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Khairy F. A. elsayed
Ahmed M. Kassem
Emad H. El-Zohri
Amal Mohamed Abd El-hamed


This paper gives the feasibility analysis of PV- Battery system for an off-grid power station in Sohag city. Hybrid PV-battery system is used for supplying a combined pumping and residential load. A simple cost effective method for sizing stand-alone PV hybrid systems was introduced. The aim of sizing hybrid system is to determine the cost effective PV configuration and to meet the estimated load at minimum cost. This requires assessing the climate conditions which determine the temporal variation of the insolation in Sohag city. Sizing of the hybrid system components was investigated using RETscreen and HOMER programs. The sizing software tools require a set of data on energy resource demand and system specifications. The energy cost values of the hybrid system agrees reasonably with those published before.

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