WALTHAM, Mass., April 2, 2012 /PRNewswire/ -- American DG Energy Inc. (NYSE Amex: ADGE), a leading On-Site Utility, offering clean electricity, heat, hot water and cooling solutions to hospitality, healthcare, housing and athletic facilities, today announced that its Board of Directors named Charles T. Maxwell as its new Chairman of the Board. Dr. George Hatsopoulos resigned as Chairman of the Board due to personal reasons, but will remain as a director of the Company. Charles T. Maxwell has been a member of the Company's Board since 2001. He is a widely recognized expert in the energy sector, with over 40 years of experience with major oil companies and investment banking firms. He is currently Senior Energy Analyst with Weeden & Co. of Greenwich, Connecticut, where he advises financial institutions on where returns are likely to be highest in the oil and gas industry and which companies will achieve them. Since the early 1980's, he has been an active member of an Oxford-based organization comprised of the Organization of Petroleum Exporting Countries (OPEC) and other industry executives from 30 countries who meet twice annually to analyze trends within the global energy industries and markets. He is a member of the board of directors of Chesapeake Energy Corp. and Tecogen Inc., an affiliate of the company. Mr. Maxwell graduated cum laude in political science from Princeton University as a Jadwin Scholar and holds a B.A. from Oxford University as a Marshall Scholar in Middle East languages and history. About American DG Energy American DG Energy supplies low-cost energy to its customers through distributed power generating systems. The Company is committed to providing institutional, commercial and small industrial facilities with clean, reliable power, cooling, heat and hot water at lower costs than charged by local utilities – without any capital or start-up costs to the energy user – through its On-Site Utility energy solutions. American DG Energy is headquartered in Waltham, Massachusetts. More information can be found at www.americandg.com. FORWARD-LOOKING STATEMENTS This press release contains forward-looking statements under the Private Securities Litigation Reform Act of 1995 that involve a number of risks and uncertainties. Important factors could cause actual results to differ materially from those indicated by such forward-looking statements, as disclosed on the Company's website and in Securities and Exchange Commission filings. This press release does not constitute an offer to buy or sell securities by the Company, its subsidiaries or any associated party and is meant purely for informational purposes. The statements in this press release are made as of the date of this press release, even if subsequently made available by the Company on its website or otherwise. The Company does not assume any obligation to update the forward-looking statements provided to reflect events that occur or circumstances that exist after the date on which they were made.