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Weptos Wave Energy Converters to Cover the Energy Needs of a Small Island

Author

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  • Lucia Margheritini

    (Civil Engineering Department, Aalborg University, Thomas Manns Vej 23, 9220 Aalborg Ø, Demark)

  • Jens Peter Kofoed

    (Civil Engineering Department, Aalborg University, Thomas Manns Vej 23, 9220 Aalborg Ø, Demark)

Abstract

This paper presents the details of a study performed to investigate the feasibility of a wave energy system made up of a number of Weptos wave energy converters (WECs) and sets of batteries, to provide the full energy demands of a small island in Denmark. Two different configurations with 2 and 4 Weptos machines respectively with a combined installed power of 750 kW (and a capacity factor of 0.2) are presented. One full year simulation, based a detailed hourly analysis of the power consumption and wave energy resource assessment in the surrounding sea, is used to demonstrate that both configurations, supplemented by a 3 MWh battery bank and a backup generator, can provide the energy needs of the island. The proposed configurations are selected on the basis of a forecast optimization of price estimates for the individual elements of the solutions. The simulations show that Weptos WECs actually deliver 50% more than average consumption over the year, but due to the imbalance between consumption and production, this is not enough to cover all situations, which necessitates a backup generator that must cover 5–7% of consumption, in situations where there are too few waves and the battery bank is empty.

Suggested Citation

  • Lucia Margheritini & Jens Peter Kofoed, 2019. "Weptos Wave Energy Converters to Cover the Energy Needs of a Small Island," Energies, MDPI, vol. 12(3), pages 1-17, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:3:p:423-:d:201706
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    References listed on IDEAS

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    1. Hernández-Torres, David & Bridier, Laurent & David, Mathieu & Lauret, Philippe & Ardiale, Thomas, 2015. "Technico-economical analysis of a hybrid wave power-air compression storage system," Renewable Energy, Elsevier, vol. 74(C), pages 708-717.
    2. Mackay, Edward B.L. & Bahaj, AbuBakr S. & Challenor, Peter G., 2010. "Uncertainty in wave energy resource assessment. Part 2: Variability and predictability," Renewable Energy, Elsevier, vol. 35(8), pages 1809-1819.
    3. Fairley, I. & Smith, H.C.M. & Robertson, B. & Abusara, M. & Masters, I., 2017. "Spatio-temporal variation in wave power and implications for electricity supply," Renewable Energy, Elsevier, vol. 114(PA), pages 154-165.
    4. Arthur Pecher & Jens Peter Kofoed & Tommy Larsen, 2012. "Design Specifications for the Hanstholm WEPTOS Wave Energy Converter," Energies, MDPI, vol. 5(4), pages 1-17, April.
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    Cited by:

    1. Tunde Aderinto & Hua Li, 2019. "Review on Power Performance and Efficiency of Wave Energy Converters," Energies, MDPI, vol. 12(22), pages 1-24, November.
    2. Yazdi, Hossein & Ghafari, Hamid Reza & Ghassemi, Hassan & He, Guanghua & Karimirad, Madjid, 2023. "Wave power extraction by Multi-Salter's duck WECs arrayed on the floating offshore wind turbine platform," Energy, Elsevier, vol. 278(PA).
    3. Andrea Lazzaretto & Andrea Toffolo, 2019. "Optimum Choice of Energy System Configuration and Storages for a Proper Match between Energy Conversion and Demands," Energies, MDPI, vol. 12(20), pages 1-6, October.
    4. Constantine Michailides, 2021. "Ηydrodynamic Response and Produced Power of a Combined Structure Consisting of a Spar and Heaving Type Wave Energy Converters," Energies, MDPI, vol. 14(1), pages 1-22, January.
    5. Schallenberg-Rodríguez, Julieta & Del Rio-Gamero, Beatriz & Melian-Martel, Noemi & Lis Alecio, Tyrone & González Herrera, Javier, 2020. "Energy supply of a large size desalination plant using wave energy. Practical case: North of Gran Canaria," Applied Energy, Elsevier, vol. 278(C).
    6. Choupin, Ophelie & Del Río-Gamero, B. & Schallenberg-Rodríguez, Julieta & Yánez-Rosales, Pablo, 2022. "Integration of assessment-methods for wave renewable energy: Resource and installation feasibility," Renewable Energy, Elsevier, vol. 185(C), pages 455-482.
    7. Nasrollahi, Sadaf & Kazemi, Aliyeh & Jahangir, Mohammad-Hossein & Aryaee, Sara, 2023. "Selecting suitable wave energy technology for sustainable development, an MCDM approach," Renewable Energy, Elsevier, vol. 202(C), pages 756-772.

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