Margaret Chase Smith Federal Building

Federal building has relied on CHP system for power and heat since 2013.

LEED Platinum Federal Building

Built in 1967, the 188,000 square-foot facility underwent an extensive five-year renovation of all its energy systems and components resulting in a modernized, sustainable building. New high performance green building features include a geothermal HVAC system, photovoltaic system, microturbine, rain water harvesting system, low-energy lighting, high-efficiency windows and water-conserving plumbing fixtures.

  • Client:
  • US Federal Government
  • Industry:
  • Office
  • Location:
  • Bangor, Maine
  • System Size:
  • C65 (65kW)
  • Operating Mode:
  • Grid Connect
  • Controls:
  • BAS
  • Commissioning Date:
  • 2012


65 kW

Moving Parts


Yearly Output

500+ MWh

Energy Savings

$30,000 per year

Hot Water

430,000 BTU/hr