Data of high resolution (10kmx10km) Global Horizontal Irradiance (GHI) for Ghana for the years 2000, 2001 and 2002. The data are available for monthly and annual sums stored in a ESRI-Shapefile. The data are helpful for the assessment of the solar potential of the country and can give project developer a first impression of the solar resource of the country. Citation: DLR & Negawatt challenge. The World Bank and the International Finance Corporation, collectively the World Bank Group (WBG) strives to enhance public access to and use of data that can support development impact. World Bank Group. (2015). Ghana - Average Global Horizontal (GHI) GIS Data (2015) World Bank Group. Available at: http://purl.stanford.edu/tg763tn5652 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.