HOMER Grid 1.10

Zoom Window Out
Larger Text | Smaller Text
Hide Page Header
Show Expanding Text
Printable Version
Save Permalink URL

Navigation: Glossary

Global Horizontal Irradiance (GHI)

HOMER Logo

Global Horizontal Irradiance (GHI) is the total solar radiation incident on a horizontal surface. It is the sum of Direct Normal Irradiance (DNI), Diffuse Horizontal Irradiance, and ground-reflected radiation. HOMER uses Solar GHI to compute flat-panel PV output.

graphics_solar_radiation_nrel

See also

Photovoltaic Panels (PV)

Solar GHI Resource

The Homer Support site has a searchable knowledgebase and additional support options. HOMER Online contains the latest information on model updates, as well as sample files, resource data, and contact information.UL LLC © 2022