SageBrush
REJECT Fascism
Yep!
My envelope arithmetic says 6.3 cents a kWh overall for the 4 hour system, presuming 3 cents a kWh for the PV and 10 years of initial battery capacity as an integrated average. That is a *very* enticing price for utilities if it lets them avoid demand charges from their wholesalers. It also sort of explains how Tesla is planning to give such a marvelous energy cost to the Semi industry.