A feasibility assessment for co-locating and powering offshore aquaculture with wave energy in the United States

Garavelli, Lysel; Freeman, Mikaela C.; Tugade, Levy G.; Greene, David; McNally, Jim

doi:10.1016/j.ocecoaman.2022.106242

A feasibility assessment for co-locating and powering offshore aquaculture with wave energy in the United States

Journal Article · Mon May 30 00:00:00 EDT 2022 · Ocean & Coastal Management

DOI:https://doi.org/10.1016/j.ocecoaman.2022.106242· OSTI ID:1878128

; ; Tugade, Levy G.; ;

Offshore aquaculture and marine renewable energy (energy from waves, tides, currents, and ocean gradients) are two developing ocean-based industries. Aquaculture, an industry that has typically relied on diesel for power, is expected to grow globally, presenting an opportunity to reduce greenhouse gas emissions by switching to renewable sources as it expands. As the industry moves further offshore and is situated in more energetic environments, the prospect to co-locate offshore aquaculture with wave energy increases. To improve understanding of this potential, a feasibility assessment was completed to estimate the energy needs and wave resource required to power offshore finfish aquaculture operations. The study found it is possible to power offshore aquaculture operations entirely with wave energy. A spatial analysis was then performed to assess the suitability of co-locating offshore finfish aquaculture and wave energy off California and Hawaii. Suitable locations were identified offshore of O’ahu, Hawaii, and northern California. Southern California was also assessed, using a lower wave resource, based on study areas evaluated by the National Oceanic and Atmospheric Administration to identify Aquaculture Opportunity Areas, and while limited there are suitable locations that may warrant further evaluation. This study presents an analysis into the potential to pair wave energy with offshore aquaculture, and how various factors can help determine suitable areas for co-location. The analyses developed in this study will support future identification of potential sites for development and decision-making to optimize the success of co-locating wave energy resources and offshore finfish aquaculture.

View Accepted Manuscript (DOE)

Research Organization:: National Renewable Energy Laboratory (NREL), Golden, CO (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Water Power Technologies Office

Grant/Contract Number:: AC05-76RL01830; AC36-08GO28308

OSTI ID:: 1878128

Alternate ID(s):: OSTI ID: 1878284

Report Number(s):: NREL/JA-5700-83209; PNNL-SA-170040; MainId:83982; UUID:eb34440e-d796-49e3-8e02-30032e8374d9; MainAdminID:64922

Journal Information:: Ocean & Coastal Management, Journal Name: Ocean & Coastal Management Vol. 225; ISSN 0964-5691

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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16 TIDAL AND WAVE POWER
co-location
energy assessment
marine renewable energy
offshore aquaculture
spatial analysis

A feasibility assessment for co-locating and powering offshore aquaculture with wave energy in the United States

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