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Geomatics Applications in Rooftop Solar PV Potential Mapping: A Case Study at The Papua New Guinea University of Technology
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Author(s): Jeremiah Renagi (Papua New Guinea University of Technology, Papua New Guinea), Tingneyuc Sekac (Papua New Guinea University of Technology, Papua New Guinea)and Sujoy Kumar Jana (Papua New Guinea University of Technology, Papua New Guinea)
Copyright: 2027
Pages: 26
Source title:
GIS Applications for Enhancing Sustainable Operational Performance of Manufacturing Industries
Source Author(s)/Editor(s): Kamalakanta Muduli (Papua New Guinea University of Technology, Papua New Guinea), Sujoy Kumar Jana (Papua New Guinea University of Technology, Papua New Guinea), Rashmi Prava Das (CV Raman Global University, Odisha, India)and Indrajit Pal (Asian Institute of Technology, Thailand)
DOI: 10.4018/979-8-3373-7941-8.ch005
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Abstract
PNG is rapidly embracing solar PV technology, especially in rural and peri urban areas, aligning with the government's ambitious target of achieving 100% renewable electrification by 2050. This study investigates rooftop solar potential at the PNGUoT using UAV photogrammetry integrated with GIS. The analysis generated rooftop solar energy maps, visually supporting quantitative estimations. Results revealed that three sampled rooftops could produce 90.32 MWh annually, far exceeding their combined demand of 21.49 MWh, leaving 68.83 MWh surplus for storage or export. This demonstrates that rooftop PV can fully meet residential electricity needs while generating excess energy. The study highlights UAV photogrammetry and GIS as cost efficient, reliable, and scalable tools for suburban scale solar assessment, offering a replicable model for campus wide and national renewable energy deployment. It underscores the importance of renewable energy awareness and knowledge dissemination to drive PNG's transition from fossil fuels, supporting policy, planning, and the 2050 electrification vision.
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