Calvert Cliffs 2 goes offline

Exelon (NYSE:EXC) said Dec. 1 that operators at Calvert Cliffs Nuclear Power Plant in Maryland shut down Unit 2 at 6:20 p.m., after identifying a fault in the steam generator feed pump, part of the system which helps create steam that turns the turbine.

With the pump unavailable, Operators took actions per procedure to safely shut down the unit.

Technicians will repair the pump and perform comprehensive tests before returning Unit 2 to service. Calvert Cliffs Unit 1 continues to operate at full power.

Calvert Cliffs is located on the western shore of the Chesapeake Bay in Calvert County and is Maryland’s only nuclear energy facility. The station is home to two pressurized water reactors (PWRs) capable of generating 1,768 MW combined. Units 1 and 2 began commercial operation in 1975 and 1977, respectively.

About Wayne Barber 4201 Articles
Wayne Barber, Chief Analyst for the GenerationHub, has been covering power generation, energy and natural resources issues at national publications for more than 20 years. Prior to joining PennWell he was editor of Generation Markets Week at SNL Financial for nine years. He has also worked as a business journalist at both McGraw-Hill and Financial Times Energy. Wayne also worked as a newspaper reporter for several years. During his career has visited nuclear reactors and coal mines as well as coal and natural gas power plants. Wayne can be reached at