Alliance to Save Energy
http://www.ase.org

American Council for an Energy-Efficient Economy (ACEEE)
http://aceee.org

American Planning Organization (APA)
http://www.planning.org

Brookhaven National Laboratory
http://www.bnl.gov

Consortium for Energy Efficiency (CEE)
http://www.cee1.org

Distributed Power Coalition of America (DPCA)
http://www.distributed-generation.com/dpca

Electric Power Research Institute (EPRI)
http://www.epri.com

Electric Power Supply Association (EPSA)
http://www.epsa.org

International District Energy Association
http://www.districtenergy.org

National Association of Regulatory Utility Commissioners (NARUC)
http://www.naruc.org

National Association of State Energy Officials (NASEO)
http://www.naseo.org

National Energy Technology Laboratory
http://www.netl.doe.gov

National Renewable Energy Laboratory
http://www.nrel.gov

Natural Resources Defense Council (NRDC)
http://www.nrdc.org

Northeast Midwest Institute
http://www.nemw.org

Oak Ridge National Laboratory
http://www.ornl.gov

Regulatory Assistance Project
http://www.rapmaine.org

U.S. Combined Heat and Power Association (USCHPA)
http://www.uschpa.org