| 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. |
| Cogeneration and On-Site Power Production magazine: Published by James & James bi-monthly in magazine format and on-line. In the on-line version there are selected full-text illustrated articles, news items, abstracts, subscription information, and links to all of the other energy publications and database information resources. |
| Cogeneration Technologies: The company provides cogeneration development including engineering, design, feasibility studies, financing and investment capital. |
| 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. |
| College and University Cogeneration Systems: Listing of CHP (cogeneration) plants installed at colleges and universities, mainly in the US. |
| Microgy: Anaerobic digester technology that produces "green" energy by burning biogas derived from animal wastes. |
| Nils Tellier Consulting International: NTCI Inc provides engineering services for air separation plants, gas processes and small distributed power generation plants. Worldwide. |
| Sustainable Minnesota's Cogeneration Information Resources: Information about CHP in Minnesota. Many related links about cogeneration studies and research. |
| The Irish Combined Heat and Power Association: The representative body for the Combined Heat and Power sector in Ireland. |
| Transparent Energy Systems Private Limited: Steam Engine Driven Continuous Duty Power Generating Sets for Captive Power Generation. Free Refrigeration Effect, Energy saving, Efficiency Upgradation |
| Vital Energi Ltd: UK company for combined heat and power (CHP) and district energy. |
| Website for Aircogen Ltd: Aircogen Ltd design, manufacture, install and commission quality, custom built CHP solutions. |
| Wikipedia: Cogeneration: Free encyclopedia article describing the concept of cogeneration. |