Ameresco to Announce 2010 Full Year and Fourth-Quarter Financial Results on February 17, 2011

FRAMINGHAM, Mass.--(BUSINESS WIRE)-- Ameresco, Inc. (NYSE:AMRC), a leading energy efficiency and renewable energy company, today announced the company will release its 2010 full year and fourth-quarter financial results before the market opens on Thursday, February 17, 2011. Once announced, the earnings press release will be available on the "Investor Relations" section of www.ameresco.com. The company will also host an earnings conference call at 10:30 am EST the same day.

On the call, President and Chief Executive Officer George Sakellaris and Vice President and Chief Financial Officer Andrew Spence will discuss Ameresco's financial results as well as provide guidance for fiscal year 2011.

Participants may access by dialing domestically 888.713.4217 or internationally 617.213.4869. The passcode is 69406927. Those who wish to listen only to the conference call webcast may visit the "Investor Relations" section of the company's website. Participants are advised to dial into the call at least ten minutes prior to the call to register.

Pre-Registration for the call is also available at: https://www.theconferencingservice.com/prereg/key.process?key=PXHLF7UUW. Pre-registrants will be issued a pin number to use when dialing into the live call which will provide quick access to the conference by bypassing the operator upon connection.

If you are unable to listen to the live call, the webcast will be archived on the company's website shortly after the call and be available for a year.

About Ameresco, Inc.

Ameresco, Inc. was incorporated in Delaware in April 2000 and is a leading independent provider of comprehensive energy efficiency solutions for facilities throughout North America. Ameresco's solutions include upgrades to a facility's energy infrastructure, and the development, construction and operation of renewable energy plants. With corporate headquarters located in Framingham, MA, Ameresco has 55 offices in 29 states and four Canadian provinces. For more information, visit www.ameresco.com.

    Source: Ameresco, Inc.

Released February 2, 2011