Ameresco, Inc. to Announce Third-Quarter 2010 Financial Results on October 29, 2010

FRAMINGHAM, Mass.--(BUSINESS WIRE)-- Ameresco, Inc. (NYSE:AMRC), a leading comprehensive energy efficiency and renewable energy company, today announced the company will release its third-quarter financial results before the market opens on Friday, October 29, 2010 and host a conference call that day at 10:30 a.m. ET.

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 the company's business outlook and strategy.

Participants may access by dialing domestically 888.713.4209 or internationally 617.213.4863. The passcode is 86670561. Those who wish to listen only to the conference call webcast may visit the "Investor Relations" section of the company's website at www.ameresco.com. Participants are advised to dial into the call at least ten minutes prior to the call to register. Pre-Registration for the call is available at:

https://cossprereg.btci.com/prereg/key.process?key=PGL4K9YVW

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.

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 October 18, 2010