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All Journal Jurnal Konversi Energi dan Manufaktur IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA)
Muhammad Rafif Dzaky Abdad
State University of Malang
Aerospace Engineering Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Sustainable Energy Transition in Remote Islands: Evaluating Wind–Solar Hybrid Systems to Support Commercial Green Tourism on Kei Kecil Island Saika Khoolish Rochma Fa’alih; Muhammad Rafif Dzaky Abdad; Novita Vadina Marta Ria; Wildan Yusril Nurhuda Rizkiawan; Yuki Trisnoaji
Jurnal Konversi Energi dan Manufaktur Vol. 11 No. 1 (2026)
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JKEM.11.1.2

Abstract

This study aims to analyze the techno-economic feasibility of a hybrid microgrid system designed to support commercial green tourism infrastructure on Kei Kecil Island, Southeast Maluku. The research focuses on evaluating the investment feasibility of adding a 99 kW wind power plant to an existing system comprising photovoltaic (PV), diesel generators, and batteries. The methodology employs HOMER Pro simulation to assess key financial indicators and environmental impacts, with a particular emphasis on carbon emission reduction. Simulation results indicate that the proposed hybrid scenario offers a highly profitable investment strategy, characterized by a high return on investment (ROI) and a rapid payback period of under five years. These findings confirm that integrating wind energy not only significantly increases the renewable energy fraction but also suppresses the cost of energy to a competitive level compared to conventional generation. The novelty of this study lies in the specific analysis of wind turbine intervention on a brownfield architecture in a remote island setting, distinguishing it from typical greenfield design studies. This research provides a significant contribution to policymakers and investors as a validation model for energy transition supporting sustainable tourism in archipelagic regions.
Tinjauan Komprehensif Teknologi Pemulihan Panas Terbuang (Waste Heat Recovery) pada Sistem Boiler untuk Peningkatan Efisiensi dan Reduksi Emisi Muhammad Rafif Dzaky Abdad; Saika Khoolish Rochma Fa’alih; Wildan Yusril Nurhuda Rizkiawan; Muhamad Fraja Dwi Putra; Yuki Trisnoaji
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 3 (2025): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i3.352

Abstract

This systematic literature review examines the application of Waste Heat Recovery (WHR) technologies in boiler systems to improve thermal efficiency and reduce CO₂ emissions. Using the PRISMA 2020 framework, 20 relevant studies published between 2010 and 2025 were selected through predefined eligibility and quality criteria. A thematic analysis was conducted to synthesize methodological approaches, performance outcomes, and implementation challenges across the included studies. The findings indicate that WHR integration can enhance thermal efficiency by up to 20.3%, provide fuel savings of 17.9%, and reduce CO₂ emissions by approximately 180 kg/MWh. Heat Recovery Steam Generators (HRSG) and Organic Rankine Cycle (ORC) systems demonstrate the highest performance levels, although their adoption is often constrained by higher capital costs and engineering complexity. The review also highlights gaps in policy incentives and regulatory support, which remain significant barriers to large-scale deployment. Overall, WHR technologies present a strategic pathway for improving industrial energy efficiency and advancing decarbonization efforts through a synergistic interplay of technological innovation, economic feasibility, and supportive policy frameworks.  
Evaluasi Sistematis Efisiensi Turbin Angin Lepas Pantai Terapung dan Potensi Reduksi Emisi Karbon Salma Salsabila; Sigit Prasetyo; Putra Adil Wicaksana; Siti Dhurrotus Sa’Diah; Muhammad Rafif Dzaky Abdad; Yuki Trisnoaji
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 3 (2025): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i3.357

Abstract

The growing demand for clean energy has accelerated interest in Floating Offshore Wind Turbines (FOWTs), which enable efficient wind energy harvesting in deep-water regions. This study conducts a systematic literature review across four major databases, Scopus, ScienceDirect, SpringerLink, and Google Scholar, to evaluate the energy efficiency, carbon emission reduction potential, and economic feasibility of FOWT systems. The findings indicate that combined configurations, such as Spar–TLP and multi-turbine platforms, provide the highest energy conversion performance and structural stability, contributing to up to 17% in carbon emission reduction. Economically, several studies report competitive Levelized Cost of Energy (LCOE) and relatively short payback periods. This research strengthens the understanding of FOWT performance by integrating global evidence into the context of marine energy sustainability. However, methodological limitations arise from data variability across studies and the dominance of simulation-based analyses. Further research is required to optimize mooring systems and adapt FOWT designs to tropical and archipelagic environments, such as those found in Indonesia.
Co-Authors Muhamad Fraja Dwi Putra Novita Vadina Marta Ria Putra Adil Wicaksana Saika Khoolish Rochma Fa’alih Salma Salsabila Sigit Prasetyo Siti Dhurrotus Sa’Diah Wildan Yusril Nurhuda Rizkiawan Yuki Trisnoaji