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HOMER Pro 3.14

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Direct Normal Irradiance (DNI)

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Direct Normal Irradiance (DNI) is direct beam radiation. HOMER uses it to calculate Concentrating PV output. Concentrating PV uses optics to concentrate the solar radiation in a way that captures only the DNI and not the diffuse or reflected components of the incident solar radiation.


See also

Photovoltaic Panels (PV)

Solar DNI Resource

Global Horizontal Irradiance GHI