Chart: How British electricity supplies are shifting decisively away from fossil fuels - Carbon Brief

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Share of half-hour periods when fossil fuels supplied a given share of electricity on the GB grid in each year 2009-2024 to date. Red: Periods that were more than 50% reliant on fossil fuels. Blue: Periods less than 50% reliant on fossil fuels. Source: Carbon Brief analysis of data from NGESO. Chart by Tom Pearson for Carbon Brief.