The majority of the Ethiopian population lives in rural areas and uses wood for domestic energy consumption. Using wood and fuel\nfor domestic uses accounts for deforestation and health problems, which is also dangerous for the environment. The Ethiopian\ngovernment has been planning to generate power from available renewable resources around the community. Therefore,\ndetermining the water surface potential of energy harvesting with floating solar photovoltaic system by using geographic\ninformation system is used to support decision-makers to use high potential areas. To identify useable areas for floating solar\nphotovoltaic, factors that affect the usability were identified and weighted by using Analytical Hierarchy Processes. Thus,\nweighted values and reclassified values were multiplied to do the final usability map of floating solar photovoltaic with ArcGIS\nsoftware. Due to the improper location of floating solar photovoltaic, efficiency is dropped. Therefore, the objective of this study\nwas to identify the most usable surface of water bodies in Amhara regional, state irrigation dams for generating electrical power.\nThe usability of the water surface for floating solar photovoltaic power plant was 63.83%, 61.09%, and 57.20% of Angereb, Rib,\nand Koga irrigation dams, respectively. The majority of the usable areas were found in the middle of the water surface. Nature\nwater surface is a key factor in generating solar energy; it affects the floating solar photovoltaic and irradiance coming to the\nsolar photovoltaic panel surface.
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