Abstract
Solar and wind energy systems are attractive hybrid renewable energy systems suitable for various applications and most commonly for power generation. Compared to standalone wind and solar devices, hybrid systems have several advantages, including requiring lesser or no storage devices, being more reliable, damping the daily and seasonal variations and ensuring constant energy flows. This work aims to conduct a feasibility study and a performance analysis of a hybrid wind and solar photovoltaic (PV) power system in selected regions in the Kingdom of Saudi Arabia (KSA). A detailed review on the potential of PV, wind energy and hybrid energy systems in KSA, to reason out the potential areas of study, has identified two sites to be selected to carry out the investigation. A small size power system driven by solar and wind energy has been modeled and simulated for a year period in the selected locations. Various configuration schemes of integrated solar and wind with storage devices for such a small capacity system have been proposed and their respective performances have been evaluated. Techno-economic aspects have been included. The simulation results indicated that the developed model shows a promising future of implementing the renewable energy system in the eastern and southern regions of the Kingdom. 
Highlights
The increasing demands of energy to meet human requirements through traditional energy production have led to an increase in carbon foot-print, global warming and earth temperature
By Using the Loss of power supply method for configuration of the hybrid system, the results show that for the option of 12h/day, the optimum system of 1-kW consisting of 2 wind turbines, 40 PV modules and 6 batteries with a minimum cost of energy of 0.624 $/kWh, while for the 24h/day option, the optimum system consists of 6 wind turbines, 66 PV modules and 16 batteries with a minimum cost of energy of 0.672
The results show that the wind and solar resources together with a diesel generator and battery system as a backup could be used for better reliability of rural electrification
Summary
The increasing demands of energy to meet human requirements through traditional energy production have led to an increase in carbon foot-print, global warming and earth temperature. This led to search for more environmentally friendly renewable energy sources such as solar and wind energy. There are many remote areas which cannot be feasibly connected to the main electric grid This requirement of energy at these places can be met through the use of hybrid solar PV and wind energy with or without a storage system. Wind is present everywhere and is the result of deferential temperature and pressure on Earth It is affected by the terrain and topography of a place.
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