I think it's a bit late to emphasize this concern, when even North Korea has nukes.
I think it's a bit late to emphasize this concern, when even North Korea has nukes.
But in those cases yes - sunshine is not there for at least half the time and some areas have rather a lot of clouds.
Wind also some areas e.g. NW Europe have a lot but others don't.
That's assuming they act as a cartel. But if the US tried to do this, Russia would sell them the material just to stick it to the US, and vice versa.
Not only that, the top four countries for energy production representing more than half of global power generation are all nuclear nations. The countries in the top 10 without nuclear weapons are Japan, Brazil, Canada, South Korea and Germany, of which only Brazil would have any significant concern about being cut off by western nuclear powers. And Brazil is at an equatorial latitude that implies they would benefit from a higher proportion of solar regardless.