
	American DG Energy Inc., an on-site utility company, distributes, owns, operates, and maintains on-site energy systems that produce electricity, hot water, and heat and cooling at customers&rsquo; sites in the United States. The company owns and installs equipment at customers&rsquo; facilities and sells the energy produced by these systems to customers on a long-term contractual basis. It offers natural gas powered cogeneration systems that produce electricity from an internal combustion engine driving a generator, while the heat from the engine and exhaust is recovered and is used to produce heat and hot water for use at the site. The company also distributes and operates water chiller systems for building cooling applications. It offers standardized packages of energy, equipment, and services to the needs of property owners and operators in healthcare, hospitality, large residential, athletic, and industrial facilities. As of December 31, 2012, the company had installed 92 energy systems, representing approximately 6,388 kilowatts, 51.0 million British thermal units of heat and hot water, and 2,820 tons of cooling. American DG Energy Inc. was incorporated in 2001 and is headquartered in Waltham, Massachusetts.
