record of 17.802 GW was reached at 12:37 pm PT April 11, surpassing the April 10 record by 3.7%, according to CAISO latest Key Statistics report released April 16

CAISO also set an instantaneous all-time maximum demand served by solar of 86.4% at 12:30 pm April 11, surpassing the record of 82.4% reached a day earlier. Before that the record was from April 2022.

CAISO peakload was 26.563 GW April 11 and has averaged 24.985 so far this month, 2.4% lower than a year ago.

CAISO solar penetration reached a year-to-date high of 26.03% on April 11

Solar penetration for the noon hour on April 11 was 40.45%, the highest level so far this year for that hour

SP15 on-peak day-ahead locational marginal price was $2.21/MWh April 10 and $8.79/MWh April 11

prices fell as low as minus $26.26/MWh for April 6 as the thermal market share sank to 14.2% of the daily total fuel mix, after averaging 33% of the mix in 2024 up until that date



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