Power restored to nuclear power plant

Duke Energy (NYSE: DUK) on April 5 said power has been restored to the two-unit, 2,258 MW Catawba Nuclear Station and the unusual event emergency classification has been terminated.

An unusual event was initially declared on April 4 at 8:12 p.m. when offsite power to the station was lost. Duke said the station’s diesel generators operated as designed to provide power to essential plant equipment. An unusual event is the lowest of four emergency classifications. This condition posed no threat to public safety, but required certain emergency response functions to be in a heightened state of readiness.

Duke Energy’s emergency operations facilities were activated and station employees responded to the situation.

Although power has been restored to the station, Duke said the units are not currently generating electricity. Unit 2 was already shutdown due to a scheduled refueling outage.

The Nuclear Regulatory Commission (NRC) is monitoring the event through the NRC resident inspectors at the site and in the Atlanta regional office. Once the event is over, the NRC said it will review the cause of the incident and determine if additional inspections or follow-up are needed.

Catawba Nuclear Station, near York, S.C., is jointly owned by North Carolina Municipal Power Agency No. 1, North Carolina Electric Membership Corp., Piedmont Municipal Power Agency and Duke Energy.

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