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Gas & Electricity price changes Nov 2010 to Dec 2012 (The Big Six Co’s) |
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Scottish Power |
SSE |
British Gas |
Npower |
E.On |
EDF |
|
Nov 2010 |
G:2% E:8.9% |
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|
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|
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Dec 2010 |
|
G:9.4% |
G:7% E:7% |
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Jan 2011 |
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|
|
G:5.1% E:5.1% |
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Feb 2011 |
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|
|
|
G:3% E:9% |
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Mar 2011 |
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|
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|
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G:6.5% E:7.5% |
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Aug 2011 |
G:19% E:10% |
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G:18% E:16% |
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Sept 2011 |
|
G:18% E:11% |
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|
G:18.1% E:11.4% |
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Oct 2011 |
|
|
|
G:15.7% E:7.2% |
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Nov 2011 |
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|
|
|
|
G:15.4% E:4.5% |
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Jan 2012 |
|
|
E:-5% |
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Feb 2012 |
G:-5% |
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|
G:-5% |
E:-6% |
G:-5% |
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Mar 2012 |
|
G:-4.5% |
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|
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Oct 2012 |
|
G:9% E:9% |
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|
|
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Nov 2012 |
|
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G:6% E:6% |
G:8.8% E:9.1% |
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Dec 2012 |
G:7% E:7% |
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|
|
|
G:10.8% E:10.8% |
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% increase over period |
G:23.38% E:21.77% |
G:34.38% E:20.99% |
G:33.84% E:24.99% |
G:25.69% E:22.92% |
G:21.64% E:14.14% |
G:29.37% E:24.47% |
| G=Gas E=Electricity | ||||||
NOTES:
The above table will keep its November 2010 base date (datum) and be updated with future price changes
The above table does not reflect variables like dual fuel tariffs or fixed period tariffs
Data Source: http://www.bbc.co.uk/news/world-20093259 26 October 2012 (N.B. British Gas Jan12 reduction was on Electricity not Gas), and with minor correction for E.On Sept 2011 rises with data from http://pressreleases.eon-uk.com/blogs/eonukpressreleases/archive/2011/08/05/1729.aspx
‘% increases over period’ have been calculated using compound interest logic and based on the above data
Co-operative Energy has announced on 16 November 2012 that it is lowering electricity prices by 2% from 21 December 2012; see: http://www.cooperativeenergy.coop/2012/11/16/co-operative-energy-goes-against-the-trend-and-reduces-its-prices-this-winter/