We will not settle Mars. That doesn’t even begin to make sense. There are places orders of magnitude more friendly to human settlement on Earth than on Mars and we don’t even settle those.
On Earth those windmill are much cheaper than nuclear power, even taking into account their capacity factor.
humanity however, needs to branch out, and quick. and windmills aren't going to help us make that jump to an interplanetary civilization.
Nuclear is cheap, very cheap. It was made expensive by political decisions, under the guise of proliferation suppression, but is actually a tool of economic suppression of potential challengers.
Germany, one of the most high-tech countries in the world, cannot make renewables work. Germany also has very electricity rates. France, on the other hand, builds nuclear, supplies Germany, and has MUCH lower electricity rates.
I guess no one told them nuclear is too expensive?
On Earth those windmill are much cheaper than nuclear power, even taking into account their capacity factor.