Safety

Calvert Cliffs Shut Down Again

May
23

Unit 2, one of the 2 reactors at the Calvert Cliffs nuclear power plant in Southern Maryland, was unexpectedly shut down again on Tuesday May 21 around 5:30 am. Neil Sheehan, a spokesperson for the Nuclear Regulatory Commission (NRC), said that the reactor was manually taken off line because of high vibrations in the steam line. A failed coupling between the pump and the pump motor was the leading cause of these vibrations.

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Calvert Cliffs Reactor Shut Down Unexpectedly

May
14

Unit 2, one of the two nuclear reactors at the Calvert Cliffs nuclear power plant in Maryland, shut down unexpectedly on Wednesday May 8th. Spokesperson for Constellation Energy Nuclear Group, Kory Raftery, confirmed that at 9:47 pm, the reactor was automatically shut down due to a malfunction of the valves feeding steam to the turbine. The valves, when working properly, prevent steam pressure from building up in the cooling system.

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