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Rooftop solar panels are flooding California’s grid. That’s a problem. As electricity prices go negative, the Golden State is struggling to offload a glut of solar power (wapo.st)

submitted 7 months ago* (last edited 7 months ago) by silence7 to c/energy

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I'll note that right now, this is a seasonal issue, associated with moderate springtime temperatures when there is a lot of sunshine available.

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[–] Dippy@beehaw.org 4 points 7 months ago (1 children)

That's what storage is about

[–] silence7 7 points 7 months ago* (last edited 7 months ago)

Yeah, California's utility-scale storage can only absorb 6GW for about four hours. Will probably be double that by end of year, but still needs a fair bit more to handle the full daily cycle. You can see what that looks like in practice on the CAISO web site showing how electricity was supplied on April 21, 2024