EnergyFiles: Renewable Energy

Energy Efficiency and Renewable Energy - Energy information portal of energy efficiency and renewable energy information
GeoThermal Energy Technology (GET) Subject Portal - free renewable and reliable energy sources that serve environmental and energy objectives, as well as other related subjects
Renewable Electric Plant Information System (REPiS Database) - Provided by the National Renewable Energy Laboratory, this database contains data on bioenergy, geothermal, hydroelectric, photovoltaic, solarthermal and wind powered electric plants and information on renewable energy generation capacity connected to the utility grid
REPP Publications and Testimonials - Provided by the National Renewable Energy Laboratory, RReDC provides information on several types of renewable energy resources in the United States, in the form of publications, data, and maps
Smart Communities Network - This U.S. Department of Energy site provides information on land use planning, transportation, green buildings, resources efficiency, sustainable business, and disaster planning
Surface Meteorology and Solar Energy - Contains over 200 satellite-derived meteorology and solar energy parameters, monthly averaged from 10 years of data, data tables for a particular location, color plots on both global and regional scales, global solar energy data for 1195 ground sites, and data for the RETScreen® Renewable Energy Project Analysis Software