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Solar is EU’s biggest power source for the first time ever
In June 2025, solar was the largest source of EU electricity for the first time, with multiple countries producing record amounts of solar power. Wind power in the EU started the summer strongly, with the highest ever generation for the months of May and June.
Solar power generated 22.1% of EU electricity (45.4 TWh) in June 2025, more than any other power source. This is an increase of 22% from June 2024. In second place was nuclear with 21.8% (44.7 TWh), followed by wind with 15.8% (32.4 TWh).
At least thirteen EU countries set new monthly solar records
Solar reached new highs in the majority of EU countries in June 2025, with at least thirteen countries recording their highest ever month of solar generation. These solar records are largely a result of continuing installations of solar in recent years, alongside stretches of hot and sunny weather. Record solar helped the EU power system to handle higher levels of demand resulting from heatwaves that gripped the continent towards the end of June.