A new analysis by the UK’s Energy and Climate Intelligence Unit (ECIU) has shown that British wind farms helped limit the role of gas power plants in setting prices, cutting power prices by almost a third. The new analysis was penned by Jess Ralston, the head of energy at the ECIU, based on the same public data sources and methodology used in the October report ‘Marginal Gains: how wind is pushing gas out of the power market and cutting costs’.
According to the original October report, Great Britain’s day-ahead wholesale prices in 2024 could have been up to 33 per cent higher had there been no large-scale wind capacity, which would have opened the door for gas generation to make up the difference. This conclusion was subsequently reaffirmed by Ralston in an ECIU press release and subsequent LinkedIn post based on data for 2025.
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