I think both battery and solar tech has advanced to the point that solar plus batteries undercut a lot of grid supplied energy in costs. Or at least it would,

I think both battery and solar tech has advanced to the point that solar plus batteries undercut a lot of grid supplied energy in costs. Or at least it would, if the overhead for current solar installers wasn't so high. Retail prices for equipment are incredibly low, but the boom-and-bust cycle caused by uncertain regulatory terrain ends up requiring successful biz to have massive marketing costs, which results in really high prices overall.