Assessment of wave energy resources in Hawaii

Justin E. Stopa, Kwok Fai Cheung and Yi-Leng Chen

Renewable Energy, 2011, vol. 36, issue 2, 554-567

Abstract: Hawaii is subject to direct approach of swells from distant storms as well as seas generated by trade winds passing through the islands. The archipelago creates a localized weather system that modifies the wave energy resources from the far field. We implement a nested computational grid along the major Hawaiian Islands in the global WaveWatch3 (WW3) model and utilize the Weather Research and Forecast (WRF) model to provide high-resolution mesoscale wind forcing over the Hawaii region. Two hindcast case studies representative of the year-round conditions provide a quantitative assessment of the regional wind and wave patterns as well as the wave energy resources along the Hawaiian Island chain. These events of approximately two weeks each have a range of wind speeds, ground swells, and wind waves for validation of the model system with satellite and buoy measurements. The results demonstrate the wave energy potential in Hawaii waters. While the episodic swell events have enormous power reaching 60 kW/m, the wind waves, augmented by the local weather, provide a consistent energy resource of 15–25 kW/m throughout the year.

Keywords: Mesoscale model; Spectral wave model; Waves in Hawaii; Wave energy; Wave power; Ocean observing system (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (67)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:36:y:2011:i:2:p:554-567

DOI: 10.1016/j.renene.2010.07.014

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