Happens regularly. Last year’s heatwave caused a bunch of reactor shutdown across Switzerland and France - https://www.euronews.com/2025/07/02/france-and-switzerland-s...

That said, cooling does have an effect on ecosystems. Not the worst energy plant impact on that regard, but still not like it's all environmental friendly.

And of course, there is the what to do with the waste dilemma. And at least with current French park, there is a dependence on the rarer kind of uranium.

No, I'm not - https://www.euronews.com/2025/07/02/france-and-switzerland-s...

A lot of NPPs in France are cooled with river water and they need to be kept at low output if the rivers are too warm.