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All Journal Jurnal Sains dan Teknologi Bulletin of Electrical Engineering and Informatics Jurnal Teknik Elektro Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika PROtek : Jurnal Ilmiah Teknik Elektro Jurnal Pengabdian UntukMu NegeRI JET (Journal of Electrical Technology) Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Sinergitas PkM & CSR TESLA: Jurnal Teknik Elektro KAIBON ABHINAYA : JURNAL PENGABDIAN MASYARAKAT Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Unri Conference Series: Community Engagement Journal of Applied Materials and Technology IGKOJEI: Jurnal Pengabdian Masyarakat Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) SAINSTEK Sewagati BATOBO: Jurnal Pengabdian Kepada Masyarakat
Rosma, Iswadi Hasyim
Jurusan Teknik Elektro, Fakultas Teknik, Universitas Riau
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Journal : Bulletin of Electrical Engineering and Informatics

 1 
Optimizing tilt angle of the roof for the best performance ratio of rooftop photovoltaic Dani Ali, Nurhalim; Bahri, Syaiful; Ikhwan Siregar, Yusni; Suwondo, Suwondo; Anhar, Anhar; Lysbetti Marpaung, Noveri; Muhammad, Juandi; Hasyim Rosma, Iswadi
Bulletin of Electrical Engineering and Informatics Vol 14, No 6: December 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i6.11126

Abstract

Rooftop photovoltaic (RPV) systems are becoming increasingly popular as a source of renewable energy. One key factor that significantly affects the performance of RPV systems is the tilt angle of the solar panels. This study aims to determine the optimal tilt angle to maximize electricity production for the RPV system installed on academic building, Department of Electrical Engineering, Faculty of Engineering, University of Riau. The research method used is the PVSyst simulation. The simulation data input was used as daily weather for one year. In this study, variations in roof tilt angles of 5°, 10°, 15°, 20°, and 25° were examined. The results show that the optimal tilt angles for this location are 5° and 10°. At a 5° tilt angle, the RPV can generate 247,128 kWh per year with a performance ratio (PR) of 83%. And then at a 10° tilt angle, the system can generate 248,012 kWh per year with a PR of 82%. Based on the simulation results, other tilt angles also produced higher energy outputs but yielded lower PR values. This study provides practical recommendations for designing RPV systems in regions with similar weather conditions.
Co-Authors A. Ludfi Nur Kasan A. U. Lawan Abdul Gafar Arsaf Abdul Gafar Arsaf Abdul jalil, Feranita Abdullah, Azmi Abubakar Abdulkarim Abubakar Abdulkarim Adamu Halilu Jabire Adri, Alfian Agus Ika Putra Agus Ika Putra Agus Wahyudi Ahmad Jamaan Alfian Adri Ali, Nurhalim Dani Ali, Nurhalim Dani Ali Amanda Khaira Perdana Amir Hamzah Amir Hamzah Anhar Anhar Anisa Yulvi Azni Antonius Rajagukguk Antonius Rajagukguk, Antonius Ari Sandhyavitri Ari Sandhyavitri Arisman Adnan Arsaf, Abdul Gafar Azmi Abdullah Azriyenni Azhari Zakri Boy Ihsan Burhan, Hidayatul Catra Dani Ali, Nurhalim Dansarki Nanly Wesley Demiza, Khosfikra Desrizal, Herki Dian Yayan Sukma, Dian Yayan Dicky Rinaldi Dicky Yulvarizal Dohardo P H Simanullang Edy Ervianto Ery Safrianti Fahmi, Ziddan Fajar Restuhadi Fakhriyah, Salsabila Fathir Juliando Feblil Huda Feblil Huda Febrizal Ujang Fera Gustia Handayani Feranita Feranita Feranita Ferdian, Fhinta Syahila Ferdy Ultra Sony Firdaus Firdaus Firdaus Fri Murdiya, Fri Ginting, Yogie Rinaldy Hanifa, Muhammad Riski Harahap, Elco Maghfira Arfi Harahap, Muhammad Nasir Herki Desrizal Hidayatul Catra Burhan Hutabarat, Bijujent I.S. Madugu Ibrahim, Sajid Ichsan Maulana Putra Jamarrintan Jamarrintan Jikro Pikri Juandi Juandi Linna Oktaviana Sari Lysbetti Marpaung, Noveri Mahindra, Syaputra Dwi Marpaung, Horas Muhammad Riski Hanifa Muhammad, Satyo N. Nazaruddin Nasir Faruk Noveri Lysbetti M Nurhalim Nurhalim Dani Ali Nurhalim Nurhalim, Nurhalim P.U. Okorie Putra, Randy Ramadhan, Roza Syahputra Ramandana, Ranto Randy Putra Ranto Ramandana Rinaldi, Dicky Romy Romy Rosiki, Muhammad Habib Rusdi Masri S, Rocky Samuel Sakti Hutabarat Sani Saminu SARE, SATRIA Satibi, Syawal Siregar, M. Ikhsan Sobhy Abdelkader Soewignjo Agus Nugroho Solihin, Ikhram Minata Suwitno Suwitno Suwitno, Suwitno Suwitno1, Suwitno Suwondo Suwondo SYAIFUL BAHRI Tsabitul Khair Valendino, Muhammad Wallsman Lamtota Nainggolan Winanda, Muhammad Valdi Wiwik Handayani Yoga Pratama Yusni Ikhwan Siregar