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October 2007

Exelon Generation buys solar energy from Epuron LLC

Exelon Generation Company, LLC, has signed a 20-year power purchase agreement with Epuron LLC for the energy produced at a Falls Township, Pennsylvania solar energy facility.

This power plant will be the nation’s fourth largest solar photovoltaic (PV) generation project, trailing only facilities in California and Arizona. It will feature more than 17,000 panels. The facility will be called the Exelon-Epuron Solar Energy Center, a SunTechnics Project.

The 3-megawatt (MW) project is situated on a 16.5-acre plot in Falls Township, adjacent to Waste Management’s G.R.O.W.S. Landfill. Estimated annual production is 3,700 MWh. The solar energy plant is scheduled to be operational in the second quarter of 2008.

Exelon Generation will sell the physical electricity produced by the solar energy project to PJM Interconnection. The solar renewable energy credits will be sold into the voluntary and compliance markets, primarily in Pennsylvania. The major driver for solar energy demand in Pennsylvania is the Alternative Energy Portfolio Standards law, which requires that load-serving entities procure an increasing percentage of solar energy.

Exelon Generation has a landfill generation project about six miles from the solar energy project site. A pipeline transports landfill methane from the Waste Management facility to a gas turbine owned by Exelon Generation that produces 30 MW. In addition to this new energy source, Exelon’s renewable energy supply portfolio includes 4 wind projects totaling 154 MW, and 2 large hydroelectric facilities totaling about 1,300 MW.