Techno-economic energy analysis of wind/solar hybrid system: Case study for western coastal area of Saudi Arabia

Highlights

The potential of hybrid wind/solar energy system in Saudi Arabia was analyzed.

Emphasis was placed on the energy production and energy cost of the hybrid system.

The analysis also focused on the unmet electric load and excess electricity.

The wind levelized cost of energy is more expensive than the solar energy cost.

Abstract

The potential of hybrid wind/solar energy system in the west coast area of Saudi Arabia is analyzed in this paper. The investigation puts emphasis on the energy production and cost of energy from both wind turbine and photovoltaic (PV) in the hybrid system. Unmet electric load and excess electricity are taken into consideration. The annual average solar irradiation and wind speed considered in this study are 5.95 kWh/m2/day and 3.53 m/s, respectively. MATLAB and HOMER software are used to perform the technical and economic analyses of the hybrid system. As indicated from the simulation results, the PV array shares more electricity production than the wind turbine generator if both wind turbine and PV array are utilized in the wind/solar hybrid system with the same sizes. The wind levelized cost of energy is $0.149/kWh, which is more expensive than the solar energy of $0.0637/kWh. The energy cost of the hybrid system is dominated by battery and wind turbine expenses.

Keywords

  • Techno-economic analysis;
  • Hybrid wind/solar system;
  • Excess electricity;
  • Energy cost

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