• Wind and Solar data has been compiled into a database for the U.S. (Southeastern Region for Solar) and can be downloaded from the attachments section of Get the Database
• Maps of zoned regions in some states and regions are included in the report found on the Home Page.

• http://www.awea.org/ : The American Wind Energy Associaion's website. This website contains lots of information about wind, wind turbine design and classes, wind turbine reliability, and other wind-related topics.
• http://www.nrel.gov/wind/integrationdatasets/ : The NREL site for the wind integration data sets, including the EWITS data.
• http://www.nrdc.org/land/sitingrenewables/default.asp : A Google Earth layer that shows areas that should be off-limits to renewable development. The National Audubon Society and the Natural Resources Defense Council created this Google Earth layer.
• http://www.climate.unc.edu/coastal-wind : A similar research project that was carried out by UNC Chapel HIll for locating feasible wind sites in North Carolina waters.

• http://www.nrel.gov/rredc/pvwatts/: PVWatts -- NREL's PV energy production and cost calculator by specific city or in 40-km regions across the U.S.
• https://www.nrel.gov/analysis/sam/ Solar Advisor Model for PV and CSP for real application analysis

            Maps

• http://www.nrel.gov/gis/solar.html: NREL Solar Maps -- Precisions of 10km, 40km
• http://mapserve2.nrel.gov/website/Measurements/Viewer.htm Interactive Map for Solar Radiation Data, Measurement Site Locations, and PVWatts data

           Solar Radiation and Weather Data

• TMY2: http://rredc.nrel.gov/solar/old_data/nsrdb/1961-1990/tmy2/ (Typical Meteorological Year Data 2 used in PVWatts)
• TMY3: http://rredc.nrel.gov/solar/old_data/nsrdb/1991-2005/tmy3/ (1020 locations, compared with 239 for the TMY2 data set)
• http://www.nrel.gov/docs/legosti/old/7904.pdf: Solar Radiation Data Manual for Buildings provides solar resource information for radiation incident on a building