About Us

Ameresco, Inc. is a leading independent provider of comprehensive energy efficiency and renewable energy solutions for facilities throughout North America and the United Kingdom, delivering long-term value through innovative systems, strategies and technologies. Ameresco's solutions range from upgrades to facility's energy infrastructure to the development, construction and operation of renewable energy plants combined with tailored financial solutions. We work with customers on both sides of the meter to reduce operating expenses, upgrade and maintain facilities, stabilize energy costs, improve occupancy comfort levels, increase energy reliability and enhance the environment.

The Company was founded in 2000 by George Sakellaris, a pioneer in the energy service business. To best serve its wide-ranging clientele, Ameresco has regional offices located throughout North America. With dedicated energy and business professionals with years of experience and strong commitment to customer satisfaction and service, Ameresco offers you the resources needed to successfully plan, execute and even finance the energy program that will create real, sustained economic and operating benefits to fulfill your unique requirements.


Green Champion Award 2015, The Energy Live Consultancy Awards (TELCA)

Best Energy Efficiency Solutions 2015, The New Economy (TNE) Clean Tech Awards

Boston Globe 2015 Game Changers

2015 New Mexico Association of Energy Engineers (NMAEE) Energy Project of the Year

Finance Monthly CEO Awards 2015, George P. Sakellaris

2013 Globe 100 List of Top-Performing Public Companies

2012 Renewable Energy World Excellence in Renewable Energy Award, Biomass Project of the Year: DOE Savannah River Site

Learn more about our Partnerships and Awards.