California has too much solar power. That might be good for ratepayers

California set two renewable energy records last week: the most solar power ever flowing on the state’s main electric grid, and the most solar power ever taken offline because it wasn’t needed.

There’s no contradiction: As California utilities buy more and more solar power as part of the state’s quest to confront climate change, supply and demand are increasingly out of sync. The state’s fleet of solar farms and rooftop panels frequently generate more electricity than Californians use during the middle of the day — a phenomenon that has sent lawmakers and some climate advocates scrambling to find ways to save the extra sunlight rather than let it go to waste.

But for ratepayers, an oversupply of solar power might actually be a good thing.


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