In this document
You will learn what services, data types, and features are included in Solargis Evaluate application subscriptions.
Evaluate data parameter specifications
The following table details all parameters available in the Solargis Evaluate application. It specifies the units, source, and resolution of each parameter.
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Parameter | Acronym | Unit | Type | Source | Spatial resolution | Analysis | Solar & meteo data export | Energy system data export |
Global Horizontal Irradiation * | GHI | kWh/m2, Wh/m2, W/m2 | Solar | Solargis | 0.00083° (~90 m) |
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Direct Normal Irradiation * | DNI | kWh/m2, Wh/m2, W/m2 | Solar | Solargis | 0.00083° (~90 m) |
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Ratio of diffuse to global irradiation | D2G | kWh/m2, Wh/m2, W/m2 | Solar | Solargis | 0.00083° (~90 m) |
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Diffuse Horizontal Irradiation * | DIF | kWh/m2, Wh/m2, W/m2 | Solar | Solargis | 0.00083° (~90 m) |
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Cloud identification quality flag | CI_FLAG | - | Solar | Solargis | n/a |
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Sun Altitude (Elevation) Angle | SUN_ELEVATION | ° | Solar | Solargis | n/a |
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Sun Azimuth Angle | SUN_AZIMUTH | ° | Solar | Solargis | n/a |
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Air Temperature at 2 meters | TEMP | °C | Climate | ERA5-Land/Solargis | 0.0083° (~1 km) |
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Wind Speed | WS | m/s | Climate | ERA5 | 0.25° (~28 km) |
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Wind Direction | WD | ° | Climate | ERA5 | 0.25° (~28 km) |
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Wind Gust | WG | m/s | Climate | ERA5 | 0.25° (~28 km) |
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Relative Humidity | RH | % | Climate | ERA5 | 0.25° (~28 km) |
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Atmospheric Pressure | AP | hPa | Climate | ERA5-Land/Solargis | 0.0083° (~1 km) |
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Precipitation Rate | PREC | mm/h | Climate | ERA5-Land | 0.1° (~11 km) |
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Precipitable Water | PWAT | kg/m2 | Environment | ERA5 | 0.25° (~28 km) |
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Water equivalent of accumulated snow depth | SDWE | kg/m2 | Climate | ERA5-Land | 0.1° (~11 km) |
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Water equivalent of fresh snowfall rate | SFWE | kg/m2/hour | Climate | ERA5-Land | 0.1° (~11 km) |
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Dew Point Temperature | TD | °C | Climate | ERA5-Land/Solargis | 0.0083° (~1 km) |
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Wet Bulb Temperature | WBT | °C | Climate | ERA5-Land/Solargis | 0.0083° (~1 km) |
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Photovoltaic Output ** | PVOUT | kW, kWh, kW/kWp, kWh/kWp | PV | Solargis | 0.00083° (~90 m) |
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Global Tilted Irradiation ** | GTI | kWh/m2, Wh/m2, W/m2 | Solar | Solargis | 0.00083° (~90 m) |
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Ground surface albedo *** | ALB | - | Environment | MODIS, ERA5, Solargis | 0.0083° (~1 km) |
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* Parameter also provided as a variant without horizon shading
** Parameter also available as an intermediate calculation
*** Ground surface albedo provided as twelve monthly long-term average values
Evaluate subscription - technical details
Geographical coverage | Global coverage as per Figure 1 |
LTA ground surface albedo | Represents a period from 2006 to 2015. |
Figure 1: Geographical coverage of Solargis Evaluate data.