US EPA recognition for combined heat and power plants

The US Environment Protection Agency (EPA) has recognized two institutions using combined heat and power plants on their premises.

The Energy Star CHP Awards honour companies and organizations utilizing CHP systems to reduce pollution, save money and help strengthen the nation’s electrical infrastructure.

The University of Maryland Upper Chesapeake Medical Center (UM UCMC) and University of Massachusetts Medical School (UMMS) use a Caterpillar G3516H natural gas generator set and a 7.5 MW natural gas-fired Solar Turbines combustion turbine generator, respectively, in their CHP systems to help provide reliable, low cost energy to the facility.

The CHP system at UM UCMC, when combined with the facility’s emergency backup diesel generator set, can power 65 per cent of the campus loads and 90 per cent of healthcare occupancy loads. In addition to power, the updated system uses waste heat to produce steam and create cool water for the air conditioning system.
University of Massachusetts Medical School
“One of the reasons we went with a CHP system is because we could have a high-efficiency generator set that would still meet emissions reduction levels,” said Don Allik, director of facilities at UM UCMC. “This award validates our decision and encourages us to continue working toward more sustainable power generation at the medical center.”

The Solar Turbines Taurus 70 based CHP system at UMMS has an impressive efficiency of 73 per cent, which requires approximately 20 per cent less fuel than conventional separate electricity and steam production. The reduced fuel use avoids emissions of more than 21,000 tons of carbon dioxide annually.

“As a medical center, energy efficiency and resiliency are essential to control the cost and reliability of health care. This expanded power plant reduces the facility’s cost of energy by approximately $3 million annually and we are pleased to see our customer receive this award and be recognized for their leadership in sustainable solutions for their community and the environment,” said Tiffany Yarling, Corporate Communications Manager at Solar Turbines Incorporated.

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