Solar data and tools that fit your projects

Choose an offer

  • Open

    Our reference data, under a CC BY 4.0 licence, by download and through the API

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    Historical depth
    Since 1981, hourly since 2001
    Time step
    Hourly, daily, monthly, annual
    Formats
    CSV, Parquet, JSON
    Access
    Download and API, free key
    • Included: Calibrated solar resource by administrative territory
    • Included: Documented source, method and uncertainty
    • Not included: Hourly and monthly series calibrated on your site
    • Not included: Typical meteorological year (TMY)
    • Not included: P50, P80 and P90 solar resource
    • Not included: Uncertainty at the site and report
    • Not included: Ground measurement on your site
    • Not included: Service commitment
  • Pro

    An annual subscription to calibrated series and the API, with volume and a service commitment

    Request a quote
    Historical depth
    Since 1981, hourly since 2001
    Time step
    Hourly, daily, monthly
    Formats
    CSV, JSON
    Access
    API and download, volume to suit
    • Included: Calibrated solar resource by administrative territory
    • Included: Documented source, method and uncertainty
    • Included: Hourly and monthly series calibrated on your site
    • Included: Typical meteorological year (TMY)
    • Not included: P50, P80 and P90 solar resource
    • Not included: Uncertainty at the site and report
    • Not included: Ground measurement on your site
    • Included: Service commitment
    Learn more : Pro
  • Resource file

    The calibrated solar resource of a site, documented for the funder

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    Historical depth
    Over 20 years at hourly step
    Time step
    Hourly, monthly, typical year
    Formats
    CSV and PDF report
    Access
    Delivered file
    • Included: Calibrated solar resource by administrative territory
    • Included: Documented source, method and uncertainty
    • Included: Hourly and monthly series calibrated on your site
    • Included: Typical meteorological year (TMY)
    • Included: P50, P80 and P90 solar resource
    • Included: Uncertainty at the site and report
    • Not included: Ground measurement on your site
    • Included: Service commitment
    Learn more : Resource file
  • Measurement campaign

    A measurement station on your site and calibrated data over twelve months

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    Historical depth
    12 months of measurement and a long calibrated series
    Time step
    Hourly, monthly, typical year
    Formats
    CSV and PDF report
    Access
    Delivered file
    • Included: Calibrated solar resource by administrative territory
    • Included: Documented source, method and uncertainty
    • Included: Hourly and monthly series calibrated on your site
    • Included: Typical meteorological year (TMY)
    • Included: P50, P80 and P90 solar resource
    • Included: Uncertainty at the site and report
    • Included: Ground measurement on your site
    • Included: Service commitment
    Learn more : Measurement campaign

The right data and tools for your solar projects