U.S. Combined Heat and Power Association
- Advocates that combined heat and power receive recognition by U.S., state and local governments as an environmental and economic development strategy. Links and technical information.
- http://uschpa.admgt.com/

Energytech
- Information about combined heat and power (CHP) including technology, fuel and economic aspects by the Austrian Energy Agency.
- http://www.energytech.at/kwk/

Welcome To IDEA
- The International District Energy Association. CHP, cogen, and district energy.
- http://www.districtenergy.org/

EPA's Combined Heat and Power Partnership
- An EPA voluntary program that seeks to reduce the environmental impact of electricity generation by fostering the development of CHP.
- http://www.epa.gov/chp/

Combined Heat and Power Information
- Information on CHP and DHC (District Heating and Cooling) in the EU. A combined site for several European companies to provide information to consumer, business, and governments.
- http://www.chp-info.org/

COGEN EUROPE - The European Association for the Promotion of Cogeneration
- Extensive information about cogeneration (simultaneous production of heat and electricity): what it is, how it works, economics, European legislation, barriers to broader implementation, facts and figures about its use, and implications for global warming
- http://www.cogen.org/

Midwest Cogeneration Association
- MCA works to improve general business conditions of the industry. This non-profit organization provides pertinent information for its members and the public to conduct research, publish reports, and holds seminars and workshops.
- http://www.cogeneration.org/index.html

CHPA
- The Combined Heat and Power Association works to promote the wider use of combined heat and power, cogeneration, and community heating.
- http://www.chpa.co.uk/