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Nuclear update: Total output slips as St. Lucie 1 shut for repairs

Total U.S. nuclear plant availability slipped early Feb. 1 to 95.32%, down from 95.45% on Jan. 31, but remains above the 93.70% reported on the same day last year.

Pulling down U.S. output was the loss of NextEra Energy Inc.'s Saint Lucie 1 plant in Florida. According to a report filed with the U.S. Nuclear Regulatory Commission, the power plant was taken offline late Jan. 31 to initiate repairs owing to a reactor coolant pressure boundary piping defect.

Partially offsetting the Saint Lucie outage, the recently restarted Grand Gulf 1 in Mississippi, which is owned by Entergy Corp., saw output increase from 9% on Jan. 31 to 20% early Feb. 1.

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For details of U.S. nuclear power plant operations, visit our Nuclear Availability and Status and Outage Pages.