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Exelon adds three nuclear power plants to largest fleet

Nuclear power plant

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Three nuclear energy plants owned by Constellation Energy Nuclear Group LLC have officially joined Exelon Generation's fleet of nuclear plants, expanding what was already the U.S.'s largest commercial nuclear operation.

The three CENG plants include five reactors capable of generating more than 4,200 megawatts at full power. They include:

  • R.E. Ginna Nuclear Power Plant in Ontario, N.Y., a single 583-megawatt pressurized water reactor.
  • Nine Mile Point Nuclear Station in Scriba, N.Y., two boiling water reactors totaling 1,937 megawatts.
  • Calvert Cliffs Nuclear Power Plant in Lusby, Md., two pressurized water reactors totaling 1,768 megawatts.

The NRC approved license transfers for the three plants on Tuesday, March 25.   

The consolidation, which followed the March 2012 merger between Exelon and Constellation Energy Group Inc., expands the fleet of reactors Exelon operates to 23 nuclear generating units at 14 locations in Illinois, Pennsylvania, Nebraska, New York, New Jersey, and Maryland. The 23 units have the capability to generate more than 22,000 megawatts.

Michael J. Pacilio, Exelon Nuclear's president and chief nuclear officer, will lead the newly expanded fleet, which will operate under Exelon Nuclear's management model, a driver of success and consistent operations at all stations. Maria G. Korsnick will remain chief nuclear officer of CENG.

The consolidation is an organizational and operational re-alignment, not a purchase or transfer of assets. Electricite de France (EDF) and Exelon remain co-owners of CENG, with Exelon owning 50.01 percent of CENG and EDF 49.99 percent. CENG remains governed by a board of directors comprising five representatives from EDF and five from Exelon. Exelon Senior Executive Vice President and Chief Strategy Officer, William A. Von Hoene, Jr., also becomes chairman and CEO, CENG.

Exelon Corp. and Constellation Energy completed their merger on March 12, 2012. Through that union, Exelon became EDF's joint venture partner in CENG and also the leading U.S. competitive energy provider, with one of the cleanest and lowest-cost power generation fleets and largest retail customer bases in the nation.

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