Evaluation of Technical Potential and Analysis of Investment Cost-Effectiveness of Rooftop Photovoltaic System Case Study: Faculty of Engineering, Bangkok Thonburi University
Keywords:
Photovoltaic Systems, Technical potential, Economic AnalysisAbstract
This article presents a technical potential assessment and analysis of the investment cost-effectiveness of installing a solar rooftop power generation system. The research framework comprises three parts; the first is analyzing the physical potential of installing rooftop solar power generation systems. The second is exploring the technical potential, and the third is economic potential analysis—the energy simulation using the PVSYST program. The results of the study showed that electricity generation from the installation of solar power generation systems on the roof of the Faculty of Engineering building. Able to generate total electrical energy of 199.06 MWh/Year with the assumption under the financial calculation of a discount rate of 6.5% throughout the 25-year lifespan of solar cell installation and replacement of the inverter every ten years. From the economic analyses, the project has a positive net present value—return on investment in rooftop solar PV installations Faculty of Engineering Building Bangkok Thonburi University. The payback period is 5.85 years, the internal rate of return is 20%, and it can be concluded that the installation of solar power generation systems on the roof of the Faculty of Engineering building at Bangkok Thonburi University There is possibility and profitability for entrepreneurs.
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