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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Mechatronics, Electrical Power, and Vehicular Technology Jurnal Ketahanan Nasional Sinergi JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY VOX EDUKASI: Jurnal Ilmiah Ilmu Pendidikan Journal of Renewable Energy, Electrical, and Computer Engineering Jurnal Informatika Teknologi dan Sains (Jinteks) Heca Journal of Applied Sciences Leuser Journal of Environmental Studies Journal of Educational Management and Learning Grimsa Journal of Science Engineering and Technology Jurnal Sains & Teknologi Fakultas Teknik Universitas Darma Persada
Erkata Yandri
Universitas Darma Persada
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Medicine & Pharmacology Physics Other

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A Energy Efficiency Strategy in Manufacturing Industry Through Implementation of Automation Technology Gede Arya Rachman; Rifki Saiful; Ratna Ariati; Syukri M. Nur; Erkata Yandri
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 9 No. 1 (2025): June 2025 Edition
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v9i1.13998

Abstract

The implementation of automation technology in the manufacturing industry has become a critical solution in facing global energy efficiency challenges. Amid increasing demands for reduced energy consumption and carbon emissions, the manufacturing sector is required to adopt innovative solutions in their operations. This study aims to analyze and evaluate energy efficiency strategies through the application of automation technology in the manufacturing sector, with a focus on optimizing energy consumption and increasing productivity. The research methodology uses both quantitative and qualitative approaches, including analysis of historical energy consumption data from 50 manufacturing facilities that have implemented automation systems, in-depth interviews with industry experts, and comparative evaluation of various automation technologies available in the market. The results show that the implementation of automation technology can reduce energy consumption by an average of 27.5% in the first 12 months, with an increase in production efficiency by 35%. Further analysis reveals that automation systems based on the Internet of Things (IoT) and artificial intelligence provide optimal results in energy management, with an average return on investment of 2.3 years. The integration of smart sensors and automated control systems has proven to be effective in optimizing energy use in production processes, predictive maintenance, and peak load management. The study also identified key challenges in implementation, including high initial investment costs, personnel training needs, and the complexity of system integration. The study found that key factors for successful implementation include strategic planning, top management support, and a comprehensive training program. In conclusion, the application of automation technology in the manufacturing industry is an effective strategy to achieve long-term energy efficiency, with the potential for significant savings and increased industrial competitiveness.
Utilization Strategy of Discharged Seawater from Power Plant Cooling System to Reduce Energy Consumption: A Process Engineering Approach Amaral, Clizardo; Yandri, Erkata; Ludji, Omrie; Sidharta, Rendy; Timba, Ayub; Ariati, Ratna
Heca Journal of Applied Sciences Vol. 3 No. 2 (2025): September 2025
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/hjas.v3i2.309

Abstract

Steam power plants are among the primary sources of electricity generation; however, they face significant challenges in terms of energy efficiency and environmental impact due to their high consumption of coal. Innovative strategies are required to reduce emissions and improve system efficiency. One potential approach is the reutilization of condenser cooling water to drive a hydropower turbine before being discharged into the sea. By harnessing the head and flow rate of this water, the kinetic energy from the waste stream can be converted into additional electricity. This study examines a process engineering approach to integrating a hydropower generation system with a steam power plant, encompassing technical analysis, energy efficiency, as well as economic and environmental impacts. Simulation results indicate that the system is capable of generating between 14.2 and 49.5 kW of power, depending on operating conditions and water availability. The electricity produced can be utilized for internal Steam power plant needs, such as cooling pumps and lighting, thereby reducing dependence on coal combustion. This strategy not only improves energy efficiency and reduces operational costs but also supports environmental conservation and the long-term sustainability of power plant operations.
Advances in building energy management systems (BEMS): A comprehensive review with bibliometric analysis and future research directions Sihombing, Very; Yandri, Erkata; Pramono, Kukuh Priyo; Ariati, Ratna
Journal of Mechatronics, Electrical Power, and Vehicular Technology Vol 16, No 1 (2025)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/j.mev.2025.961

Abstract

Building energy management systems (BEMS) are essential for enhancing energy efficiency and sustainability in buildings. This literature review analyzes BEMS research trends from 1982 to 2024, utilizing bibliometric analysis based on a dataset from Scopus. The study identifies key developments that influence all publications and emerging research topics in the field. While BEMS offers significant potential for real-time energy monitoring and control, challenges remain, including the need for standard protocols, improved cybersecurity, and cost-effective solutions for small buildings. This research highlights the importance of addressing these challenges to foster wider adoption of BEMS technology and contribute to a sustainable energy future. The findings aim to guide future research directions and enhance the implementation of BEMS in various building types.
Design and evaluation of a TEG-PV hybrid energy system for sustainable offshore oil and gas operations using PVsyst simulation Hilmi, Erik; Yandri, Erkata; Uhanto, Uhanto; Saiful, Rifki; Lodewijk, Dewi Putriani Yogosara; Ariati, Ratna
SINERGI Vol 29, No 3 (2025)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2025.3.007

