Speaking as an electrical engineer with a grid tied PV system for many years, this claim is just bonkers. It's exactly this sort of magical thinking that we do

Speaking as an electrical engineer with a grid tied PV system for many years, this claim is just bonkers. It's exactly this sort of magical thinking that we don't need more of. Electric utility is a deadly serious business. The cost of getting a massive transition like this wrong is going to be measured not just economically, but in people's lives.