Key highlights from the the report “Solar is EU’s biggest power source for the first time ever” by EMBER are:
-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).
-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.
-Wind farms generated 16.6% (33.7 TWh) and 15.8% (32.4 TWh) of EU electricity in May and June respectively, the highest amounts ever in these months. This marks an impressive turnaround from relatively poor wind conditions at the start of the year. While wind conditions were the main driver, new wind capacity has continued to be added since June 2024, with several large offshore wind farms commissioned over this period.
-As a result of high renewable generation, coal generated the lowest ever share of EU electricity in June 2025. Total fossil generation was also low in June, but has increased over the first half of 2025, mainly due to unusually low hydropower and wind generation, and increasing demand.
Access the report here
