Can't we fill the Sahara with solar panels? If transmission lines are problematic hydrogen or methane could be used to transfer the energy to where it needs to be used.
This of course has a lot of political implications, but if we wanted to do it we could.
And quite avoidable, even on a 100% renewable grid.
I was responding to " So make the factory, AC, etc... vary the load! " that proposed blackouts as solution.
That post did not propose blackouts as a solution.