Unusual Event At Catawba Nuclear Station - Duke Energy

News Release
May 20, 2006

Unusual Event At Catawba Nuclear Station

9:10 p.m.

CHARLOTTE, N. C. – Officials at Catawba Nuclear Station declared an unusual event today at 2:14 p.m. due to a loss of electrical power from off-site sources. Off-site power was restored to the station at 8:42 p.m. and additional restorations are in progress. Both units responded as designed and remain safely shutdown. Plant personnel are investigating the cause of the incident.

An unusual event is the lowest of four emergency classifications used at commercial nuclear power plants. An unusual event classification is used for conditions that pose no threat to public safety, but require certain emergency response functions to be in a heightened state of readiness. 

Station employees have staffed emergency response facilities to assist in handling the situation. Appropriate federal, state and local officials have been notified. There were no injuries as a result of this incident.

Catawba Nuclear Station is a two-unit power plant 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 1985; 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, Saluda River Electric Cooperative Inc. and Duke Energy

Duke Energy is a diversified energy company with a portfolio of natural gas and electric businesses, both regulated and unregulated, and an affiliated real estate company. Duke Energy supplies, delivers and processes energy for customers in the Americas. Duke Energy’s Carolinas operations deliver electricity to more than 2.2 million electric customers in a 22,000 square mile service area of North Carolina and South Carolina. A diverse fuel mix of nuclear, coal-fired, hydroelectric and combustion-turbine generation provides approximately 28,000 megawatts of regulated generating capacity. Headquartered in Charlotte, N.C., Duke Energy is a Fortune 500 company traded on the New York Stock Exchange under the symbol DUK. More information about the company is available on the Internet at: http://www.duke-energy.com.

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