On-Site Cogeneration

Cogeneration and trigeneration tap the full potential of on-site power generation to manage overall energy consumption for commercial buildings, manufacturers, hospitals, college campuses, military bases and other government and industrial enterprises. By capturing the heat that is normally lost during power generation, a cogeneration facility can supply hot water or heat as well as reliable, off-grid power. A trigeneration facility can supply cooling in addition to heat and off-grid power.

Major utility companies have used cogeneration to monetize the process of energy production for decades by selling steam and hot water to nearby customers. At the government or enterprise level, cogeneration offers a way to reduce energy costs on multiple fronts. Ameresco’s comprehensive energy services specialists can analyze electrical, heating and cooling needs, then develop energy conversion systems from 1 to 50 megawatts, or higher, that improve overall energy efficiency, provide secure and reliable power for mission-critical systems and pay for themselves in annual utility bill savings.

Cogeneration: Power, Heat and Revenue
Industrial and government facilities in need of on-site power generation that looks beyond immediate energy concerns can find multipurpose solutions and a stream of revenue through on-site cogeneration.

In many cases, a larger power generation system will add little development cost and pay for itself with excess electricity that is sold back into the power grid. Excess power can be used to further lower utility costs or as a reliable stream of revenue when sold through a power purchase agreement.

Ameresco is a recognized leader in adapting renewable energy sources for cogeneration. These off-grid solutions meet on-site power needs with clean, energy-efficient plants that can be built or upgraded to become independent power generation facilities with revenue potential for their owners.


Biomass facility on the Savannah River site

FEATURED CASE STUDY:
SAVANNAH RIVER SITE

“This project is one of the largest biomass facilities in the country…leading to cleaner air for this community.”
–Department of Energy Secretary Steven Chu

Ameresco and the United States Department of Energy have embarked on the largest energy efficiency project in the federal government’s history. The Savannah River Site in Aiken, South Carolina, will soon be home to the U.S government’s largest biomass-fueled cogeneration facility, with wood biomass replacing the aging coal boilers currently in use. Ameresco will design, construct, operate, maintain and fuel the new plant, with no up-front cost to the Department of Energy.

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