California kept the lights on during extreme heat, as operators of the state’s electricity grid continued to warn that unprecedented demand on energy supplies could force them to periodically cut power to some customers
Power transmission towers line a street in Redondo Beach, Calif., Wednesday, Sept. 7, 2022. With record demand on power supplies across the West, California snapped its record energy use around 5 p.m. with 52,061 megawatts, far above the previous high of 50,270 megawatts set July 24, 2006.
The confusion occurred Tuesday afternoon between a dispatcher at the Northern California Power Agency, which owns and operates power generating facilities for 16 members including a dozen cities, and the California Independent System Operator as the grid it manages was perilously close to running out of energy amid record-breaking temperatures.
The Northern California Power Agency said its dispatcher misinterpreted Cal-ISO’s order to prepare to cut power and immediately undertook the process to cut 46 megawatts — enough to serve about 35,000 customers — in the cities of Alameda, Lodi, Santa Clara, Palo Alto, Healdsburg, and Ukiah. Within moments, there was a reduction of more than 2,000 megawatts, bringing the state “back from the edge,” Mainzer said.
Nearly 54 million people were under heat warnings and advisories across the West as temperature records were shattered in many areas.
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