[TheLoafOfBread]

They are by building power plants without cooling towers. Problem is not enough water, but because water discharged back to river is too hot.

[hef19898]

I always liked simple answers to comokex questions like, e.g, nuclear power plant cooling. Especially when they come with pre defined scape goats.

[Manuel_D]

It's not a complex question, and river temperature is not a scapegoat. It's the the explicit reason why the plants aren't operating at full capacity: https://www.powermag.com/nuclear-power-production-curtailed-....