If Europe was as willing to drill for gas as the US is, they'd probably be able to run more ACs and save thousands of lives every year.
They'd also be accelerating the collapse of AMOC... after which they won't need ACs anymore.
So I guess, yeah, this solves the problem of too much heat, in a fashion!
We must stop using fossil fuels as fast as possible, globally.
There are also a lot of smaller nuclear power plants planned: https://en.wikipedia.org/wiki/Nuclear_power_in_Poland