Abstract
This paper presents the economic analysis of a gridtied rooftop solar PV system with a net meter for a residential building of a university campus. The proposed PV system shows the capability to fulfill the maximum energy demand by the different flats of the building and supply overplus power to the national grid which contributes to national energy management. The methodology involves collecting the geographical site information, available useable rooftop area, solar energy resources data, load estimation, and energy consumption profile, PV module technical data, PV array sizing, calculate the profit and payback period of the system. The profit and payback period indicate the financial viability of the rooftop solar PV system. This paper also represents the amount of Carbon dioxide (CO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> ) reduction while generating the same amount of electrical energy from conventional fossil fuel-based power plants. The reduction of CO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> helps to preserve the environment green by reducing the production of greenhouse gases (GHGs) and global warming. The result of this analysis shows the rooftop solar PV system is economically viable and helpful to a clean environment.
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