This paper investigates the feasibility of using solar energy coupled to reverse osmosis (RO) units for the desalination of brackish water in the Jordan Valley, the food basket for the West Bank, Palestine. Pilot-scale RO units are appropriate because of the low energy requirement, market availability, size and area and convenience of installation in the Jordan Valley’s harsh conditions. The study concerned the Marj Naajeh desalination unit. The economic feasibility was compared to other alternative energy sources (diesel generators and network electricity). The environmental costs were considered as well as the economic costs. The results obtained suggest upgrading 162 agricultural wells of different water capacities and quality. Further studies on design capacity and efficiency of future desalination facilities would be beneficial.
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