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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.

National Solar Radiation Database

A serially complete collection of meteorological and solar irradiance data sets for the United States and a growing list of international locations.

Renewable Resource Data Center

Data, maps, and tools related to U.S. biomass, geothermal, solar, and wind energy resources.

Measurement and Instrumentation Data Center

Irradiance and meteorological data from stations throughout the United States.

Baseline Measurement System

Live solar radiation data from approximately 70 instruments on NREL's campus and historical measurements dating to 1981.

Broadband Outdoor Radiometer Calibrations

Results from NREL's regular calibrations of U.S. Department of Energy pyranometers and pyrheliometers.

NREL Pyrheliometer Comparisons

Reports and photos from NREL's annual pyrheliometer comparisons.


Benjamin Kroposki

Center Director, Power Systems Engineering | 303-275-2979