The application of renewable energy system has become an important alternative in agricultural domain. This paper studies the Possibility of utilizing photovoltaic stand-alone systems to cover basic electricity needs of the livestock shelters located in Terny Beni Hdiel district of Tlemcen (Algeria). Data on solar radiation, sunshine duration has been recorded in Terny Beni Hdiel area. This photovoltaic system, which includes a PV, inverter, and a battery, was installed to supply energy to 5500W load, considering that the renewable energy resources of this site where the system was installed were 4509Wh/m2/day solar radiation yearly average speed. The National Renewable Energy Laboratory (NREL) optimization computer model for distributed power, "HOMER," is used for the analysis of sizing and sensitivity, performed in order to obtain the most feasible configuration of a photovoltaic system.

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