Global Horizontal Irradiation (250m) is the data “developed by SOLARGIS (https://solargis.com) and provided by the Global Solar Atlas (GSA).” This page purposes to explain detailed information for the downloadable data.
Example Dataset
Please download a free example dataset and use it in you app or analysis.
URL Expiration
All downloadable URLs expire in 90 days after your order.
Data Format
The default format is csv where no single/double quotation marks are used in the file. The geojson format is available, changing the file extension in the provided url from “csv” to “geojson.” Note that the geometry of geojson format is Point.
Example
Column Names / Property Names
| Names | Description | Physical unit / classes | Physical min | Physical max | Digital max | Scaling | Offset |
| time | The start date of the 10-daily period. | YYYY-MM-DD hh:mm:ss | – | – | – | – | – |
| lat | Latitude | Decimal | -90 | 90 | – | – | – |
| lon | Longitude | Decimal | -180 | 180 | – | – | – |
| GHI | Daily Average Global Horizontal Irradiation | kWh/m² | – | – | – | – | – |
Further Details on Global Horizontal Irradiation (250m)
For further details, please refer the following page.
World – Global Horizontal Irradiation (GHI) GIS Data, (Global Solar Atlas)