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District Energy System

Benefits of District Energy System


  • Reduces upfront capital costs because the equipment necessary to tie into the DES system costs less than stand-alone systems
  • Lower overall building operating, maintenance, and labor costs
  • Passes along economies of scale when purchasing fuel


  • A central plant serving multiple customers is more efficient than individual small plants, thereby reducing overall energy consumption
  • Virtually 100% of the steam and chilled water energy delivered to the customer is available for use within his facility  whereas smaller in-building boilers and air-cooled chiller systems can require up to 50% more energy to deliver the same heating or cooling benefit
  • Central plants employ stringent emission controls - more so than individual buildings - providing air quality benefits
  • Chilled water services from a central plant reduces peak electric power demand for air conditioning


  • Removes combustion and refrigerant equipment from buildings, saving space in the buildings for other uses and removing a real source of possible indoor air quality contamination
  • Eliminates need for boilers and chillers resulting in less maintenance, monitoring and equipment permitting
  • Energy professionals at central plants operate around the clock and have backup systems available, with reliability rates near 99.9 percent
  • Building operators can manage and control their own indoor environments because district energy is available whenever heating or cooling is needed (i.e. - the air conditioning can be turned on for an unseasonably warm January day)