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HOMER Pro 3.10

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Ground Reflectance

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Type:

Input Variable

Units:

%

Symbol:

ρg

The ground reflectance (also called albedo) is the fraction of solar radiation incident on the ground that is reflected. A typical value for grass-covered areas is 20%. Snow-covered areas may have a reflectance as high as 70%. This value is used in calculating the radiation incident on the tilted PV panels, but it has only a modest effect.

See also:

Photovoltaic Panels (PV)