the worst location in the continental U.S. is only a factor of two worse than the best solar location.
Solar is dead. Most of the US doesn't get enough sun to make solar feasible.
This article has a good solar efficiency study for the entire US. In summary, there's not a lot of difference in the contiguous US - about the only place where solar is significantly worse off is Alaska.
Machines have less problems. I'd like to be a machine. -- Andy Warhol