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Nuclear update: Return of Three Mile Island 1 lifts US output

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Nuclear update: Return of Three Mile Island 1 lifts US output

Total U.S. nuclear plant availability swung higher early Oct. 12 to 88.85%, up from 88.12% on Oct. 11 and still much higher than the 80.24% reported on the same day a year ago.

Giving a boost to U.S. output was the return of Exelon Corp.'s Three Mile Island 1 in Pennsylvania, which was taken offline to repair control rod assembly motor. The unit was operating at 30% as of early Oct. 12.

In addition, two other units ramped output. Dominion Energy Inc.'s North Anna 2 plant in Virginia saw production rise from 48% on Oct. 11 to 75% early Oct. 12 while Entergy Corp.'s Grand Gulf 1 in Mississippi was pegged at 85% early Oct. 12, up from 66% on Oct. 11.

As of early Oct. 12, a total of nine nuclear power plants remain offline.

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