Energy Efficiency and Renewable Energy; 877.377.3463
A resource for descriptions, definitions, and suggestions on alternative-energy consumer options for consumers.

Home Power; 800.707.6585
This online journal provides information on renewable-energy power systems for the home.

National Renewable Energy Laboratory; 303.275.3000
Offers information about specific technologies and current research conducted on alternative energies.

Rocky Mountain Institute; 970.927.3851
Distributes “Home Energy Briefs,” a compilation of techniques and suggestions for making homes energy-efficient and environmentally sustainable.