Renewable Resource Data
NREL collects and provides extensive renewable resource data to help energy system designers, building architects and engineers, renewable energy analysts, and others to accelerate the integration of renewable energy technologies on the grid.
A serially complete collection of meteorological and solar irradiance data sets for the United States and a growing list of international locations.
Data, maps, and tools related to U.S. biomass, geothermal, solar, and wind energy resources.
Irradiance and meteorological data from stations throughout the United States.
Live solar radiation data from approximately 70 instruments on NREL's campus and historical measurements dating to 1981.
Results from NREL's regular calibrations of U.S. Department of Energy pyranometers and pyrheliometers.
Reports and photos from NREL's annual pyrheliometer comparisons.