Introduction
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Introduction in to solar irradiance.
Solar irradiance is ...
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│ PVGIS can model solar irradiance components or read selectively │
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Solar irradiance is the power per unit area (surface power density)
received from the Sun in the form of electromagnetic radiation in the
wavelength range of the measuring instrument. Solar irradiance is measured
in watts per square metre (W/m2) in SI units. (source: Wikipedia)