Yes, and it is done with resources in place, not in San Francisco. And, for resources in place, whether so impractical as lithium batteries, or as practical as

Yes, and it is done with resources in place, not in San Francisco. And, for resources in place, whether so impractical as lithium batteries, or as practical as pumped hydro, iron-air batteries, banked hydrogen, or transmission lines reaching operating generation elsewhere, the space required is in no way prohibitive. Which was the point.