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EXPLAINER: Challenges from intense summer heat raise questions about Texas power grid's reliability
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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. - photo by AP Photo/Eric Gay, File
HOUSTON (AP) — Texas’ power grid has been under tremendous stress during this summer’s sweltering heat, with the state setting 10 new records for electricity demand. The grid's reliability has been questioned by residents and lawmakers since a deadly winter blackout in 2021 knocked out power to millions of customers for days and resulted in hundreds of deaths. Concerns were renewed this week after Texas’ power grid manager issued an emergency alert due to low reserves and high demand.