1.png)
Study of Green Hydrogen Production from Excess Electricity Off-Grid Rooftop PV, FT-02, Universitas Tidar
Sari
Abstrak
Pemanfaatan PLTS atap berpotensi menghasilkan excess electricity ketika produksi energi surya melebihi kebutuhan beban, yang berpeluang dimanfaatkan untuk produksi green hydrogen melalui elektrolisis. Penelitian ini mengkaji potensi produksi green hydrogen berbasis excess electricity dari sistem PLTS atap di wilayah Magelang menggunakan pendekatan analitis berbasis data simulasi sekunder. Data utama diperoleh dari simulasi HOMER Pro pada sistem PLTS off-grid berkapasitas 14,6 kWp di Gedung FT02 Universitas Tidar. Potensi produksi hidrogen dihitung menggunakan pendekatan specific energy consumption (SEC) untuk tiga skenario teknologi: PEM electrolyzer, Alkaline Water Electrolyzer (AWE), dan HHO generator. Hasil analisis menunjukkan sistem PLTS objek kajian menghasilkan excess electricity sebesar 13.841 kWh/tahun (67,1% dari total produksi energi), yang berpotensi menghasilkan 240,71–287,75 kg H₂/tahun (PEM), 259,19–276,82 kg H₂/tahun (AWE), dan 153,79–238,64 kg H₂/tahun (HHO). Proyeksi indikatif pada enam lokasi PLTS atap di wilayah Magelang menunjukkan potensi produksi green hydrogen total sebesar 3.099–3.707 kg H₂/tahun untuk skenario PEM.
Kata kunci: green hydrogen, excess electricity, plts atap, elektrolisis, magelang.
Abstract
Rooftop PV systems can generate excess electricity when solar production exceeds load demand, offering an opportunity for green hydrogen production through electrolysis. This study evaluates the potential green hydrogen production from excess electricity of a rooftop off-grid PV system in Magelang, using secondary simulation data. The main dataset was obtained from a HOMER Pro simulation of a 14.6 kWp off-grid rooftop PV system at the FT02 Building, Universitas Tidar. Hydrogen production potential was calculated using the specific energy consumption (SEC) approach for three technology scenarios: PEM electrolyzer, Alkaline Water Electrolyzer (AWE), and HHO generator. Results show the system produces 13,841 kWh/year of excess electricity (67.1% of total energy production), potentially yielding 240.71–287.75 kg H₂/year (PEM), 259.19–276.82 kg H₂/year (AWE), and 153.79–238.64 kg H₂/year (HHO). Indicative projections for six rooftop PV locations in Magelang show a total green hydrogen potential of 3,099–3,707 kg H₂/year under the PEM scenario.
Keywords: green hydrogen, excess electricity, rooftop solar PV, water electrolysis, magelang
Kata Kunci
Teks Lengkap:
PDFReferensi
International Energy Agency (IEA), “World Energy Outlook 2023,” 2023.
Pemerintah Indonesia, Peraturan Presiden Republik Indonesia Nomor 22 Tahun 2017 Tentang Rencana Umum Energi Nasional. Indonesia, 2017.
S. Arbye, A. Aziizudin, A. Purnomo, D. A. Halim, C. W. Yogiswara, and S. D. H. Putra, “Analysis of Rooftop Solar Power Plant Development Potential in Magelang City : A Case Study of Office Buildings , Universities , And Hotels,” J. Renew. Energy Mech., vol. 8, no. 01, pp. 10–26, 2025, doi: 10.25299/rem.2025.vol8(01).20775.
PLN UID Jawa Tengah & DIY, “Paparan PLTS Atap di Jawa Tengah & DIY,” Central Java Solar Day, 2021.
N. Hayati, A. S, A. Aziizudin, D. -, and T. E. S. Ceren, “Analysis of Energy Saving Potential Through Rooftop PV System Implementation at Atria Hotel, Magelang City,” Widyakala J. J. Pembang. Jaya Univ., vol. 12, no. 2, p. 189, 2025, doi: 10.36262/widyakala.v12i2.1510.
A. S and F. Adriyanto, “Analysis of a solar photovoltaic system to support the energy requirements of liquid crystal display (LCD) projectors in the Faculty of Engineering Building 2, Universitas Tidar,” BALANGA J. Pendidik. Teknol. dan Kejuru., vol. 13, no. 2 Juli-Desember 2025, pp. 1–5, 2025, doi: 10.37304/balanga. v13i1.17341.
Kementrian Energi dan Sumber Daya Mineral Indonesia, Peraturan Menteri Energi dan Sumber Daya Mineral Nomor 2 Tahun 2024 tentang Pembangkit Listrik Tenaga Surya Atap Yang Terhubung Pada Jaringan Tenaga Listrik Pemegang Izin Usaha Penyediaan Tenaga Listrik Untuk Kepentingan Umum. Indonesia, 2024.
A. S. Irshad, A. Hilali, A. B. Ahmadullah, A. H. Zaray, and N. M. Muslih, “Techno-economic benchmarking of green hydrogen production using fixed and tracking PV systems: a PVsyst–MATLAB integrated analysis,” Sci. Rep., vol. 16, no. 1, p. 15620, Apr. 2026, doi: 10.1038/s41598-026-46077-w.
M. A. Vaziri Rad, A. Kasaeian, X. Niu, K. Zhang, and O. Mahian, “Excess electricity problem in off-grid hybrid renewable energy systems: A comprehensive review from challenges to prevalent solutions,” Renew. Energy, vol. 212, no. September 2022, pp. 538–560, 2023, doi: 10.1016/j.renene.2023.05.073.
