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Abstract The unbalanced distribution of the Egyptian population causes serious social and economic problems. So, redistributing population density to fully utilize the uninhabited areas like desert regions is very critical. This issue requires discovering renewable energy and water resources, to achieve an optimal goal of the sustainable national strategy. Besides, Egyptian strategies are currently devoted to support the development and implementation of renewable energy technologies. Solar production could help to provide safe energy for conserving the environment and proceed with sustainable development policies.One of the most important and outstanding factors in building a solar power plant is the selection of the optimum site, which is considered the first stage to develop a solar energy industry.Therefore, this study aims to select the most suitable locations for establishing the solar photovoltaic (PV) power plants considering the techno-economic and environmental conditions, assuring the maximum power achievement with minimizing project cost.To achieve this, the integration of Geographic Information System (GIS) tools, Remote Sensing technology (RS) with the Multi-Criteria Decision Making (MCDM) technique was performed. Among MCDM techniques, the Analytic Hierarchy Process (AHP) method has been used to determine the weights of the multi-criteria (techno-economic and environmental) through pairwise comparisons, as a more suitable tool to solve site selection problems. The obtained results showed that the entire region’s surface receives a large amount of radiation, as the maximum and the minimum values of solar radiation for 2018 were 5.9-4.7 kWh/m2/day, respectively |