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April 14, 2025
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Report Details CAISO Response to Partial Solar Eclipse
Graph shows CAISO solar production on the eclipse day of Oct. 14, 2023.
Graph shows CAISO solar production on the eclipse day of Oct. 14, 2023. | CAISO
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The partial solar eclipse of Oct. 14, 2023, knocked 4,500 MW of solar generation off the CAISO grid — about 1,000 MW more than the reduction seen during the August 2017 total eclipse.

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CAISO/WEIMRooftop/distributed SolarUtility-scale Solar