Solar Irradiance History Bulk

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Product concept

Solar Irradiance History Bulk allows you to get an archive of historical solar data for your locations in a convenient format for you.

  • Data archive available for 45+ years, from 1st January, 1979
  • Global Horizontal Irradiance (GHI), Direct Normal Irradiance (DNI) and Diffuse Horizontal Irradiance (DHI) indexes
  • Data is available in 15-minutes and 1-hour steps
  • CSV and JSON formats

Detailed information about what technologies, algorithms, etc. are behind solar irradiance data can be found here.

How to get Solar Irradiance History Bulk

To get Solar Irradiance History Bulk for your locations, please contact us via email. We’ll prepare and export the data for you. Follow the pricing page to learn details.

Fields in Solar Irradiance History Bulk

In this section you can find the description of fields in the API response for Solar Irradiance History bulk file in JSON and CSV format.

JSON format

CSV format

For Solar Irradiance bulk we can provide you with a customized set and fields order in the API response. Please contact us via email and specify your needs.

Sample data and example

Here you can find and download example of Solar Irradiance History bulk file in JSON and CSV format.

JSON sample and example

You can download sample of files History Forecast bulk in JSON format using link below:

JSON

Please find below an example an example of data in JSON format for one measurement.

Solar Irradiance History Bulk example
                     

   [
     {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687305600,
         "dt_iso":"2023-06-21 00:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":0.0,
         "dni_cloudy_sky":0.0,
         "dhi_cloudy_sky":0.0,
         "ghi_clear_sky":0.0,
         "dni_clear_sky":0.0,
         "dhi_clear_sky":0.0
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687309200,
         "dt_iso":"2023-06-21 01:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":0.0,
         "dni_cloudy_sky":0.0,
         "dhi_cloudy_sky":0.0,
         "ghi_clear_sky":0.0,
         "dni_clear_sky":0.0,
         "dhi_clear_sky":0.0
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687312800,
         "dt_iso":"2023-06-21 02:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":0.0,
         "dni_cloudy_sky":0.0,
         "dhi_cloudy_sky":0.0,
         "ghi_clear_sky":0.0,
         "dni_clear_sky":0.0,
         "dhi_clear_sky":0.0
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687316400,
         "dt_iso":"2023-06-21 03:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":0.5,
         "dni_cloudy_sky":0.02,
         "dhi_cloudy_sky":0.48,
         "ghi_clear_sky":0.55,
         "dni_clear_sky":0.04,
         "dhi_clear_sky":0.52
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687320000,
         "dt_iso":"2023-06-21 04:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":36.73,
         "dni_cloudy_sky":149.45,
         "dhi_cloudy_sky":23.4,
         "ghi_clear_sky":45.33,
         "dni_clear_sky":233.74,
         "dhi_clear_sky":24.48
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687323600,
         "dt_iso":"2023-06-21 05:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":139.04,
         "dni_cloudy_sky":309.28,
         "dhi_cloudy_sky":67.56,
         "ghi_clear_sky":158.44,
         "dni_clear_sky":433.11,
         "dhi_clear_sky":58.33
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687327200,
         "dt_iso":"2023-06-21 06:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":228.12,
         "dni_cloudy_sky":342.96,
         "dhi_cloudy_sky":97.9,
         "ghi_clear_sky":300.37,
         "dni_clear_sky":571.3,
         "dhi_clear_sky":83.45
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687330800,
         "dt_iso":"2023-06-21 07:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":337.85,
         "dni_cloudy_sky":352.93,
         "dhi_cloudy_sky":152.94,
         "ghi_clear_sky":454.42,
         "dni_clear_sky":675.81,
         "dhi_clear_sky":100.36
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687334400,
         "dt_iso":"2023-06-21 08:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":435.68,
         "dni_cloudy_sky":403.36,
         "dhi_cloudy_sky":171.98,
         "ghi_clear_sky":600.41,
         "dni_clear_sky":747.65,
         "dhi_clear_sky":111.63
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687338000,
         "dt_iso":"2023-06-21 09:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":595.61,
         "dni_cloudy_sky":523.39,
         "dhi_cloudy_sky":197.65,
         "ghi_clear_sky":725.05,
         "dni_clear_sky":798.84,
         "dhi_clear_sky":117.65
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687341600,
         "dt_iso":"2023-06-21 10:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":751.48,
         "dni_cloudy_sky":732.17,
