Heat and power impacts of the 2025 heatwave in Europe

Heatwaves are becoming more frequent in Europe, putting electricity grids under severe stress. The 2025 heatwave for example increased the daily power demand by up to 14%. Combined with thermal power plant outages, this led to a 2–3 times increase in average daily power prices. With rising air and water temperatures, the cooling of thermal power plants becomes more challenging […]