April 19, 2012

 Operators Remove Limerick Unit 1 From Service 

 Operators at Limerick Generating Station removed Unit 1 from service at approximately 8 a.m. this morning following an electrical malfunction on the non-nuclear side of the plant.  

 POTTSTOWN, Pa. Operators at Limerick Generating Station removed Unit 1 from service at approximately 8 a.m. this morning following an electrical malfunction on the non-nuclear side of the plant.

The malfunction caused a temporary loss of power to the plant’s main generator cooling pumps, which are not part of the reactor system. Station operators responded according to procedures and safely removed the reactor from service so the electrical issue could be corrected. Operators are working to determine the cause of the malfunction and will restore the unit to service only after the cause is understood, repairs are performed and the system is fully tested.

There was no risk to the public or injuries associated with the shutdown.

Limerick Unit 2 continues to operate at full power. Limerick Generating Station is 21 miles northwest of Philadelphia. With both units at full power, the site can produce enough carbon-free electricity for approximately 2 million homes.

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About Exelon

Exelon Corporation (NYSE:EXC) is the nation’s leading competitive energy provider, with approximately $33 billion in annual revenues. Headquartered in Chicago, Exelon has operations and business activities in 47 states, the District of Columbia and Canada. Exelon is the largest competitive U.S. power generator, with approximately 35,000 megawatts of owned capacity comprising one of the nation’s cleanest and lowest-cost power generation fleets. The company’s Constellation business unit provides energy products and services to approximately 100,000 business and public sector customers and approximately 1 million residential customers. Exelon’s utilities deliver electricity and natural gas to approximately 6.6 million customers in central Maryland (BGE), northern Illinois (ComEd) and southeastern Pennsylvania (PECO).

Contacts

Dana Melia Exelon Nuclear Communications
610.718.3025
484.680.3990 (Cell)
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