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Pepco Energy Services to build, operate CHP plant at Blue Plains facility

March 06, 2012
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WASHINGTON — Pepco Energy Services, Inc., a subsidiary of Pepco Holdings, Inc., has signed an agreement with DC Water to design, build and operate a Combined Heat and Power (CHP) plant at DC Water’s Blue Plains Advanced Wastewater Treatment Plant (AWTP), according to a press release.

The Blue Plains AWTP serves approximately 725 square miles of Washington, D.C., Maryland and Virginia and has a capacity of 370 million gallons per day.

The new CHP plant will be an integral part of DC Water’s new thermal hydrolysis and anaerobic digestion project, which will be the largest in the world. The thermal hydrolysis process uses high-pressure steam from the CHP plant to increase the rate of biogas production and neutralize contaminants in waste streams.

"This is the next step in closing our ecological loop," said DC Water Board Chairman William M. Walker. "Blue Plains takes water from the region, cleanses it and puts it back in better condition than the waterway it came from. The investment in the digester takes the waste from that cleansing process and turns it into energy. We are already issuing billions of dollars in bonds to pay for federally-mandated environmental projects, so the Board did not take the decision lightly. But we voted unanimously to raise additional capital for the digester because it’s good for the environment, our business and our ratepayers."

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