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Nuclear update: Another 4 units shut as outage season ramps

Datafrom the U.S. Nuclear Regulatory Commission shows another four reactors havebeen taken offline since Oct. 7.

Asexpected, Pinnacle West CapitalCorp.'s Palo Verde 3 in Arizona and the South Texas Project unit 2 reactorin Texas were idled for regularly scheduled refueling and maintenance. PaloVerde 3 was at 95% power ahead of the weekend, while South Texas 2, which isjointly owned by NRG EnergyInc., CPSEnergy and AustinEnergy, was at 94% on Oct. 7.

Inaddition, two units were shut unexpectedly, both from full power, includingDuke Energy Corp.'sH.B. Robinson 2 in South Carolina and Dominion Resources Inc.'s Surry 2 in Virginia.

Productionalso dropped at Duke's Brunswick plant in North Carolina, where unit 1 was cutto 53% power, down from full power on Oct. 7, while unit 2 was reduced to 85%,down from 99% on Oct. 7.

Inthe Midwest, Xcel EnergyInc.'s Monticello plant in Minnesota and 's Byron plant and QuadCities plant in Illinois were curtailed. Monticello was at 58% early Oct. 10,down from full power on Oct. 7. The Byron plant saw output at both reactorsdrop to 71%, down from 86% at unit 1 and down from 92% at Unit 2. Quad Cities 1was at 86% power early Oct. 10, down from full capacity on Oct. 10.

Helpingto partially offset the drop in U.S. production were 's Susquehanna 2 inPennsylvania, which was returned to full power, and Duke's Catawba 2 in SouthCarolina, which was restarted and brought to 50% by early Oct. 10.

Fordetails of U.S. nuclear power plant operations, visit our Nuclear Status and Output Page.