Interior view of a central plant with several generators lined up

Solutions > Energy Efficiency > Central Plant Upgrades

Central Plant Upgrades

Central plants typically utilize four major components including: energy sources; systems to convert the energy sources to thermal energy, (chilled and hot water); transmission and distribution systems; and an end-use component such as individual buildings redistributing heating/cooling agents within the building to provide thermal comfort and ventilation.

Central plant systems are often used in campus environments to serve multiple buildings with heating and/or cooling agents from a central plant source. Ameresco has the capability to design and construct a central plant or cogeneration system providing power, heat and/or cooling to a building, or a small-scale plant that produces electricity, gas, heat or cooling from renewable sources of energy.

Case Studies

Interior view of VISN-6 central plant showing piping and valves


Upgrades to boilers, chillers and steam traps helped contribute to annual energy savings of more than $1,500,000.

Aerial view shows solar panels on the roof of Sun Devils Stadium at Arizona State University

Arizona State University

Ameresco designed and built an 8 MW combined heat and power facility as part of central plant upgrades engineered to support future campus expansion.

Daytime view of the welcome sign outside Elmendorf Air Force Base

Elmendorf Air Force Base

Connecting a local supply of natural gas to a new central plant saved more than 1 million MMBtu annually.

Additional Media

Building a Renewable Airport

View of solar panels on top of Minneapolis-St. Pauil International Airport with superimposed video play button

CNN looks at the technology behind the solar installation at Minneapolis-St. Paul International Airport. (Video opens in new window.)

Solar Panels + LED Lighting = Near-Zero Energy Consumption

Airport Improvement magazine looks at how solar panels and LED lighting combine to provide near-zero energy consumption at Minneapolis-St. Paul International Airport’s parking facilities.