The Orange County Register – Diablo Canyon


Diablo Canyon nuclear plant cited for cooling system problem

This Monday Nov. 3, 2008, photo shows one of Pacific Gas and Electric’s Diablo Canyon Power Plant’s nuclear reactors in Avila Beach. The plant has received a citation after a problem with a cooling system created a “low-to-moderate” safety risk. (AP Photo/Michael A. Mariant, File),

SAN LUIS OBISPO – Federal regulators have cited the Diablo Canyon nuclear power plant for a problem that may have knocked out a reactor cooling system for a year-and-a-half.

The Tribune of San Luis Obispo says the Nuclear Regulatory Commission issued a “white finding” on Thursday. That color-coding means the problem created a low-to-moderate safety risk at the Central California plant.

During a test in May, workers found that an emergency cooling system for one of the two reactors wasn’t working – and may not have been operating since it was last checked in October 2014.

The problem was traced to an improperly installed switch.

A spokesman says the plant operator, Pacific Gas & Electric, has corrected the problem and it plans to appeal the NRC finding.

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