Jurnal Energi Baru dan Terbarukan (p-ISSN: 2809-5456 and e-ISSN: 2722-6719) is a peer-reviewed scientific journal published by the Master Program of Energy, School of Postgraduate Studies, Diponegoro University, Semarang, Indonesia. The journal serves as an academic platform for the dissemination of high-quality research findings, critical reviews, and scholarly discussions contributed by researchers, academicians, professionals, and practitioners in the field of energy. It publishes original works in the form of research articles, review papers, and short communications that address both theoretical and applied aspects of energy studies. Jurnal Energi Baru dan Terbarukan focuses on advancing knowledge and promoting innovation in renewable and sustainable energy and their development, implementation, and impact on society and industry. Manuscripts may be written in Bahasa Indonesia or English. The Jurnal is publishing three issues per year (March, July, and October). The journal welcomes submissions covering, but not limited to, the following topics: (1) Energy Sources, Storage, and Distribution; (2) Energy Management, Policy, and Sustainability; (3) Energy Modeling and Analysis. By publishing rigorous and impactful research, Jurnal Energi Baru dan Terbarukan aims to contribute to the global discourse on energy transition and sustainable development.
Program Studi Magister Energi, Sekolah Pascasarjana, Universitas Diponegoro, Indonesia
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Towards Bali's Energy Independence: Potential and Challenges in Developing Renewable Energy Power Plants
The use of electricity on the island of Bali currently still relies heavily on supply from the island of Java, with most of the electricity coming from fossil-based power plants. In reality, Bali has quite abundant potential for new and renewable energy (NRE) both on land and at sea. This research aims to comprehensively review the technical potential of various NRE sources in Bali along with the challenges of their implementation, as well as to formulate scenarios for the development of integrated power plants toward energy independence. Based on a synthesis of recent literature studies and policy data, Bali has a technical NRE potential of up to 22 GW, with solar power being the most strategic short term option through the development of rooftop solar power plants of up to 2.7 GW by 2034. However, this review also identifies that in reality, achieving this potential is still far from the expected target, as the distribution of new NRE use only reached 1.48% in 2023. The critical challenges identified include socio-cultural conflicts such as the geothermal project in Bedugul, past failures of communal wind projects, inconsistent policies that still prioritize gas-fired power plants, as well as regulatory barriers that limit private sector investment. As a solution, a scenario is proposed for the development of integrated power plants in five strategic locations in Bali, along with policy recommendations to accelerate the energy transition, including reforms of electricity trade regulations, incentives for renewable energy investments, and the resolution of socio-cultural conflicts through a participatory multi-stakeholder approach.
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Uji Banding Kualitas BBM Pertamax dengan BBM E5 Beras Ketan Putih, Beras Biasa, dan Nira Aren pada Kendaraan Bermotor
Abstract : Penelitian ini dilatar belakangi oleh tingginya harga bahan bakar minyak pada kendaraan bermotor, khususnya di kecamatan Cigemblong, kabupaten Lebak, provinsi Banten. Melalui metode survei dan observasi, penelitian ini bertujuan untuk menelaah proses pembuatan alat distilasi sederhana untuk mengolah bioetanol sebagai upaya mendukung pemerintah dalam mempersiapkan penggunaan BBM E5 ramah lingkungan dan terjangkau sesuai dengan tujuan Sustainable Development Goals/SDGs. Data diolah dan dianalisis secara kuantitatif dan deskriptif. Alat distilasi bioetanol dihubungkan dengan selang yang digunakan sebagai tempat penguapan, kondensasi, dan tempat saluran produk bietanol yang kemudian ditampung pada wadah. Bahan utama yang digunakan adalah beras ketan putih, beras biasa, dan nira aren yang diperoleh dari petani kecamatan Cigemblong. Bahan baku tersebut diolah melalui proses hidrolisis, fermentasi, dan distilasi kemudian masuk ke tahap uji coba produk pada kendaraan motor. Terdapat 8 uji yaitu uji densitas, kalor pembakaran, nyala api, emisi gas buang CO, CO2, Sox, Nox dan uji konsumsi bahan bakar lapangan. Berdasarkan kedelapan uji tersebut, diperoleh data kuantitatif yang dinyatakan dengan akumulasi poin kualitas terbaik pada BBM E5 beras ketan putih dengan perolehan 26 poin, kemudian BBM E5 beras biasa dan nira aren dengan poin 24, sedangkan BBM pertamax hanya memiliki akumulasi 19 poin. Berdasarkan hasil tersebut, maka diperoleh kesimpulan bahwa BBM E5 produk penelitian ini layak untuk menjadi bahan bakar alternatif ramah lingkungan pada kendaraan bermotor. Target penelitian ini adalah dapat memberikan informasi ilmiah sehingga masyarakat sekitar tempat penelitian dapat mengadopsi prosedur kerja secara mandiri, sehingga dapat mengatasi masalah krusial di bidang energi, khususnya di wilayah Cigemblong, Lebak, Banten.
