Europe’s heatwave drives electricity prices to new highs as demand soars

European electricity prices surged on Tuesday, June 23, 2026, as a heatwave drove demand for cooling and reduced renewable energy output. Great Britain, in particular, paid over six times the usual price for imported power. This spike is attributed to a high-pressure heat dome that has slowed wind speeds, impacting windfarm generation. Simultaneously, multiple gas power plants across the continent experienced outages, further exacerbating the supply-demand imbalance. The increased reliance on air conditioning and electric fans by millions of consumers battling record high temperatures has placed unprecedented strain on energy grids. This situation highlights the vulnerability of energy systems to extreme weather events and the challenges of maintaining stable electricity prices during prolonged heatwaves. The combination of soaring demand and diminished supply has created a critical juncture for energy markets across Europe, prompting concerns about energy security and affordability.