Cogeneration and On-Site Power Production Magazine
- Magazine that focuses on clean and efficient decentralized generation of power.
- http://www.cospp.com

Wikipedia: Cogeneration
- Free encyclopedia article describing the concept of cogeneration.
- http://en.wikipedia.org/wiki/Cogeneration

The Irish Combined Heat and Power Association
- The representative body for the Combined Heat and Power sector in Ireland.
- http://www.ichpa.com

Cogeneration Technologies
- The company provides cogeneration development including engineering, design, feasibility studies, financing and investment capital.
- http://www.cogeneration.net

Website for Aircogen Ltd
- Aircogen Ltd design, manufacture, install and commission quality, custom built CHP solutions.
- http://www.aircogen.co.uk

Vital Energi Ltd
- UK company for combined heat and power (CHP) and district energy.
- http://www.vitalenergi.co.uk

Microgy
- Anaerobic digester technology that produces "green" energy by burning biogas derived from animal wastes.
- http://www.microgy.com/

Transparent Energy Systems Private Limited
- Steam Engine Driven Continuous Duty Power Generating Sets for Captive Power Generation. Free Refrigeration Effect, Energy saving, Efficiency Upgradation
- http://www.tesplcogen.com/

Nils Tellier Consulting International
- NTCI Inc provides engineering services for air separation plants, gas processes and small distributed power generation plants. Worldwide.
- http://www.ntciinc.com

Cogeneration-Combined Heat and Power (Electricity) Generation
- Research notes by Australian government on CHP. Basic information on CHP costs savings and current state of the art.
- http://www.aph.gov.au/library/pubs/rn/1998-99/99rn21.htm

CHP - Capturing Wasted Energy
- Good basic overview of CHP and statistics. This is a brief of the full paper, but some good basic information on congeneration with diagrams and charts.
- http://www.aceee.org/pubs/ie983.htm

College and University Cogeneration Systems
- Listing of CHP (cogeneration) plants installed at colleges and universities, mainly in the US.
- http://www.energy.rochester.edu/us/list.htm