Study of Solar Photovoltaic Potential and Carbon Mitigation in University Buildings

Djoko Adi Widodo, Nur Iksan, Riana Defi Mahadji Putri, Anggraini Mulwinda

Abstract


Capturing solar radiation through photovoltaic deployment on the rooftop of buildings does not only produce clean energy, but it also plays an important role in mitigating carbon dioxide emissions. Semarang State University in Indonesia expanding solar energy until 2021 has installed 230kWp rooftop solar photovoltaic in 8 buildings. Gradually, the rooftop photovoltaic portfolio is being improved to realize the vision of green campus. It is important to conduct quantitative assessment of the power generation potential of rooftop photovoltaic to formulate a policy on the effective electricity production integration. The objective of this study is to predict the potential for rooftop solar photovoltaic exploration and the potential for mitigating carbon dioxide emissions. The method used was the combination of a deep learning approach and aerial photography of an unmanned aerial vehicle. It was found that from the 40 tallest building units, the available roof area was approximately 26,645.0m2. Average monthly irradiation was 5.63kWh/m2/day. Energy potential per year: 8,671.1GWh (mSi); 7,234.4GWh (p-Si); 4,427GWh (a-Si); and 7,414.3GWh (CdTe). Based on local emission factors, the mitigation potential per year was: 7,199,468.9 tons of CO2 (mSi); 6,000,536.3 tons of CO2 (p-Si); 3,674,417.7 tons of CO2 (a-Si), and 6,153,902.9 tons of CO2 (CdTe). The findings of the study are dedicated to university management in order to design and manage roof photovoltaic systems reliably and economically.

Keywords


Renewable Energy; solar irradiation; deep learning; unmanned aerial vehicle.

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DOI (PDF): https://doi.org/10.20508/ijrer.v12i4.13575.g8566

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