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Nuclear update: Total U.S. output rises as DC Cook 2 returns

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Essential Energy Insights - November 2021


Nuclear update: Total U.S. output rises as DC Cook 2 returns

Total U.S. nuclear plant availability ticked higherearly July 13 to 94.71%, up from 94.11% on July 12 but still below the 97.30%level noted on the same day in 2015.

Supporting total production was the return ofAmerican Electric Power Co. Inc.'sDonald C. Cook 2 plant in Michigan which was operating at 47% early July 13after being taken offlineon July 6 due to steam leak and associated damage to the turbine building.

In addition, ExelonCorp.'s Three Mile Island 1 in Pennsylvania returned to 100%power early July 13 after being curtailed to 85% the day prior. Exelon'sBraidwood 1 in Illinois also bounced back to full power early July 13 afterdropping to 73% on July 12.

Working to offset the restart and production increaseselsewhere was a cutback in output at DukeEnergy Corp.'s Brunswick 2 in North Carolina. An alert was declaredfollowing a fire in the service water building late July 12, which caused unit2 to drop from 100% to 70% power, according to a filing with the U.S. NuclearRegulatory Commission. The reactor was operating at 76% early July 13.

Power production levels and impending outage dates arecurrent at the time of publication and are subject to change. For details ofU.S. nuclear power plant operations, visit our NuclearStatus and Outage Report.