.2008 | 20.11.2008 | Removal of E.ON Energy Discount 2009 and E.ON Electricity Discount 2009 |
| E.ON | 20.11.2008 | 20.11.2008 | Launch of E.ON Energy Discount v2 and Electricity Discount v2 |
| EDF Energy | 17.11.2008 | 17.11.2008 | Launch of Price Freeze 2009. |
| npower | 03.11.2008 | 03.11.2008 | Launch of a new tariff named Web v14 |
| npower | 03.11.2008 | 03.11.2008 | removal of SOL v13 and launch of SOL v14 |
| E.ON | 01.11.2008 | 01.11.2008 | Update of prices of Energy Online Extra Saver V8 and Electricity Online Extra Saver V8. |
| Union Energy | 31.10.2008 | 31.10.2008 | Union Energy now no longer being sold to any new customers. |
| E.ON | 16.10.2008 | 16.10.2008 | Launch of Energy Online Extra Saver v10 and removal of Energy Online Extra Saver v9 |
| E.ON | 13.10.2008 | 13.10.2008 | Launch of Energy Saver v6 and removal of Energy Saver v5 |
| E.ON | 02.10.2008 | 02.10.2008 | Launch of Fixed Price v3 with prices fixed to 1 Jul 2010. |
| EDF Energy | 01.10.2008 | 01.10.2008 | Launch of Online Electricity only Tariff V6 |
| EDF Energy | 01.10.2008 | 01.10.2008 | Launch of Price Protection 2010 |
| EBICo | 30.09.2008 | 30.09.2008 | Increase in gas prices by 32% and electricity prices by 24%. Effective for existing customers from 2 Oct 2008. |
| British Gas | 30.09.2008 | 30.09.2008 | Launch of Click Energy 6. |
| British Gas | 30.09.2008 | 30.09.2008 | Click Energy 5 gas prices increased by 45% for existing customers and gas by 20% for existing customers. |
| British Gas | 18.09.2008 | 18.09.2008 | Removal of Fixed Price 2011. |
| E.ON Energy | 18.09.2008 | 18.09.2008 | Removal of Fixed Price Version 2 from market. |
| British Gas | 18.09.2008 | 18.09.2008 | Launch of Fixed Price 2012 |
| E.ON | 16.09.2008 | 16.09.2008 | Launch of EnergyOnline Extra Saver v9 |
| Spark Energy | 11.09.2008 | 11.09.2008 | Increase in both Standard and Standard Plus tariffs |
| Green Energy | 03.09.2008 | 03.09.2008 | Increase in both pale and deep green tariffs. |
| Utilita | 03.09.2008 | 03.09.2008 | Removal of 7.5% loyalty discount that was available on the energysaver tariff. |
| Telecom Plus | 01.09.2008 | 01.09.2008 | Increase in gas and electricity prices |
| Good Energy | 01.09.2008 | 01.09.2008 | Increase in electricity prices by 15.7% average across the UK. |
| Ecotricity | 01.09.2008 | 01.09.2008 | Increase in electricity prices in ScottishPower and npower first tier territories |
| ScottishPower | 29.08.2008 | 29.08.2008 | Increase gas prices by 34.4% and electrcity prices by 9.4% |
| npower | 29.08.2008 | 29.08.2008 | Increase gas by 26% and electricity prices by 14%. |
| E.ON | 28.08.2008 | 28.08.2008 | Launch of new Age Concern and Age Concern High User tariffs |
| Scottish and Southern Energy | 25.08.2008 | 25.08.2008 | Electricity prices increased by 19.2% (average) and gas prices by 29.2%. |
| E.ON | 22.08.2008 | 22.08.2008 | Launch of E.ON Energy Discount 2009 and E.ON Electricity Discount 2009 |
| EON | 21.08.2008 | 21.08.2008 | Update of all EON Tariffs ongoing except Energy Online Extra Saver. Average increase 26% on gas and 16% on electtricity. |
| ScottishPower | 20.08.2008 | 20.08.2008 | Removal of Fixed Price Oct 2009 and launch of Fixed Price Energy Online |
| Utilita | 14.08.2008 | 14.08.2008 | All tariffs increased. |
| ScottishPower | 11.08.2008 | 11.08.2008 | Advance Launch of Fixed Price Energy Oct 2009 on a pre-registration basis. |
| E.ON | 06.08.2008 | 06.08.2008 | Launch of Energy Guarantee v6 |
| Ecotricity | 01.08.2008 | 01.08.2008 | Increase in both New Energy and New Energy Plus in areas 12, 19 and 22 |
| E.ON | 01.08.2008 | 01.08.2008 | Removal of Price Protection v17 and Energy Saver v4 tariffs. |
| British Gas | 31.07.2008 | 31.07.2008 | Launch of Fixed Price 2011 |
| British Gas | 31.07.2008 | 31.07.2008 | Increase electricity prices by 9% and gas by 35% |
| E.ON | 30.07.2008 | 30.07.2008 | Removal of all Energy Guarantee Tariffs |
| ScottishPower | 29.07.2008 | 29.07.2008 | Removal of Fixed Price Energy 2009. |
| EDF Energy | 25.07.2008 | 25.07.2008 | Electricity prices increased by 17% and gas prices by 22% |
| npower | 25.07.2008 | 25.07.2008 | ONE tariff removed from sale. |
| E.ON | 24.07.2008 | 24.07.2008 | Update of name only: EnergyOnline Extra Saver 7 becomes EnergyOnline Extra Saver 8 |
| E.ON | 22.07.2008 | 22.07.2008 | Removal of Energy Saver v3 and launch of Energy Saver v4 |
| E.ON | 22.07.2008 | 22.07.2008 | Removal of Price Protection v16 and launch of Price Protection v17 |
| Scottish and Southern Energy | 03.07.2008 | 03.07.2008 | New Fixed Discount 2010 product added |
| npower | 30.06.2008 | 30.06.2008 | Removal of Sign Online v11 and launch of Sign Online v12 |
| E.ON | 26.06.2008 | 26.06.2008 | Removal of Energy Saver v2 and launch of Energy Saver v3 |
| E,ON | 26.06.2008 | 26.06.2008 | Removal of Price Protection v15 and launch of Price Protection v16 |
| npower | 22.06.2008 | 22.06.2008 | Removal of Fixed Price 2011 |
| Atlantic Electric and Gas | 12.06.2008 | 12.06.2008 | Removal of all Online tariffs |
| Scottish and Southern Energy | 12.06.2008 | 12.06.2008 | Removal of gas across all S&SE brands as a single fuel product. |
| E.ON | 05.06.2008 | 05.06.2008 | Replacement of EnergyOnline Extra Saver v6 with v7. |
| E.ON | 05.06.2008 | 05.06.2008 | Replacement of ElectricityOnline Extra Saver v6 with v7.and launching EnergyOnline Extra Saver V7 (SC and NSC) and ElectricityOnline Extra Saver V7 |
| ScottishPower | 05.06.2008 | 05.06.2008 | Launch of pre-registration facility for Fixed Price 2009 tariffs. |
| E.ON | 02.06.2008 | 02.06.2008 | Replacement of Energy Saver V1 and Price Protection V14 with Energy Saver V2 and Price Protection V15 respectively. |
| Utilita | 01.06.2008 | 01.06.2008 | Removal of one of the discounts on the energy saver tariff. |
| British Gas | 30.05.2008 | 30.05.2008 | Click Energy 5 - reduction in gas prices |