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Nuclear update: Total output drops below 85% as several units shut for planned work

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Nuclear update: Total output drops below 85% as several units shut for planned work

TotalU.S. nuclear plant availability dropped to 84.94% early April 11, down from87.24% on April 8 but holding above the 83.89% level recorded on the same day ayear ago.

Workingto tug total availability lower was the loss of several units over the past weekendfor scheduled seasonal work. The reactors that shut were: 's Farley 2 in Alabama;Dominion ResourcesInc.'s Millstone 3 in Connecticut; Exelon Corp.'s Nine Mile Point 2 in New York, andPinnacle West CapitalCorp.'s Palo Verde 1 in Arizona.

Also,Exelon's Quad Cities 1 in Illinois was cut to 87% as of early April 11, downfrom 100% power previously.

Onthe flip side, a handful of reactors returned output to the grid over theweekend, including Exelon's Quad Cities 2 in Illinois, which  increased power to 98% early April 11, upfrom 18% on April 8. The unit was shut March 21 for a refueling outage.Also, production at NextEraEnergy Inc.'s Point Beach 1 in Wisconsin reached 100% early April11, up from 74% on April 8, and output at Entergy Corp.'s Grand Gulf 1 in Mississippi recovered to98% as of early April 11, up from a reduced level of 74% on April 8.

's Susquehanna2 in Pennsylvania, which had been cut to 77% as of April 8, returned to 100% asof early April 11. Additionally, Entergy's River Bend 1 in Louisiana, which wastrimmed to 65% as of April 8, resumed full power as of early April 11.

Dominion'sNorth Anna 2 in Virginia was restarted and ramped to 48% as of early April 11. Thereactor had been idle since early March for a planned refueling outage.

Power production levels andimpending outage dates are current at the time of publication and are subjectto change. For details of U.S. nuclear power plant operations, visit our NuclearStatus and Outage Report.