Access data and analysis services that provide access to solar resource data and NREL models.
Freely available downloads of The National Solar Radiation Database.
The real-time status of the solar photovoltaic market in the U.S.
Provides access to photovoltaic performance data collected by NREL for systems throughout the country.
NREL's PVWatts calculates the energy production of grid-connected photovoltaic (PV) energy systems. This service estimates the performance of hypothetical residential and small commercial PV installations.
Returns information on the closest climate data for a location.
Returns various types of solar data for a location. The service currently returns data for average Direct Normal Irradiance, average Global Horizontal Irradiance, and average Tilt at Latitude.