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Systems Overview

ÈÕº«ÎÞÂë relies on purchased utilities from several municipal and public utility suppliers. These include electricity, natural gas, #2 fuel oil, propane and domestic water/sewerage.

ÈÕº«ÎÞÂë operates several discrete energy systems which provide the thermal energy (heating and cooling) for most of the buildings on campus.

The largest system is the Main Campus District Energy Plant (MCDEP) which is an integrated system of high-pressure steam and chilled water. These commodities are produced centrally at the Plant then distributed out to campus buildings for heating and cooling.

Other large systems for cooling equipment are installed in: Health Science Research, Votey, Kalkin, University Heights, Colchester Research Facility and Gutterson.

Other heating equipment (primarily used to supplement or provide emergency back-up for the Main Campus Plant) is also installed in: Given, Marsh Life Science, Christie Hall, Simpson Hall, Marsh Hall, and Gutterson.

Campus buildings which are not served by nor connected to the MCDEP are isolated systems. These locations rely on individualized or "stand-alone" equipment for their heating and cooling needs. Examples of isolated systems include:

• Small residential-scale boilers (Pomeroy Hall, Wadhams House and similar small buildings)
• ​Larger boilers (Waterman, Dewey Hall and others) 
• Electric chillers (Gutterson, University Heights and Colchester Research)
• Thermal (electric) heat pumps (Alumni House, Delehanty, Wright Hall, Cohen Hall)
• Air conditioning units (which are dispersed in many individual spaces)