Difference between TotalRadiation on RadiationAnalysis from Ladybug and WindowTotalSolarEnergy on EnergyPlus from HoneyBee?

grasshopper honeybee-legacy
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Hi,
can someone help me to understand why there is a difference between values that come from TotalRadiation calculate on my window surface on RadiationAnalysis from Ladybug and WindowTotalSolarEnergy calculate for the same window on EnergyPlus from HoneyBee ?

When I change the U value of the glazing, it also change the value of WindowTotalSolarEnergy.
what does the WindowTotalSolarEnergy takes into account?

It’s for an academic work!

thank you!

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Hi @julien,

Honeybee is about energy use of the building.
The honeybee/eplus output WindowTotalSolarEnergy tells you about the energy transport through the window.
Ladybug is ment for environmental simulations and tells you only something about the solar radiation which is falling on the outside boundary of a surface.

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Thank You my Dear! :slight_smile: @Erikbeeren