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California Residents Urged to Conserve Power in Heat Wave



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LOS ANGELES — California residents were asked to voluntarily conserve power again on Friday as the heat wave that is baking the U.S. West strained the state’s energy grid and raised the possibility of rotating outages.

As temperatures spiked on Thursday, Gov. Gavin Newsom signed an emergency proclamation that suspended certain permitting requirements — allowing power plants to ramp up operations if necessary to meet the demand for electricity. The proclamation cited the “extreme heat peril” facing the state this week.

The California Independent System Operator, which runs the state’s energy grid, issued a Flex Alert for 6 p.m. to 9 p.m. Friday.

During those hours, people were urged to set their thermostats to 78 degrees (25.5 degrees Celsius) or higher and to avoid using washers, dishwashers and other major appliances. An alert was also in place Thursday evening.

PG&E Says Power Supply Was Adequate and Avoided Outages

Pacific Gas & Electric said rotating power outages were possible for about 121,000 Northern California customers Thursday night but that step did not need to be taken because the power supply proved adequate.

During an intense Western heat wave last August, the state had two days of rotating outages that affected more than 200,000 people. They were the first such blackouts since 2001.

Power officials said the electrical grid has had upgrades in power storage and transmission since then, including adding about 3,500 megawatts of capacity — enough to power some 2.6 million homes. That includes 2,000 megawatts worth of battery storage that could be crucial when solar power generation tails off after dark.

Triple-Digit Temperatures Expected to Continue into Weekend

Interior areas of the state broiled Thursday. Triple-digit high temperatures were recorded in the Sacramento and San Joaquin valleys and the deserts. Death Valley reached 128 degrees (53.3 Celsius) and Palm Springs tied the all-time record of 123 degrees (50.5 Celsius).

The temperatures were much cooler in the state’s coastal areas.

The heat wave was expected to continue into the weekend, with worst of the torrid conditions affecting California’s interior regions.

The heat was blamed on a dome of high pressure that has covered the U.S. West.

The heat wave came amid a drought that has dried up vegetation and increased fire danger. There have been a number of small wildfires around California this week but the state has avoided the fierce gusts that drove last year’s devastating blazes.

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