Heat pumps are becoming widespread in Scandinavia, especially Norway — even though Norway is rich in fossil fuels.

Alaska is colder, but: https://www.wired.co.uk/article/heat-pumps-alaska-oil-energy...

I think that’s only because it’s more expensive. Whether you heat with electricity or with gas/petrol you still need the same amount of energy.

In time places like Alaska may well depopulate.