In cold climates people have increasingly well insulated houses that are relatively affordable to heat, and mostly use non grid electric heating. And can also shift power usage around the day because it takes a day or so for the house to cool uncomfortably.
Which energy sources that emit less co2/kWh than nuclear power should be used to heat houses in that case?
> (In cold climates people have well insulated houses that are relatively affordable to heat, and mostly use non electricity heating, like thus far)
What are talking about? What kind of non-electricity heating? Let's burn some coal or what?
I'm in Sweden. It gets cold. Houses are well insulated and typically heated via quite efficient electric air-to-air or air-to-water heat pumps. Our electricity has been like 98% co2 neutral since the 70s because of a 50/50 mix of hydro and nuclear as a base load.
Now, ironically, the leftist politicians (including the green party) here are dismantling all of this because they and the journalists don't understand the concept of base power, because they don't understand the difference between power and energy. Their solution is to build lots and lots of wind power plants.