Power restored at Catawba nuclear power plant

Source: Duke Energy 

Power has been restored to Catawba nuclear station and the unusual event emergency classification terminated, following a loss of offsite power April 4. Power has been restored to Catawba nuclear power plant and the unusual event emergency classification terminated.

An unusual event was initially declared on April 4 at 8:12 p.m. when offsite power to the station was lost. 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. Appropriate federal, state and local officials were also notified.

Although power has been restored to the station, the units are not currently generating electricity. An investigation is being conducted regarding the cause.

Overnight, neighbors near the plant reported hearing loud noises. The sound was steam being released from the station as part of the shut down process.

Catawba nuclear power plant 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.

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