Some countries don't get much sunshine though, e.g. the UK only gets sun around 30% of the daytime according to https://en.wikipedia.org/wiki/Climate_of_the_United_Kingdom .
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It also doesn't need much air conditioning. And when it does, it's because the sun is out.
Spain isn't that much farther away than outer space.
We can't beam energy from Spain to elsewhere via microwaves, though. And it still gets dark at night in Spain.
It gets dark in the stratosphere too, and the UK already has a power grid connecting it with the Spanish power grid which doesn't rely on 20km cables into the sky...
The parent post was about outer space, not the stratosphere. And that method uses microwave transmission, not cables.
Outer space gets dark too you not sure which orbit will get you 100 sun time solar synced orbits still get 50% night time. Maybe some geosync high polar orbit but then you have issues with transmition.
Space solar makes very little sense you only get twice the solar power at 50% efficiency rate at best.