Abstract

The rising demand for sustainable offshore oil and gas operations has accelerated the need for efficient, low-emission energy systems. Conventional fossil fuel-based systems significantly contribute to greenhouse gas emissions, underscoring the need for innovative alternatives. This study proposes and evaluates a hybrid energy system that integrates thermoelectric generators (TEGs) and photovoltaic (PV) panels to enhance energy efficiency, reduce emissions, and improve the sustainability of offshore operations. The system design utilizes both manual calculations and simulations, employing PVsyst software, to evaluate performance metrics. Results show that the TEG + PV hybrid system improves energy efficiency and reduces carbon emissions by approximately 40% compared to traditional fossil fuel systems. TEGs utilize waste heat from natural gas combustion, while PV panels capture solar energy, creating a synergistic effect that significantly reduces environmental impact. This hybrid configuration also aligns with emission reduction regulations in the oil and gas sector. Beyond environmental benefits, the hybrid system offers economic advantages. Fuel consumption and operational costs are notably reduced, with total savings in capital and operational expenditures (CAPEX and OPEX) reaching IDR 2.53 billion. These savings demonstrate the system’s financial viability and support its adoption in real-world offshore applications. In conclusion, the integration of TEG and PV technologies into a hybrid energy system offers a practical and sustainable solution for offshore oil and gas operations. The system achieves emission reduction targets, enhances operational efficiency, and delivers cost savings, thereby supporting the industry's transition toward more environmentally responsible energy practices.
From Waste to Resource: Sustainable Recycling Strategies for Monocrystalline Solar Panels in Indonesia Faizin, Muhammad Ihsan Nur; Riyanto, Andry; Heriyanto, Hernawan; Utami, Mei Budi; Ludji, Omrie; Yandri, Erkata
Leuser Journal of Environmental Studies Vol. 3 No. 2 (2025): October 2025
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/ljes.v3i2.340

Abstract

The rapid growth of photovoltaic (PV) installations in Indonesia, projected to exceed 8.5 GW by 2030, is expected to generate over 1 million tons of solar panel waste by 2050, highlighting the urgent need for end-of-life (EoL) management. This study evaluates the environmental impacts of monocrystalline PV panels and examines suitable recycling strategies for Indonesia. A Life Cycle Assessment (LCA) framework compares landfill and recycling scenarios using Global Warming Potential (GWP) and Cumulative Energy Demand (CED), supported by sensitivity analysis. Results show that aluminum recycling can reduce GWP by up to 83% and CED by 95% compared to primary production. Mechanical recycling and direct reuse are the most feasible options given local market conditions and technological readiness, while advanced recycling requires additional support. Extending panel lifespan and further improving efficiency further reduce emissions and accelerate carbon payback. The study emphasizes the need for a national PV waste management framework that integrates recycling with circular economic strategies. Policy measures such as Extended Producer Responsibility and fiscal incentives, combined with cross-sector collaboration, are crucial to ensuring a sustainable, low-carbon solar energy transition in Indonesia.  
Structural Feasibility Assessment of an Adjustable-Height Photovoltaic Mounting System Using Conceptual Design and Finite Element Simulation Faizin, Muhammad Ihsan Nur; Yandri, Erkata
Heca Journal of Applied Sciences Vol. 4 No. 1 (2026): March 2026
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/hjas.v4i1.383

Abstract

The performance of photovoltaic (PV) systems is influenced not only by module efficiency but also by the flexibility and structural reliability of mounting systems, particularly those allowing height and tilt adjustments to accommodate site-specific and seasonal variations. While automatic tracking systems can increase energy yield, their high cost and mechanical complexity limit widespread adoption, underscoring the need for simpler, more economical alternatives. This study evaluates the structural feasibility of an adjustable-height PV mounting system that improves installation flexibility while maintaining mechanical integrity. A conceptual engineering design approach was employed to develop a modular mounting structure with a mechanical height-adjustment mechanism. Structural performance was assessed using finite element–based static simulations under gravitational loading representative of a commercial bifacial PV module. The evaluation focused on Von Mises stress distribution, total deformation, and safety factor as indicators of mechanical reliability at the conceptual design stage. The results indicate that maximum Von Mises stress remains well below the assumed material yield strength, while total deformation is negligible relative to overall structural dimensions. The calculated safety factor confirms an adequate structural safety margin, indicating that integrating a height adjustment mechanism does not compromise structural stability. The proposed mounting system demonstrates sufficient structural feasibility and mechanical simplicity for early-stage development, offering a practical, adaptable solution for ground-mounted and rooftop PV installations.
A Bibliometric and Quantitative Review of Renewable Energy–Powered Mine Dewatering Systems: Trends, Performance, and Gaps Fadillah, Miftahul; Yandri, Erkata
Leuser Journal of Environmental Studies Vol. 4 No. 1 (2026): April 2026
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/ljes.v4i1.388

