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Heatwave Drought Forces French, Hungary, Romania Nuclear Cuts

9/1/2026

26 2 Full Breakdown

Summary

Story summary

Heatwave droughts forced nuclear plants in France, Hungary, and Romania to cut output in summer 2026.
Each nuclear reactor uses 1,514–2,725 litres of water per megawatt hour, making water scarcity a critical risk.
France generated 68.8% of its electricity from nuclear in 2025, the EU’s highest share.
Battery energy storage systems reached over 100 GWh in 2025, enough to power about 75 million homes.

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Story summary

Heatwave droughts forced nuclear plants in France, Hungary, and Romania to cut output in summer 2026.
Each nuclear reactor uses 1,514–2,725 litres of water per megawatt hour, making water scarcity a critical risk.
France generated 68.8% of its electricity from nuclear in 2025, the EU’s highest share.
Battery energy storage systems reached over 100 GWh in 2025, enough to power about 75 million homes.