This statistic shows the weighted average cost of electricity (WACOE) of the domestic electricity supply of United Kingdom (UK) based energy supplier Scottish Power from 2010 to 2018. The average costs peaked at 78.2 British pounds per megawatt hour in 2011 but dropped to 59.2 British pounds per megawatt hour in 2012. In 2018, the WACOE amounted to 53.2 British pounds per megawatt hour.
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Scottish Power WACOE* of the domestic electricity supply in the United Kingdom (UK) from 2010 to 2018
(in British pounds per megawatt hour)
Since 2009, the Office of Gas & Electricity Markets (OFGEM) require the so-called 'Big Six' large energy suppliers to provide an annual consolidated statement (CSS) to show the costs, revenues and profits for the different segments of their generation and supply businesses.
* ‘WACOF/E/G’ is weighted average cost of fuel (nuclear), electricity (supply) and gas (thermal and supply) calculated by dividing direct fuel costs by volumes. For the Thermal sub-segment the cost of carbon emissions is added to direct fuel costs before dividing by the generated volume. The weighted average is only given for the conventional electricity generation.
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Ofgem, & Scottish Power. (April 29, 2019). Scottish Power WACOE* of the domestic electricity supply in the United Kingdom (UK) from 2010 to 2018 (in British pounds per megawatt hour) [Graph]. In Statista. Retrieved July 08, 2025, from https://www.statista.com/statistics/567219/scottish-power-energy-domestic-electricity-supply-wacoe/
Ofgem, und Scottish Power. "Scottish Power WACOE* of the domestic electricity supply in the United Kingdom (UK) from 2010 to 2018 (in British pounds per megawatt hour)." Chart. April 29, 2019. Statista. Accessed July 08, 2025. https://www.statista.com/statistics/567219/scottish-power-energy-domestic-electricity-supply-wacoe/
Ofgem, Scottish Power. (2019). Scottish Power WACOE* of the domestic electricity supply in the United Kingdom (UK) from 2010 to 2018 (in British pounds per megawatt hour). Statista. Statista Inc.. Accessed: July 08, 2025. https://www.statista.com/statistics/567219/scottish-power-energy-domestic-electricity-supply-wacoe/
Ofgem, and Scottish Power. "Scottish Power Wacoe* of The Domestic Electricity Supply in The United Kingdom (Uk) from 2010 to 2018 (in British Pounds per Megawatt Hour)." Statista, Statista Inc., 29 Apr 2019, https://www.statista.com/statistics/567219/scottish-power-energy-domestic-electricity-supply-wacoe/
Ofgem & Scottish Power, Scottish Power WACOE* of the domestic electricity supply in the United Kingdom (UK) from 2010 to 2018 (in British pounds per megawatt hour) Statista, https://www.statista.com/statistics/567219/scottish-power-energy-domestic-electricity-supply-wacoe/ (last visited July 08, 2025)
Scottish Power WACOE* of the domestic electricity supply in the United Kingdom (UK) from 2010 to 2018 (in British pounds per megawatt hour) [Graph], Ofgem, & Scottish Power, April 29, 2019. [Online]. Available: https://www.statista.com/statistics/567219/scottish-power-energy-domestic-electricity-supply-wacoe/