> At least 13 EU countries also had their highest ever month of solar generation in June, as new solar capacity installed in recent years paid off amid hot and sunny weather. The top record setters were the Netherlands (40.5%) and Greece (35.1%).

The headline has lost a few words and changed meaning slightly, full title:

Solar is EU’s biggest power source for the first time ever in June 2025

Oops, thank you, I fixed it!