Mastodawn

California now handles a large part of evening peak electricity demand by drawing on batteries charged using wind and solar during the day.

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They’re delivering solar power after dark in California and helping to stabilize grids in other states. And the technology is expanding rapidly.

The New York Times

Wind, look at that wind, pale grey in the graph, but it is steady ready and constant. Triple wind, right now, double the reasult.

Build it all. More batteries coming, old EV batteries are a
already being installed as big grid support.

Battery costs fall 90% in 30 years, solar power falls 98 pervent since the nineties- and still falling at the same rate.