Developer Network NREL NREL Developer Network

Solar

Access data and analysis services that provide access to solar resource data and NREL models.

NSRDB Data Downloads

Freely available downloads of The National Solar Radiation Database.

OpenPV (The Open PV Project)

The real-time status of the solar photovoltaic market in the U.S.

PVDAQ (PV Data Acquisition)

Provides access to photovoltaic performance data collected by NREL for systems throughout the country.

PVWatts (Version 4) (GET /api/pvwatts/v4)

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.

PVWatts (Version 5) (GET /api/pvwatts/v5)

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.

Solar Dataset Query (GET /api/solar/data_query/v1)

Returns information on the closest climate data for a location.

Solar Resource Data (GET /api/solar/solar_resource/v1)

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.


Deprecated

Direct Normal Irradiance (Deprecated) (GET /api/georeserv/service/solar/dni)

Deprecated: We encourage you to migrate the new Solar Resource web service.

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