Operators of California's electricity grid say a miscommunication led to a small number of power outages as the system was under great strain.
California's independent system operator is urging residents to conserve energy to prevent power outages.Miscommunication led utilities to mistakenly cut power to customers in several California cities during unprecedented demand on energy supplies, operators of the state's electricity grid acknowledged Wednesday while warning the continuing extreme heat could prompt much larger rolling outages.
As residents and businesses cranked air-conditioning to escape withering heat across the West and solar power supplies began to wane, Cal-ISO issued a stage 3 energy emergency alert to prepare utilities to initiate outages if demand didn't decrease. The state's legal marijuana regulatory agency also urged businesses to turn off lights and reduce power or use backup generators.
With the state on the brink of outages, Gov. Gavin Newsom for the first time triggered a wireless emergency alert system at 5:45 p.m. that sent messages to 27 million cellphones urging them to turn off or reduce non-essential power. With residents and businesses under the eighth consecutive day of a "flex alert" requesting power conservation between 4 p.m. and 9 p.m., a similar response was needed Wednesday.
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