Access data and analysis services that provide access to solar resource data and NREL models.
Provides access to photovoltaic performance data collected by NREL for systems throughout the country.
NREL's PVWatts calculates the energy production and cost savings of grid-connected photovoltaic (PV) energy systems. This service estimates the performance of hypothetical residential and small commercial PV installations.
DEPRECATED and will no longer be available as of 7/1/2013. Please migrate to the new Solar Resource web service
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.