Electricity Demand Forecasting Using a Hybrid ARIMA and Ridge Regression Model
Effective energy system planning requires energy demand projections that are reliable, stable, and easy to implement, particularly under conditions of limited historical data and computational resources. However, many existing artificial intelligence–based forecasting approaches are highly complex, difficult to interpret, and time-consuming to develop, which reduces their practicality for students and researchers who aim to focus on solution-oriented energy system analysis. This paper proposes a simple yet reliable energy demand projection framework by combining statistical time series modeling and machine learning methods, namely Auto Regressive Integrated Moving Average (ARIMA) and Ridge Regression. The ARIMA model is employed to capture the temporal dynamics of energy consumption and to construct a business-as-usual (BAU) scenario based on historical trends. The ARIMA projections are subsequently used as inputs for the Ridge Regression model, which captures the multivariate relationships between energy demand and correlated socio-economic factors. The results indicate that ARIMA effectively represents historical consumption patterns but tends to produce conservative projections. In contrast, Ridge Regression provides more stable and robust estimates under conditions of high multicollinearity and limited sample size. The integration of these two methods results in an efficient, interpretable, and easily reproducible modeling framework. The proposed approach is intended to help students and researchers reduce the time required for energy demand forecasting, allowing them to focus more on solution development and sustainable energy system planning.
Pengaruh Bentuk Lubang Udara Sekunder Pada Kompor Gasifikasi Biomassa Sekam Padi Pembakaran
Sekam padi merupakan limbah pertanian yang melimpah di Indonesia, namun pemanfaatannya sebagai sumber energi masih terbatas. Salah satu teknologi yang potensial untuk mengonversi sekam padi menjadi energi adalah kompor gasifikasi biomassa. Teknologi ini mampu menghasilkan panas yang lebih bersih dan efisien dibandingkan dengan pembakaran langsung. Namun, penggunaan sekam padi dalam kompor gasifikasi sering mengalami kendala dalam hal efisiensi pembakaran dan emisi gas buang yang belum optimal. Penelitian ini bertujuan untuk menganalisis pengaruh bentuk lubang udara sekunder serta modifikasi sistem distribusi aliran udara pada kompor gasifikasi biomassa terhadap performa pembakaran sekam padi. Penelitian ini menggunakan metode eksperimental dengan tahapan utama meliputi perancangan, fabrikasi, dan pengujian kompor gasifikasi yang dimodifikasi pada bagian lubang udara sekunder dan sistem distribusi aliran udara. Desain lubang udara sekunder yang bervariasi dan sistem distribusi yang dioptimalkan akan diuji melalui metode Water Boiling Test (WBT) untuk mengevaluasi efisiensi thermal dan tingkat konsumsi bahan bakar.
Perancangan Teknis Pembangkit Listrik Tenaga Mikro Hidro Pada Irigasi Bendungan Sedau
Micro-Hydro Power Plant (MHPP) is a promising renewable energy solution to support electricity availability in rural areas with limited access to the national grid. This study was conducted in Sedau Village, Narmada District, West Lombok Regency, with the objective of planning an MHPP utilizing the irrigation channel of the Sedau Dam. The research method involved secondary data collection of river discharge records over the last ten years from the Nusa Tenggara I River Basin Agency, combined with primary field measurements of discharge and effective head. The analysis showed a dependable discharge (Q50) of 0.64 m³/s with an effective head of 11 m. The technical design included the construction of a forebay tank, penstock, selection of an S-type Kaplan turbine, mechanical transmission using a belt drive, and a three-phase induction generator Stamford N125G4. The calculations resulted in an installed capacity of 103.03 kW and an estimated annual energy production of 602.96 MWh. The implementation of this MHPP is expected to enhance local energy independence, reduce reliance on fossil fuels, and support regional economic development.
Pemetaan Aplikasi Hidrogen dan Kesenjangan Infrastruktur pada Sistem Energi Indonesia: Scoping Review Lintas Sektor
Hidrogen hijau semakin mendapat perhatian di Indonesia sebagai solusi dekarbonisasi bagi sektor-sektor yang sulit dielektrifikasi secara langsung, seperti panas proses industri, bahan baku kimia, angkutan berat, dan penyimpanan energi jangka panjang. PP No. 40/2025 tentang Kebijakan Energi Nasional beserta Peta Jalan Hidrogen dan Amonia Nasional (RHAN) 2025–2060 telah menetapkan 215 rencana aksi yang terbagi dalam tiga fase implementasi. Meskipun demikian, keberhasilan ekosistem hidrogen tidak dapat dinilai hanya dari kapasitas produksi saja; kesiapan seluruh rantai nilai, mulai dari elektroliser di hulu hingga pengguna akhir di hilir, justru menjadi faktor penentu utama. Melalui pendekatan scoping review, studi ini memetakan peluang aplikasi hidrogen di sektor industri, transportasi, dan kelistrikan, sekaligus mengidentifikasi hambatan infrastruktur pada masing-masing sektor. Sumber yang ditelaah mencakup artikel jurnal, laporan lembaga, dan dokumen kebijakan. Hasil kajian menunjukkan bahwa industri yang selama ini sudah menggunakan hidrogen, yaitu amonia dan kilang minyak, merupakan sektor yang paling siap untuk bertransisi melalui substitusi secara bertahap. Sebaliknya, sektor transportasi dan kelistrikan masih membutuhkan dukungan infrastruktur yang lebih luas, meliputi stasiun pengisian hidrogen, terminal pelabuhan, fasilitas penyimpanan, standar keselamatan, serta kejelasan skema offtake. Reformasi tata kelola karbon melalui Perpres 110/2025 dan penetapan kode KBLI khusus hidrogen turut memperkuat kelayakan investasi. Peta kesenjangan yang dihasilkan diharapkan dapat menjadi acuan bagi penentuan prioritas riset, alokasi investasi, dan arah kebijakan ke depan.