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Nugroho Tri Waskitho
Universitas Muhammadiyah Malang
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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Journal : Journal of Educational Engineering and Environment

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Analisis Techno-Economic Integrasi PLTS Atap pada UMKM Industri Pangan Menggunakan Simulasi PVsyst untuk Reduksi Biaya Energi Listrik Bagus Pramono; Nugroho Tri Waskitho
Journal of Educational Engineering and Environment Vol. 5 No. 1 (2026): Journal of Educational Engineering and Environment
Publisher : Fakultas Teknik Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/jeee.v5i1.7909

Abstract

The increasing electricity demand in Indonesia’s small and medium enterprise (SME) sector has encouraged the adoption of renewable energy technologies to improve energy efficiency and reduce operational costs. This study aims to evaluate the technical and economic feasibility of integrating a grid-connected rooftop photovoltaic (PV) system at Diva Bakery, a food-processing SME located in Banyuwangi, East Java, Indonesia. The system was designed using a rooftop maximum capacity scenario and simulated using PVsyst software, while economic feasibility was assessed through discounted cash flow analysis. The proposed system has an installed capacity of 4.95 kWp, consisting of 9 monocrystalline PV modules rated at 550 Wp and a 4 kW grid-tied inverter. Simulation results indicate that the system can generate 8,288.4 kWh/year, with a specific yield of 1,674 kWh/kWp/year and a performance ratio of 80.51%, demonstrating good technical performance under tropical climatic conditions. The largest system loss was attributed to temperature effects, highlighting the importance of proper ventilation and installation design. Economic analysis shows an annual electricity cost saving of IDR 14.09 million, with a Net Present Value (NPV) of IDR 58.4 million, an Internal Rate of Return (IRR) of 18.7%, a discounted payback period of 5.4 years, and a Levelized Cost of Energy (LCOE) of IDR 986/kWh, which is lower than the applicable PLN electricity tariff. In addition, the system is estimated to reduce carbon emissions by approximately 6.08 tons CO₂/year. The results confirm that rooftop PV implementation in food-processing SMEs is technically feasible, economically attractive, and environmentally beneficial, making it a promising strategy to enhance SME competitiveness and support Indonesia’s clean energy transition. Keywords: Rooftop photovoltaic, techno-economic analysis, SMEs, PVsyst, renewable energy.
Co-Authors Agus Abdul Halim Amir Syarifuddin Bagus Pramono Chatarina Umbul Wahyuni Dwi Tyaningsih Adriyanti Erda Risky Saputra Fathurizky, Yonny Febri Arif Cahyo Febri Arif Cahyo Wibowo Firia Ferlania, Dianda Aryntya Galit Gatut Prakosa Halim, Agus Abdul Harsanto Mursyid heri erwantoro timor Jabal Tarik Ibrahim Joko Triwanto Moch Maksum Mochammad Maksum Nugrahini, Anisa Faleri Hawa oktavian dwi suhermanto Pradipta, Abyan Rahawan, Prakasa Adi Dya Ramli Ramadhan Romadloni, Mokhamad Yusuf Rugayah Rugayah Rugayah Rugayah Sahid Susanto Sahid Susanto Saputra, Erda Risky SIGIT SUPADMO ARIF Sitti Rahma Ma'Mun Sri Rizki Soleha suhermanto, oktavian dwi Sunarto Sunarto Tatag Muttaqin timor, heri erwantoro Toha, Muhammad Verdani, Rani Wahidiah, Tria Wahono Wahono Wulandari, Aisyah Rizki Yonny Fathurizky