Ameresco

Company

Ameresco designs, builds, and operates energy efficiency and renewable energy projects for commercial and government customers.

Sector: microgrids
HQ: MA, US
Founded: 1991
Stories: 7 on MGRID.org

Vendor profile

What they do

Ameresco designs and builds energy efficiency and renewable energy projects, including a 50 MW/200 MWh Tesla Megapack installation at Nucor Steel.

Battery Energy Storage EPCSolar CanopiesEnergy Efficiency Projects

What they’re looking for

Government agencies, utilities, and C&I customers for energy efficiency and storage EPC contracts

What they buy

Battery cells, inverters, solar modules, controls, and construction subcontracting services

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Stories about Ameresco (7)

Nucor’s 50 MW Battery Array Shows Industrial Demand Charge

October 22, 2025 · Demand Charge Reduction

5 sources Verified Nucor's 50 MW/200 MWh Tesla Megapack array in Arizona targets electric arc furnace demand spikes as U.S. C&I storage hits 8 GWh.
Nucor Deploys 50MW Battery Arizona Steel Mill

October 21, 2025 · C&I Storage

6 sources Verified Ameresco completes 50 MW/200 MWh behind-the-meter BESS at Nucor Kingman bar mill, Arizona largest BTM project, with 25 MW solar to follow in 2026.
Kaiser Permanente Ontario Commissions Largest U.S. Hospital

August 5, 2025 · Healthcare Facilities

5 sources Browser Check Kaiser Permanente commissioned a 2 MW solar, 1 MW fuel cell, and 9 MWh zinc bromide battery microgrid at its Ontario Medical Center in California. California…
Kaiser Permanente Commissions 2 MW Microgrid in Ontario, CA

April 10, 2025 · Healthcare Facilities

4 sources California's largest hospital-based renewable microgrid combines 2 MW solar, 9 MWh flow battery storage, and a 1 MW fuel cell to deliver 10 hours of backup power without…
Fort Campbell Completes 12 MW Microgrid for 101st Airborne

January 1, 2025 · Microgrids

5 sources Review The Army finished a 12 MW natural gas microgrid at Fort Campbell that keeps the 101st Airborne Division operational for 14 days without the grid.
Army Launches 3 Pioneering Microgrids Toward 2035 All-Base Goal

January 1, 2025 · Microgrids

4 sources Verified The Army activated microgrids at Fort Hunter Liggett, Camp Arifjan, and reserve facilities, spending $21.8M on the first fully renewable DoD microgrid capable of 14-day islanded operation.
Army Builds First All-Renewable Microgrid at Fort Hunter Liggett

January 1, 2025 · Microgrids

5 sources Verified Fort Hunter Liggett's $21.8M microgrid runs entirely on solar and 5 MWh battery storage, sustaining operations for 14 days without diesel backup.

Stories about Ameresco (7)

Nucor’s 50 MW Battery Array Shows Industrial Demand Charge

Nucor Deploys 50MW Battery Arizona Steel Mill

Kaiser Permanente Ontario Commissions Largest U.S. Hospital

Kaiser Permanente Commissions 2 MW Microgrid in Ontario, CA

Fort Campbell Completes 12 MW Microgrid for 101st Airborne

Army Launches 3 Pioneering Microgrids Toward 2035 All-Base Goal

Army Builds First All-Renewable Microgrid at Fort Hunter Liggett