France Shuts Nuclear Reactors Amid Record Heatwave and Environmental Concerns

France's state-owned energy company EDF has temporarily shut down two nuclear reactors due to a record-breaking heatwave that poses environmental risks. The reactors, located at the Nogent-sur-Seine plant and the Bugey facility, were taken offline as a precautionary measure to protect river ecosystems from elevated water temperatures. As of Monday, at least 18 heat-related deaths have been reported in France, alongside numerous drownings since mid-June.

The shutdowns were mandated by environmental regulations that require EDF to monitor river temperatures closely. Nuclear plants typically use river water for cooling, returning it at slightly elevated temperatures. During heatwaves, when river temperatures rise, operators must reduce output to prevent harming aquatic life. Earlier this week, production at Nogent-sur-Seine had already been curtailed to comply with legal discharge temperature limits.

Despite these challenges, France's grid operator RTE has assured that the country has sufficient electricity generation capacity to meet demand, even with the outages affecting some of EDF's 57 reactors, which supplied nearly 70% of the nation’s electricity last year. Additional reactors across the fleet have also seen reduced output as the heatwave continues to impact operations.

The ongoing heatwave has raised concerns not only about energy production but also about public health and safety, prompting authorities to urge caution as temperatures remain dangerously high. The situation highlights the vulnerabilities of energy infrastructure in the face of climate-related challenges.