Wednesday, February 1, 2012

San Onofre Nuke Plant Shut Down Over Possible Leak

Radio station KFI Am 640 in Los Angeles is reporting that Southern California Edison has shut down reactor #3 due to sensors that may have discovered a leak.

See story or This At Common Dreams

Here is a press release from Southern California Edison:

San Onofre Nuclear Generating Station Operators Assessing Leak and Shutdown of Reactor Unit

ROSEMEAD, Calif., Feb. 1, 2012 – Southern California Edison (SCE), operator of the San Onofre Nuclear Generating Station, continues to plan for the repair of the steam generator tube leak in Unit 3 following a precautionary shutdown Tuesday. Sensitive monitoring instruments at Unit 3 continue to show no change in radiation levels that would be detectable off-site.

Operators responded quickly yesterday to indications of a steam generator tube leak based on readings from highly sensitive instruments designed to detect this condition, and in time to take action to prevent any potential change in detectable radiation exposure outside the plant boundary. Operators safely shut the plant down and isolated the component that contained the leaking tube within four hours of detecting the indications.

Currently, operators are cooling down Unit 3 and reducing pressure in the plant, which is the method to stop the tube from leaking. They are meticulously following prescribed procedures written specifically for addressing a tube leak condition.

"There was no threat then, nor is there now any danger to the public or to plant workers," said Pete Dietrich, senior vice president and Chief Nuclear Officer for Southern California Edison. “Our operators performed exactly as they are trained to perform and took prompt action to ensure we did not create a situation involving any challenge to the health and safety of the public,” Dietrich said.

Unit 2 is currently offline for a planned maintenance, refueling and technology upgrade outage. Service will not be affected; Southern California Edison has ample reserve power to meet customer needs.

About Southern California Edison

An Edison International (NYSE:EIX) company, Southern California Edison is one of the nation’s largest electric utilities, serving a population of nearly 14 million via 4.9 million customer accounts in a 50,000-square-mile service area within Central, Coastal and Southern California.


  1. I used to camp right next to this thing. It was a trade off. You could camp on the beach with a fire and there was usually an open camp site but you could smell the electricity cooking.

  2. Been there and done that too Tom.

    Years ago, when my kids were little, we camped there. We'd never been there before.For some reason it was dark when we arrived and we didn't see the nuke plant and set up camp. I remember there were train tracks nearby and a train roared past scaring us all from our slumbers!
    When I woke up the next morning I was horrified to see the plant nearby.


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