Abstract

Renewable energy integration into mine dewatering systems has gained increasing attention amid rising energy costs, decarbonization pressures, and hydrological variability in mining operations. However, existing studies remain fragmented across hydrogeological modeling, hybrid energy optimization, and environmental assessment, limiting cross-study comparability and system-level integration. This study conducts a structured bibliometric and quantitative synthesis to examine the evolution of research, collaboration patterns, thematic concentration, and methodological gaps in renewable energy–based mine dewatering systems between 2015 and 2025. A PRISMA-based dataset of 43 eligible publications was analyzed using co-authorship networks, keyword co-occurrence mapping, temporal overlay visualization, and composite bibliometric scoring. The results reveal a transition from hydrogeology-focused research toward hybrid renewable integration and energy storage–oriented systems. Publication activity increases significantly after 2020, with a peak in citation impact around that time. Energy storage, renewable integration, and groundwater management emerge as dominant research hotspots, while system-level optimization, stochastic hydrological modeling, real-time control, and long-term validation remain underdeveloped. Quantitative evidence indicates energy savings of approximately 12–25% and carbon emission reductions of 20–40%, although these remain constrained by heterogeneous baselines and deterministic modeling approaches. This study proposes a conceptual analytical framework integrating bibliometric structural analysis, temporal performance evaluation, and gap-driven synthesis to support uncertainty-aware and system-level evaluation of renewable-based mine dewatering systems. The findings guide scalable, integrated dewatering strategies across diverse mining contexts.
Development of a Scoring-Based Renewable Energy Readiness Index for Commercial Buildings: An Integrated Framework Based on Energy Audit Findings Riyanto, Andry; Yandri, Erkata
Leuser Journal of Environmental Studies Vol. 4 No. 1 (2026): April 2026
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/ljes.v4i1.405

Abstract

The building sector plays a significant role in global energy consumption and carbon emissions, necessitating the integration of renewable energy systems. However, conventional energy audits primarily focus on technical efficiency and do not provide a structured assessment of a building’s readiness for renewable energy implementation. This study addresses this gap by developing a Renewable Energy Readiness Assessment Framework (RERAF) and its corresponding Renewable Energy Readiness Index (RERI), which integrate energy audit findings with multidimensional readiness factors. The framework comprises nine dimensions—technical, managerial, economic, regulatory, environmental, social, digital, resilience, and institutional—operationalized through an evidence-based scoring approach using a standardized Likert scale (0–4). To maintain methodological neutrality at the initial development stage, all dimensions and indicators are assigned equal weights (equal weighting scheme), thereby avoiding subjective bias in the absence of expert-based validation. The framework was applied to a commercial office building in Indonesia using energy audit data, supporting documents, and operational information. The results show a RERI score of 2.39 (equivalent to 60.00 on a normalized scale), indicating a moderate level of readiness. The analysis reveals a structural imbalance between relatively strong technical readiness and weaker non-technical dimensions, particularly in managerial, economic, digital, and institutional aspects. These findings highlight that technical feasibility alone is insufficient to ensure successful renewable energy adoption. The proposed framework contributes to bridging the gap between energy audit practices and renewable energy readiness assessment by providing a transparent, evidence-based, and reproducible decision-support tool for stakeholders in the building sector.
Co-Authors Aep Saepul Uyun Amaral, Clizardo Ariati, Ratna Aryati, Ratna Bahri, Ridzky Aulia Bangun Novianto Candra, Arief Fadillah, Miftahul Faizin, Muhammad Ihsan Nur Fitriani Fitriani Gede Arya Rachman Ghazi Mauer Idroes Hamja, Nasrullah Heriyanto, Hernawan Hilmi, Erik Ibrahim, Riki Firmandha Irvanizam, Irvanizam Isandono, Hafit Kukuh Priyo Pramono Lala, Andi Lodewijk, Dewi Putriani Yogosara Ludji, Omrie Maria Paristiowati Maulana, Aga Mohamed Yusof, Nur Intan Saidaah Muhammad Syukri Nur Muhammad Yanis Muhammad Yusuf Murdiyansah, Novan Murdiyansyah, Novan Naoto Hagino Nizamuddin Nizamuddin Pramono, Kukuh Priyo Ratna Ariati Ratna Ariati Rifki Saiful Riki Firmandha Ibrahim Rinaldi Idroes Riyanto, Andry Rizal F. Hariadi Saiful, Rifki Sasmita, Novi Reandy Satrio, Justinus Sidharta, Rendy Sihombing, Very Sparisoma Viridi Suhendra, Rivansyah Teuku Rizky Noviandy Timba, Ayub Tirta, Andy Uhanto, Uhanto Utami, Mei Budi Viendyasari, Mila Zahriah, Zahriah Zulkarnain Jalil