The design and analysis of optimized grid-tied solar PV/fuel cell hybrid power system to meet the electric loadsof a commercial Building (Administration Building at the University of Sharjah) is presented in this paper. Thebuilding AC primary loads were determined from the building energy audit. The renewable resources in Sharjah, therenewable energy technology options, the system component costs, and the constraints were determined. Anintegrated modelling, simulation, optimization, and control strategies were used to test the performance and the costof the proposed grid-tied hybrid solar PV/fuel cell power system. The effect of the solar PV power capacity on theperformance (renewable fraction, cost of energy and greenhouse gas emissions) of the grid-tied solar PV system wasinvestigated. The results show that the solar grid-tied solar PV/Fuel Cell grid power system meets the daily andyearly electrical demand of the building with some of the excess power (from the solar PV and fuel cell) sold back tothe grid. The grid-tied solar PV/fuel cell hybrid power system offers a good penetration of renewable resources(40.4% renewable fraction), low levelized cost of energy ($71/MWh), and low carbon dioxide (CO2) emissions(133 kg OF CO2/MWh). The integration of renewable power systems with the utility grid is one of the best strategies and efficient methods to increase the penetration of renewable energy in the energy mix with affordable cost of energy,reduce the reliance on fossil fuels and reduce the environmental impacts (greenhouse gas emissions reductions).
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