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Data parameters

Meteorological parameters

GHI Global horizontal irradiation kWh/m2  
DIF Diffuse horizontal irradiation kWh/m2  
DNI Direct normal irradiation kWh/m2  
GTI Global tilted irradiation kWh/m2  
TEMP Air temperature at 2 meters °C / °F  
PVOUT PV cSi yield kWh Calculated photovoltaic electricity (AC) delivered by the total installed capacity of a PV system.
WS Wind speed m/s at 10 m above ground m/s  
WD Wind direction at 10 m above ground °  
RH Relative humidity at 2m above ground %  
AP Atmospheric pressure hPa  


Additional parameters

ELE Elevation m Elevation above sea level
SE Solar elevation °  
SA Solar azimuth °  


Temporal resolution

Primary data 10/15-minute step (depending on satellite mission and region)
Aggregated data hourly, daily, monthly, yearly