Heatwave Threatens Nuclear Output on France's Rhone River
High water temperatures are set to affect nuclear power production on the Rhone River, particularly impacting the Bugey nuclear plant. The heatwave, anticipated to bring temperatures up to 38°C, may influence cooling water regulatory thresholds. EDF might lower production at individual reactors to maintain operations.
Nuclear operator EDF has issued a warning that high water temperatures are expected to impair electricity production on France's Rhone River, particularly impacting the Bugey nuclear plant starting June 25.
This advisory marks the first alert for elevated river temperatures in France for 2025. The upcoming heatwave is projected to drive temperatures to approximately 38°C, posing a threat to environmental regulations concerning cooling water cycles.
While the Cruas and Saint-Alban nuclear plants, situated downriver, were not included in this alert, they also face potential challenges. EDF often mitigates impact by adjusting output rather than shutting entire plants, crucial as nuclear power makes up 70% of France's annual energy consumption.
(With inputs from agencies.)
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