Europe is experiencing its first major heatwave of the season, leading to record temperatures in the UK and France. This has resulted in a surge in solar power output, causing negative electricity prices in some areas due to supply exceeding demand. However, while this may seem beneficial for consumers, it does not lower energy bills. The heatwave also poses challenges for other renewable energy sources, as high temperatures can hinder their output. The outdated energy grid in Europe struggles to accommodate the renewables boom, and solutions like battery storage and grid investment are necessary to address negative pricing issues.