Palo Verde Nuclear Power Plant Shut Down
 

PHOENIX (AP) -- A problem with an emergency reactor core cooling system is responsible for shutting down the nation's largest nuclear power plant.  There's no immediate word when the Palo Verde Nuclear Generating Station may be back in operation.

The plant provides electricity for as many as four million customers in California, Arizona, Texas and New Mexico. It's served by seven utility companies.  The power is cheaper than many other sources, but several power companies say it's unclear if they'll need to raise rates to recoup their losses.

The cooling system problem reportedly went undetected since the plant began producing power in 1986. The issue was identified early last week when engineers at the plant did an analysis in response to questions from the Nuclear Regulatory Commission.

(Copyright 2005 by The Associated Press.  All Rights Reserved.)

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