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U.S. Nuclear Reactors

Palo Verde Unit 3

Wintersburg, Arizona
Local population: 12,101 (10-mile radius)


Pressurized Water Reactor


Licensed to operate from 11/25/87-11/25/47


Arizona Public Service Company

Safety Issues:

Groundwater Leaks Reported, Near Misses

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Related Links & Documents

01/11/2008   UCS questioned the NRC on how the Insititute for Nuclear Power Operations (INPO) missed warning signs of declining performance at Palo Verde.  Download the pdf

11/22/2006   UCS commended NRC Region IV on its identification of and response to safety problems. 
Download the pdf

11/22/2006   UCS explained how a growing list of safety short-falls led to NRC identifying Palo Verde as one of the worst performing nuclear plants in the United States.  See details | Download the pdf

11/15/1991   Fission Stories #46 describes a series of related events including a gust of wind that blew the boom of a mobile crane into an overhead power line, leading to the automatic shut down of the reactor.

03/03/1989   Fission Stories #49 describes poor maintenance and testing practices for emergency lighting that literally left workers in the dark as they responded to a plant problem.