Data delivery web service API

WS Technology

WS API request parameters (represented as XML elements and attributes) are formally described by XML Schema Definition documents (XSD). To validate XML files we provide two endpoint variants:

  • SOAP
  • REST

The amount of data within one request is currently limited to period of max. 31 days regardless to time resolution (the same rule applies for hourly or 15-minute time step).

Price and License

Price is specified individually based on your requirements. It reflects:

  • Requested type and parameters (PVOUT, GHI, GTI, DNI, TEMP, etc.)
  • Number of requests

Typicaly, licence to access API is valid for one year. Authentication is based on API key registered with the customer.

Response content

Meteo parameters

  • DNI - Direct Normal Irradiance/Irradiation
  • GHI - Global Horizontal Irradiance/Irradiation
  • GTI - Global Tilted (in-plane) Irradiance/Irradiation
  • DIF - Diffuse Horizontal Irradiance/Irradiation
  • TEMP - Air temperature at 2 m
  • RH - Relative humidity
  • WS - Wind Speed at 10 m
  • WD - Wind Direction 
  • AP - Atmospheric pressure

Geographic parameters

  • SE – Solar elevation
  • SA - Solar angle
  • ELE - Elevation

Simulation method

  • PVOUT – calculation of potential electricity energy output from custemer defined PV system

Temporal summarization

  Primary data

  • 10/15/30-minute-step (depending on satellite mission and region)

  Aggregated data

  • hourly
  • daily
  • monthly
  • yearly

Data coverage

climdata temporal coverage solargis

Historic: Present coverage of historic solar radiation and PV data
  from 1994       from 1999       from 2007     ■ no data

pvspot data availability solargis

Operational: Present coverage of operational and recent solar radiation and PV data
  Available now     On request

forecast ghi highres coverage solargis

Forecast: High resolution, higher reliability forecast data is routinely available in the regions marked on the map. Upon request, we can start forecasting service for any other area. 
Lower resolution forecast data available globally.