         "dhi_cloudy_sky":139.11,
         "ghi_clear_sky":814.15,
         "dni_clear_sky":827.27,
         "dhi_clear_sky":122.24
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687345200,
         "dt_iso":"2023-06-21 11:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":667.2,
         "dni_cloudy_sky":543.49,
         "dhi_cloudy_sky":190.74,
         "ghi_clear_sky":861.83,
         "dni_clear_sky":841.13,
         "dhi_clear_sky":124.43
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687348800,
         "dt_iso":"2023-06-21 12:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":540.62,
         "dni_cloudy_sky":380.7,
         "dhi_cloudy_sky":206.19,
         "ghi_clear_sky":864.75,
         "dni_clear_sky":843.33,
         "dhi_clear_sky":123.89
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687352400,
         "dt_iso":"2023-06-21 13:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":609.97,
         "dni_cloudy_sky":518.38,
         "dhi_cloudy_sky":173.67,
         "ghi_clear_sky":822.44,
         "dni_clear_sky":833.43,
         "dhi_clear_sky":120.96
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687356000,
         "dt_iso":"2023-06-21 14:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":485.96,
         "dni_cloudy_sky":393.18,
         "dhi_cloudy_sky":183.7,
         "ghi_clear_sky":738.6,
         "dni_clear_sky":811.14,
         "dhi_clear_sky":115.02
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687359600,
         "dt_iso":"2023-06-21 15:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":487.16,
         "dni_cloudy_sky":572.25,
         "dhi_cloudy_sky":106.77,
         "ghi_clear_sky":619.72,
         "dni_clear_sky":772.01,
         "dhi_clear_sky":106.54
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687363200,
         "dt_iso":"2023-06-21 16:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":335.61,
         "dni_cloudy_sky":353.92,
         "dhi_cloudy_sky":145.67,
         "ghi_clear_sky":476.28,
         "dni_clear_sky":710.12,
         "dhi_clear_sky":95.18
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687366800,
         "dt_iso":"2023-06-21 17:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":216.53,
         "dni_cloudy_sky":257.78,
         "dhi_cloudy_sky":115.13,
         "ghi_clear_sky":321.64,
         "dni_clear_sky":614.39,
         "dhi_clear_sky":79.95
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687370400,
         "dt_iso":"2023-06-21 18:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":141.26,
         "dni_cloudy_sky":283.99,
         "dhi_cloudy_sky":71.75,
         "ghi_clear_sky":173.81,
         "dni_clear_sky":472.68,
         "dhi_clear_sky":58.12
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687374000,
         "dt_iso":"2023-06-21 19:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":49.64,
         "dni_cloudy_sky":161.89,
         "dhi_cloudy_sky":33.17,
         "ghi_clear_sky":54.6,
         "dni_clear_sky":269.06,
         "dhi_clear_sky":27.24
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687377600,
         "dt_iso":"2023-06-21 20:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":1.26,
         "dni_cloudy_sky":0.0,
         "dhi_cloudy_sky":1.26,
         "ghi_clear_sky":1.44,
         "dni_clear_sky":0.2,
         "dhi_clear_sky":1.24
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687381200,
         "dt_iso":"2023-06-21 21:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":0.0,
         "dni_cloudy_sky":0.0,
         "dhi_cloudy_sky":0.0,
         "ghi_clear_sky":0.0,
         "dni_clear_sky":0.0,
         "dhi_clear_sky":0.0
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687384800,
         "dt_iso":"2023-06-21 22:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":0.0,
         "dni_cloudy_sky":0.0,
         "dhi_cloudy_sky":0.0,
         "ghi_clear_sky":0.0,
         "dni_clear_sky":0.0,
         "dhi_clear_sky":0.0
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687388400,
         "dt_iso":"2023-06-21 23:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":0.0,
         "dni_cloudy_sky":0.0,
         "dhi_cloudy_sky":0.0,
         "ghi_clear_sky":0.0,
         "dni_clear_sky":0.0,
         "dhi_clear_sky":0.0
         },
    {
         "lat":51.496188,
         "lon":-0.126332,
         "dt":1687392000,
         "dt_iso":"2023-06-22 00:00:00 +0000 UTC",
         "timezone":3600,
         "ghi_cloudy_sky":0.0,
         "dni_cloudy_sky":0.0,
         "dhi_cloudy_sky":0.0,
         "ghi_clear_sky":0.0,
         "dni_clear_sky":0.0,
         "dhi_clear_sky":0.0
         }
   ]
                     
   

CSV sample and example

You can download sample of files History Forecast bulk in CSV format using link below:

CSV

Please find below an example of data in CSV format in tabular format.

Extract example
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