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EDF warns of nuclear output curbs on 30C hot spell


10 May 2022 08:47




10 May 2022 08:47

(Montel) EDF on Tuesday warned of output curbs at its French nuclear reactors due to “high” river temperatures amid a 30C hot spell.

“Due to the high temperatures of some rivers, production restrictions are likely to affect EDF's nuclear production from Monday May 9 to Sunday May 15 and more particularly the Blayais site,” the firm said in a Remit message.

It cut capacity by 110 MW at its Blayais 1 (910 MW) reactor in the southwest of France on Monday afternoon until early today due to “environmental issues,” it said without giving details.

France faces an early hot spell this week with temperatures set to rise about 8C above normal and was already experiencing drought conditions, forecasters said. 

Temperatures would soar to 30C in parts of southwest France on Wednesday, said Meteo France.

“Remarkable weather”
“After a slight drop on Thursday and Friday, they [temperatures] will rise again from the weekend. This heat episode, without being unprecedented, is remarkable so early in the year,” it added.

“A dome of warm, stable air is gradually spreading out from the Iberian peninsula to central Europe, passing through France.

“The weather is expected to be dry and warm under this ridge of high pressure, which is pushing the disturbed flow further north,” said Meteo.

France has 56 reactors with some using river water for cooling reactors.

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