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Dispatchability, Energy Security, and Reduced Capital Cost in Tidal-Wind and Tidal-Solar Energy Farms

Author

Listed:
  • Peter Osman

    (CSIRO Energy, Bradfield Rd., West Lindfield, NSW 2070, Australia)

  • Jennifer A. Hayward

    (CSIRO Energy, CSIRO Energy Centre, Newcastle, NSW 2304, Australia)

  • Irene Penesis

    (Australian Maritime College, University of Tasmania, Launceston, TAS 7250, Australia)

  • Philip Marsh

    (Australian Maritime College, University of Tasmania, Launceston, TAS 7250, Australia)

  • Mark A. Hemer

    (CSIRO Oceans and Atmosphere, Battery Point, TAS 7004, Australia)

  • David Griffin

    (CSIRO Oceans and Atmosphere, Battery Point, TAS 7004, Australia)

  • Saad Sayeef

    (CSIRO Energy, CSIRO Energy Centre, Newcastle, NSW 2304, Australia)

  • Jean-Roch Nader

    (Australian Maritime College, University of Tasmania, Launceston, TAS 7250, Australia)

  • Remo Cossu

    (School of Civil Engineering, University of Queensland, St. Lucia, QLD 4072, Australia)

  • Alistair Grinham

    (School of Civil Engineering, University of Queensland, St. Lucia, QLD 4072, Australia)

  • Uwe Rosebrock

    (CSIRO Oceans and Atmosphere, Battery Point, TAS 7004, Australia)

  • Mike Herzfeld

    (CSIRO Oceans and Atmosphere, Battery Point, TAS 7004, Australia)

Abstract

The global tidal energy resource for electricity generation is small, and converting tidal kinetic energy to electricity is expensive compared to solar-photovoltaic or land-based wind turbine generators. However, as the renewable energy content in electricity supplies grows, the need to stabilise these supplies increases. This paper describes tidal energy’s potential to reduce intermittency and variability in electricity supplied from solar and wind power farms while lowering the capital expenditure needed to improve dispatchability. The paper provides a model and hypothetical case studies to demonstrate how sharing energy storage between tidal stream power generators and wind or solar power generators can mitigate the level, frequency, and duration of power loss from wind or solar PV farms. The improvements in dispatchability use tidal energy’s innate regularity and take account of tidal asymmetry and extended duration low-velocity neap tides. The case studies are based on a national assessment of Australian tidal energy resources carried out from 2018 to 2021.

Suggested Citation

  • Peter Osman & Jennifer A. Hayward & Irene Penesis & Philip Marsh & Mark A. Hemer & David Griffin & Saad Sayeef & Jean-Roch Nader & Remo Cossu & Alistair Grinham & Uwe Rosebrock & Mike Herzfeld, 2021. "Dispatchability, Energy Security, and Reduced Capital Cost in Tidal-Wind and Tidal-Solar Energy Farms," Energies, MDPI, vol. 14(24), pages 1-28, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:24:p:8504-:d:704341
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    References listed on IDEAS

    as
    1. Daniel Coles & Athanasios Angeloudis & Zoe Goss & Jon Miles, 2021. "Tidal Stream vs. Wind Energy: The Value of Cyclic Power When Combined with Short-Term Storage in Hybrid Systems," Energies, MDPI, vol. 14(4), pages 1-17, February.
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    Cited by:

    1. Yang, Yang & Fu, Jianbin & Shi, Zhaobin & Ma, Lu & Yu, Jie & Fang, Fang & Chen, Shunhua & Lin, Zaibin & Li, Chun, 2023. "Performance and fatigue analysis of an integrated floating wind-current energy system considering the aero-hydro-servo-elastic coupling effects," Renewable Energy, Elsevier, vol. 216(C).

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