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Managers with the state's power grid said there was a miscommunication with the Northern California Power Agency, which led to some unplanned outages for thousands during Tuesday's record-breaking heat.
Rotating outages across California are almost certain, according to the state's grid operator.
Operators of California’s electricity grid say a miscommunication led to a small number of power shutoffs as the power system was under great strain.
Californians are being asked to conserve power for the eighth day in a row as the state's grid operator expects another day of strain on the energy grid on Wednesday.
Rotating power outages are a possibility Monday and Tuesday in California as temperatures continue to break records for heat.