Solar panels doesn’t provide heat, it produces electricity. Also it is quite common on Finland to have solar panels + geothermal heating, because both of them pay for themself in 5-10 years. Unfortunately solar panels do not provide us enough electricity to be only source, not even with batteries.
He doesn’t mean geothermal in large scale but home level geothermal. It is actually very cheap and efficient technology.
Over half of the new houses in Finland are build with geothermal. It costs roughly 18 000€ to construct.
I understand, but it’s not cheap when compared to solar
Solar panels doesn’t provide heat, it produces electricity. Also it is quite common on Finland to have solar panels + geothermal heating, because both of them pay for themself in 5-10 years. Unfortunately solar panels do not provide us enough electricity to be only source, not even with batteries.