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Gas & Electricity Price Changes - 2004 / 2005 / 2006 / 2007 / 2008

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Here at SimplySwitch we keep track of all the gas and electricity price changes in the UK energy market right back to 2004, so you always have the most up to date information on which energy suppliers are raising or lowering their prices.

Remember that the energy prices and suppliers vary from area to area so you can use our energy price calculator to get an accurate comparison of all the gas and electricity suppliers in your area to find the lowest price.



Energy company Date effective Increase details / Decrease details
     
Scottish Hydro 03/07/2008 New tariff, Fixed Discount 2010
Southern Electric 03/07/2008 New tariff, Fixed Discount 2010
Swalec 03/07/2008 New tariff, Fixed Discount 2010
Npower 30/06/2008 New Tariff, Sign Online V12.
Withdrawn, Sign Online V11.
E.on 26/06/2008 New Tariff, Energy Saver V3.
Withdrawn, Energy Saver V2 .
E.on 26/06/2008 New Tariff, Price Protection V16.
Withdrawn, Price Protection V15.
British Gas 24/06/2008 New Tariff, Click Pay as You Go.
Npower 22/06/2008 Withdrawn, Fixed 2011.
Scottish Power 13/06/2008 New Tariff, Fixed Price Energy 2009.
E.on 05/06/2008 New Tariff, Online Extra Saver V7.
Withdrawn, Extra Saver V6.
E.on 02/06/2008 New Tariff, Energy Saver V2.
Withdrawn, Energy Saver V1.
E.on 02/06/2008 New Tariff, Price Protection V15.
Withdrawn, Price Protection V14.
British Gas 03/06/2008 Price Rise, Market Tracker, Average rise of 14.88%.
Utilita 01/06/2008 Price Rise, Price no longer include the £15(incl VAT) Loyalty Discount.
nPower 04/01/2008 Increase of 17.2 percent for gas and 12.7 percent for electricity
Scottish Power 15/06/2007 Decrease of up to 16.5% for gas and up to 5.5% for electricity
EDF Energy 15/06/2007 Decrease of 10.2% for gas
E.ON/Powergen 30/04/2007 Decrease of 16% for gas and 5% for electricity
npower 30/04/2007 Decrease of 16% for gas and average 3% for electricity
British Gas 26/04/2007 Decrease of 3% for gas and 6% for electricity
Scottish and Southern Energy 01/04/2007 Decrease of 5% for electricity bills
British Gas 12/03/2007 Decrease of 11% for electricity and 17% for gas
Scottish and Southern Energy 01/03/2007 Decrease of 12% for gas
Scottish and Southern Energy 01/01/2007 Increase of 9.4% for electricity and 12.2% for gas
npower 01/10/2006 Increase of 9.9% for electricity and 17.2% for gas
EBICo 21/09/2006 Increase of 21.41% electricity and 31.34% for gas
British Gas 04/09/2006 Increase of 9.4% for electricity and 12.4% for gas
E.ON/Powergen 21/08/2006 Increase of 9.7% for electricity and 18.4% for gas
EDF Energy 31/07/2006 Increase of 8% for electricity and 19% for gas
Scottish Power 10/07/2006 Increase of 10% for electricity and 17% for gas
Scottish and Southern Energy 01/05/2006 Increase of 9.4% for electricity and 16.5% for gas
npower 31/03/2006 Increase of 13.4% for electricity and 15% for gas
EDF Energy 13/03/2006 Increase of 4.7% for electricity and 14.7% for gas
E.ON/Powergen 10/03/2006 Increase of 18.4% for electricity and 24.4% for gas
British Gas 01/03/2006 Increase of 22% for electricity and gas
Scottish Power 01/03/2006 Increase of 8% for electricity and 15% for gas
npower 01/01/2006 Increase of 12% for electricity and 13.7% for gas
Scottish and Southern Energy 01/01/2006 Increase of Electricity up between 8.9 and 12%, gas up 13.6%
Scottish Power 17/10/2005 Increase of 5% to 8% for electricity and 12% for gas
British Gas 19/09/2005 Increase of 14.2% for electricity and gas
E.ON/Powergen 31/08/2005 Increase of 7.2% for electricity and 11.9% for gas
EDF Energy 05/08/2005 Increase of 10.7% for electricity and 12% for gas
Atlantic Electric & Gas March to July 2005 Increase of 6.7% for electricity and 9.1% for gas
Scottish and Southern Energy 01/07/2005 Increase of 6.7% for electricity and 9.1% for gas
Scottish Power 01/03/2005 Increase of 8% for electricity and 11.8% for gas (pre payment only)
E.ON/Powergen Age Concern 01/03/2005 Increase of 8.9% for electricity and 9.6% for gas
E.ON/Powergen Energy Online 31/01/2005 Increase of 8.9% for electricity and 9.6% for gas
EDF Energy 17/01/2005 Increase of 5.4 % for electricity and 8.1% for gas
Scottish Power 10/01/2005 Increase of Average 9.64% for electricity and 11.46% for gas
E.ON/Powergen 29/11/2004 Increase of 8.9% for electricity and 9.6% for gas
Scottish Power 01/10/2004 Increase of 8% for electricity and 11.8% for gas
npower 01/10/2004 Increase of 7.6% for electricity and 11.8% for gas - capped until 2006
British Gas 20/09/2004 Increase of 9.4% for electricity and 12.4% for gas
EDF Energy 13/09/2004 Increase of 3.8% for electricity and 3.5% for gas
E.ON/Powergen 06/09/2004 Increase of 3.1% for gas
Scottish Power 09/08/2004 Increase of Online customers brought in-line with off-line customers - 7.9% increase for electricity and 8.8% increase for gas
E.ON/Powergen 13/07/2004 Increase of 1.9% (average) for Staywarm customers
Atlantic Electric & Gas 05/07/2004 Increase of Up to 16% for electricity and 22% for gas
Scottish and Southern Energy 01/07/2004 Increase of 9% on gas for customers who joined before Feb 04 and 4% on gas for customers who joined after Feb 04. Electricity up by 3.7% in England and Wales and 2.9% in Scotland
Scottish Power 01/06/2004 Increase of 5% for gas and electricity - takes effect in Scottish-Hydro, Southern and SWALEC regions
E.ON/Powergen 05/04/2004 Increase of 6% for pre-pay electricity customers and 3.5% for pre-pay gas customers. 6.7% for Age Concern Affinity Gas customers
Scottish Power 01/04/2004 Increase of 5% for gas and electricity - takes effect in London, Midlands, Seeboard, SWEB and Yorkshire regions
npower 01/04/2004 Increase of 5.8% for electricity
Scottish Power 01/03/2004 Increase of 5% for gas and electricity - takes effect in Eastern, East Midlands, Norweb, Manweb and Scottish Power regions
EDF Energy 01/03/2004 Increase of 6.7% for electricity and 4.6% for gas
npower 01/02/2004 Increase of 5.2% for gas
British Gas 01/01/2004 Increase of 6% electricity and gas
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