NRC senior resident inspector monitoring offsite power outageat SC Catawba nuclear plant

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The Catawba nuclear power plant near York, S.C., is being monitored closely by the U.S. Nuclear Regulatory Commission after it lost offsite power Wednesday evening, the agency said in a news release.

Duke declared an “unusual event,” just after 8 p.m.  Plant operators and other plant staff were monitoring the situation Wednesday night and officials say crews are attempting to restore the power.

Duke notified the NRC about the outage and the agency’s senior resident inspector was sent to the plant. The inspector is monitoring all activities and providing status updates to the NRC in Atlanta.

One of the two units at the plant was already shut down for an outage, and the other unit automatically shut down after losing offsite power, the release said. The plant’s diesel generators started to power the units’ emergency loads.

Duke declared an unusual event, the lowest of four emergency classification levels, just after 8 p.m. STAFF

According to the press statement, there was no radiation released or impact to plant workers or the public.

On Monday morning a fire in the vital battery room area on Unit 2 was discovered and extinguished.  An electrical fire that affects Control and Instrument Power to many plant systems is not trivial.   More details on the fire can be read here.

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