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U.S. Nuclear Reactors

Palo Verde Unit 1

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


Pressurized Water Reactor


Licensed to operate from 06/01/85-06/01/45


Arizona Public Service Company

Safety Issues:

Near Misses, Year Plus Outages

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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

09/18/2006   UCS documented the factors leading to the year-plus reactor outage that began in March 1989 in this case study for our Walking a Nuclear Tightrope report.  See details | Download the pdf (1.5 kb)