A. A. Kurniawan, I. Nawawi, and B. Fatkhurrozi, “Perancangan PLTS Atap On-Grid Rumah Tinggal Di Kota Magelang Dengan Kapasitas 0,846 kWP,” Elektr. Borneo, vol. 9, no. 2, pp. 44–48, 2023, doi: 10.35334/eb.v9i2.4422.
M. Amrullah, D. Pravitasari, and S. Nisworo, “Potensi Pengurangan Emisi Gas Kabron dengan Perencanaan PLTS Atap pada Gedung Fakultas Teknik 03 Untidar,” J. Ilm. Multidisiplin, vol. 2, no. 6, pp. 2501–2507, 2023.
T. A. Ajiwiguna and M. R. Kirom, “Uninterrupted Electricity Supply using Off-Grid Solar PV Systems for Remote Areas,” Int. J. Technol., vol. 15, no. 5, p. 1561, Sep. 2024, doi: 10.14716/ijtech.v15i5.6089.
S. Eka Putri, A. H. Yuwono, and E. A. Setiawan, “Techno-Economic Analysis of On-Grid Rooftop PV Systems Integrated with BESS for Meeting the Energy Needs of Residential EV Home Charging Customers in Jakarta,” Int. J. Recent Technol. Appl. Sci., vol. 7, no. 2, pp. 71–91, 2025, doi: 10.36079/lamintang.ijortas-0702.851.
A. S, D. A. Halim, A. Riawan, and Z. ’Ayyasy, “Analisis Penyediaan Air Bersih Berkelanjutan di Kota Magelang Melalui Pemanfaatan Energi Surya Sampai Dengan Tahun 2033,” Din. J. Tek. Mesin, vol. 10, no. 1, pp. 12–22, Jun. 2025, doi: 10.33387/dinamik.v10i1.9939.
A. Ibrahim, “Perencanaan teknis dan ekonomis rooftop solar panel sebagai energi alternatif pada gedung FT1 Untidar,” Fakultas Teknik, Universitas Tidar, Magelang, 2023.
K. N. Amini, M. K. Ridwan, and W. Wilopo, “Optimization and Feasibility Analysis of Rooftop Solar Photovoltaic (PV) Power Generation System Design,” IOP Conf. Ser. Earth Environ. Sci., vol. 1381, no. 1, p. 012021, Aug. 2024, doi: 10.1088/1755-1315/1381/1/012021.
M. Chatenet et al., “Water electrolysis: from textbook knowledge to the latest scientific strategies and industrial developments,” Chem. Soc. Rev., vol. 51, no. 11, pp. 4583–4762, 2022, doi: 10.1039/D0CS01079K.
A. Allouhi, “Management of photovoltaic excess electricity generation via the power to hydrogen concept: A year-round dynamic assessment using Artificial Neural Networks,” Int. J. Hydrogen Energy, vol. 45, no. 41, pp. 21024–21039, Aug. 2020, doi: 10.1016/j.ijhydene.2020.05.262.
S. Kim, J. Park, and J. H. Lee, “Multi-technology co-optimization approach for sustainable hydrogen and electricity supply chains considering variability and demand scale,” arXiv. 2024, doi: 10.48550/arXiv.2406.00669.
A. M. Mousa, H. A. A. Sayed, K. A. M. Ali, N. S. Elkaoud, and W. A. E. Mahmoud, “Energy-conversion efficiency for producing oxy-hydrogen gas using a simple generator based on water electrolysis,” Sci. Rep., vol. 14, no. 1, p. 25312, Oct. 2024, doi: 10.1038/s41598-024-73534-1.
HOMER Energy, “HOMER Pro 3.15 Documentation: Electrolyzer,” 2023. https://www.homerenergy.com/products/pro/docs/3.15/electrolyzer.html.
H. Munther, Q. Hassan, A. A. Khadom, and H. B. Mahood, “Evaluating the techno-economic potential of large-scale green hydrogen production via solar, wind, and hybrid energy systems utilizing PEM and alkaline electrolyzers,” Unconv. Resour., vol. 5, no. July 2024, p. 100122, Jan. 2025, doi: 10.1016/j.uncres.2024.100122.
K. Al Saadi and A. Ghosh, “Investigating the integration of floating photovoltaics (FPV) technology with hydrogen (H2) energy for electricity production for domestic application in Oman,” Int. J. Hydrogen Energy, vol. 80, no. July, pp. 1151–1163, Aug. 2024, doi: 10.1016/j.ijhydene.2024.07.260.
Kementerian Energi dan Sumber Daya Mineral Republik Indonesia, “Peta Jalan Hidrogen dan Amonia Nasional (RHAN) 2025–2060,” Kementerian Energi dan Sumber Daya Mineral Republik Indonesia, Jakarta, 2025.
Kementerian Energi dan Sumber Daya Mineral Republik Indonesia, “Sejalan dengan Program Asta Cita, Kementerian ESDM Kebut Pengembangan Ekosistem Hidrogen,” Kementerian Energi dan Sumber Daya Mineral Republik Indonesia. 2026, [Online]. Available: https://www.esdm.go.id/en/media-center/news-archives/sejalan-dengan-program-asta-cita-kementerian-esdm-kebut-pengembangan-ekosistem-hidrogen.
DOI: https://doi.org/10.26760/jrh.v10i2.182-198
Refbacks
- Saat ini tidak ada refbacks.
Alamat redaksi dan tata usaha:
Lembaga Penelitian dan Pengabdian Masyarakat Institut Teknologi Nasional
Fakultas, gedung 14 Lantai 3
Jl. PHH. Mustapa 23 Bandung 40124
Tlp. 022-7272215 Pes. 159, Fax. 022-7202892,
e-mail: hrekayasa@itenas.ac.id
Jurnal ini terlisensi oleh Creative Commons Attribution-ShareAlike 4.0 International License.
