FILE - A jogger passes power lines during a sunset run, Aug. 20, 2023, in San Antonio, as high temperatures continue to stress the power grid. On Thursday, Sept. 7, Texas' power grid manager again asked residents to cut back on electricity as a prolonged and punishing summer heat wave continued, a day after the system was pushed to brink of outages for the first time since a deadly winter blackout in 2021. (AP Photo/Eric Gay, File) FILE PHOTO

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