Image: World GHI Solar-resource-map GlobalSolarAtlas World-Bank-Esmap-Solargis

Description: Solar resource: GLOBAL HORIZONTAL IRRADIATION (GHI) - this solar resource map provides a summary of the estimated solar energy available for power generation and other energy applications. It represents the average daily/yearly totals of global horizontal irradiation (GHI) covering a period from 1994/1999/2007 (depending on the region) to 2018. The underlying solar resource database is calculated by the Solargis model from atmospheric and satellite data with 10-, 15- and 30-minute time step. The effects of terrain are considered at nominal spatial resolution of 250 m. There is some uncertainty in the yearly GHI estimate as a result of limited potential for regional model validation due to a lack of high quality ground measurement data, which is estimated to vary regionally from approx. 4% to 8%. GHI is the most important parameter for energy yield calculation and performance assessment of flat-plate photovoltaic (PV) technologies.
Title: World GHI Solar-resource-map GlobalSolarAtlas World-Bank-Esmap-Solargis
Credit: https://globalsolaratlas.info
Author: Solargis
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Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: https://creativecommons.org/licenses/by/4.0
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