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Unusual Event Declared At Catawba Nuclear Station April 4, 2012, 11:10 p.m.

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YORK, S.C. -

Officials at Catawba Nuclear Station declared an unusual event this evening at 8:12 p.m. when the station lost offsite power. 

An unusual event is the lowest of four emergency classifications used at commercial nuclear power stations. This condition poses no threat to public safety, but requires certain emergency response functions to be in a heightened state of readiness. 

Both units at the station are shut down and are at 0 percent power. Unit 2 was already shutdown due to a scheduled refueling outage.

The station's diesel generators are operating as designed to provide power to essential plant equipment. Plant operators are working through their procedures to restore offsite power to the station.

Duke Energy's emergency operations facilities have been activated and station employees are responding to the situation. Appropriate federal, state and local officials have been notified. 

No radioactive materials are being released as a result of this event.

Catawba Nuclear Station is a two-unit power station located on Lake Wylie, near York, S.C. Each of its units has a rated capacity of 1,129 megawatts. Catawba unit 1 began commercial operation in l985; unit 2 in l986. Catawba Nuclear Station is jointly owned by North Carolina Municipal Power Agency No. 1, North Carolina Electric Membership Corporation, Piedmont Municipal Power Agency and Duke Energy.

Duke Energy Carolinas owns nuclear, coal-fired, natural gas and hydroelectric generation. That diverse fuel mix provides approximately 19,500 megawatts of owned electric capacity to approximately 2.4 million customers in a 24,000-square-mile service area of North Carolina and South Carolina.

Duke Energy is one of the largest electric power holding companies in the United States. Headquartered in Charlotte, N.C., its regulated utility operations serve 4 million electric customers in the Carolinas, Indiana, Ohio and Kentucky, and a half-million natural gas customers in Ohio and Kentucky. Its Commercial Power and International Energy business segments own and operate diverse power generation assets in North America and Latin America, including a growing portfolio of renewable energy assets in the United States. A Fortune 500 company, Duke Energy is listed on the New York Stock Exchange under the symbol DUK. More information is available at: www.duke-energy.com.


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