December 02, 2010

 Oyster Creek Generating Station Returned to Service  

 Workers replace two main power transformers, refuel the reactor and perform maintenance to advance equipment reliability 

 

Operators at Exelon Nuclear's Oyster Creek Generating Station safely returned the station to service December 1 at 7:18 p.m. ET after a safe and successful refueling and maintenance outage. During the 30-day outage, workers replaced both of the station's main power transformers, refueled the reactor and performed a number of maintenance tasks that can only be performed while the unit is offline.

Oyster Creek prepared for the replacement of the main transformers for more than a year, a $33 million project that will ensure future reliable operations. In addition, workers set the stage for completion of the underground piping project by year's end, a $13.3 million plan to move pipes containing tritium above ground or into monitored vaults. In all, Oyster Creek spent about $50 million on capital improvements during the outage.

"This refueling outage helps make sure we prepare the plant to ensure that the unit will run safely and reliably during its next operating cycle, especially in the summer months when the region needs the plant's electricity the most," said Mike Massaro, site vice president.

Oyster Creek is located approximately 60 miles east of Philadelphia. The plant produces 636 net megawatts of electricity per hour, enough carbon free energy for approximately 600,000 homes, the equivalent of all of the homes in Mercer, Burlington and Ocean counties.

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About Exelon

Exelon Corporation is one of the nation’s largest electric utilities with more than $17 billion in annual revenues. The company has one of the industry’s largest portfolios of electricity generation capacity, with a nationwide reach and strong positions in the Midwest and Mid-Atlantic. Exelon distributes electricity to approximately 5.4 million customers in northern Illinois and southeastern Pennsylvania and natural gas to approximately 486,000 customers in the Philadelphia area. Exelon is headquartered in Chicago and trades on the NYSE under the ticker EXC.

Contacts

Suzanne D'Ambrosio Exelon Nuclear Communications
609.971.2185
609.290.3650 Cell
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