Nearshore Wave Energy Resource Assessment for Off-Grid Islands: A Case Study in Cuyo Island, Palawan, Philippines

Jonathan C. Pacaldo (), Princess Hope T. Bilgera and Michael Lochinvar S. Abundo ()
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Jonathan C. Pacaldo: Center for Research in Energy Systems and Technology (CREST), University of San Carlos, Cebu City 6000, Philippines
Princess Hope T. Bilgera: Magwayen Enterprise for Management of Environmental Systems Incorporated, Quezon City 1105, Philippines
Michael Lochinvar S. Abundo: Center for Research in Energy Systems and Technology (CREST), University of San Carlos, Cebu City 6000, Philippines

Energies, 2022, vol. 15, issue 22, 1-29

Abstract: Electrifying off-grid and isolated islands in the Philippines remains one of the challenges that hinders community development, and one of the solutions seen to ensure energy security, energy access and promote a low-carbon future is the use of renewable energy sources. This study determines the nearshore wave energy resource during monsoon seasons in Cuyo Island using a 40-year wave hindcast and 8-year on-site wind speed data as inputs to develop a high-resolution wave energy model using SWAN and assesses its annual energy production through matching with wave energy devices. The results show that the average significant wave height ( H s ), peak period ( T p ) and wave power density ( P d ) during a northeast monsoon are H s = 1.35 m, T p = 4.79 s and P d = 4.05 kW/m, respectively, while a southwest monsoon, which is sheltered by the mainland, results in H s = 0.52 m, T p = 3.37 s and P d = 0.34 kW/m. While the simulated model was observed to overestimate the significant wave height (bias = 0.398, RMSE = 0.54 and SI = 1.34), it has a strong relationship with the “observed values” (average r = 0.9). The annual energy production for Wave Dragon, Archimedes Wave Swing and Seawave Slot-Cone Generator are highest at 1970.6 MWh, 2462.04 MWh, 62.424 MWh and 4099.23 MWh, respectively.

Keywords: SWAN; nearshore wave energy resource assessment; ocean renewable energy; wave energy; wave model simulation; off-grid island electrification; PAGASA; Cuyo Island; Palawan (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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