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All Journal Journal of Mechanical Design and Testing (JMDT)
Zharfan Ghafara Gunawan
Technology Development Division, PLN Indonesia Power, Jakarta, Indonesia.
Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Computational Fluid Dynamic Analysis of Power Potential from Point Absorber Wave Energy Converters in Adipala and Pelabuhan Ratu Zharfan Ghafara Gunawan; Zaenal Abidin; William Abednego Pardede
Journal of Mechanical Design and Testing Vol 8, No 1 (2026): Article in Press
Publisher : Department of Mechanical and Industrial Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jmdt.121142

Abstract

Indonesia holds an estimated ocean wave energy potential of 17.9 GW. However, utilization remains critically low at only 0.3 MW, highlighting a significant gap between potential and deployment. This study investigates the technical feasibility of implementing point absorber-type wave energy converters (WECs) at two coastal coal-fired power plants (CFPPs) operated by PT PLN Indonesia Power: the Adipala CFPP and the Pelabuhan Ratu CFPP. A numerical simulation approach using computational fluid dynamics (CFD) was applied to assess two WEC types: swing and buoy, under site-specific wave conditions. Results show that Adipala possesses greater wave energy potential (3.17 kW/m) compared to Pelabuhan Ratu (1.1 kW/m). The buoy-type device consistently outperformed the swing type in both locations, generating average power outputs of 490.7 W and 357.1 W, respectively. The swing type yielded 119.7 W and 119.5 W. When scaled along the full 1,500-meter breakwater, the buoy-type system in Adipala offers an average power potential of 0.73 MW, peaking at 3 MW, indicating that Adipala offers superior deployment potential compared to Pelabuhan Ratu. These findings indicate strong prospects for small-scale wave energy deployment in Indonesia, especially when leveraging existing coastal infrastructure.
Co-Authors William Abednego Pardede Zaenal Abidin