France temporarily shuts down three nuclear reactors over heatwave
Summary
France has temporarily shut down three nuclear reactors and reduced power on eight others because of a heatwave. This action helps protect the environment by preventing the release of too-hot water into rivers already warmed by the heat.Key Facts
- Three nuclear reactors were shut down at Golfech, Bugey, and Chooz plants in France.
- Eight other reactors are operating at reduced power.
- The shutdowns are due to an environmental rule to keep river water temperatures safe.
- Nuclear plants use river water to cool reactors, which heats the water before it is released back.
- France is experiencing its third major heatwave since May 2026, with temperatures up to 41°C (about 106°F).
- The heatwave has affected over 25 million people and caused events cancellations and early closures in tourist areas.
- The government issued an exemption allowing higher river temperatures near the Bugey plant until July 20 to keep the power grid stable.
- These measures follow similar reactor shutdowns in June due to extreme heat.
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