Summer is heating up across Europe, putting a strain on the power grid as air conditioning demand soars. In one notable incident, a nuclear plant in southern France had to close due to excessively hot water used for cooling.

The challenge extends beyond just generation; transmission infrastructure is also affected by high temperatures. As climate change drives more extreme weather events, grid planners face unprecedented pressure to ensure reliability.

In Europe, where air conditioning use has traditionally been low, demand is starting to rise as summers become hotter. This shift means utilities must import power from neighboring countries and deal with higher prices, a scenario reminiscent of the US experience.

Climate change is not just squeezing grid supply—it’s also altering seasonal demands. Grid operators in Europe typically plan maintenance during winter months due to heating needs, but now face challenges as heat-related outages become more frequent.

The outlook for next summer could be even hotter, with predictions that 2027 might witness record-breaking temperatures due to the El Niño weather pattern. Communities and utilities must prepare for a future where summers are not just hot, but potentially catastrophic without robust infrastructure.