Comparative performance of wind and electric pumps for irrigation
2015
Diaba, Selasi Kwasi (Anglican University College of Technology, Sunyani (Ghana)) | Kutsanedzie, Felix (Accra Polytechnic, Accra (Ghana)) | Deku, Anthony (Accra Polytechnic, Accra (Ghana))
Wind energy technology may turn out to be the best alternative compared to the use of hydro electric power for pumping water for irrigation in certain parts of Ghana during the dry season. This paper focuses on evaluating the performance of wind and electric pump through the mounting of an experiment in order to do a comparative evaluation of the investment cost of running the two energy-based pumping systems in the Keta District which provides one of the best wind regimes in Ghana. Farmers in these coastal communities may have engaged in the use of wind energy for water pumping but for its high initial cost. Despite the high initial cost farmers could form cooperative societies in order to run a wind energy pumping system. The high electricity tariff paid every month for power consumption deters majority of the farmers using hydro electricity technology for pumping. A total investment cost of ¢4095.80 per hectare was incurred by farmers using the electric power whilst ¢929.80 per hectare by those using the wind power technology for every farming season. A difference of ¢3166.00 could be saved for other uses by farmers practicing the wind energy technology.
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