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Joint development of tidal current energy in multi-channels surrounding Xiushan Island, China

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  • Huang, Zhen
  • Dai, Peng
  • Zhang, Jisheng

Abstract

Xiushan Island is situated in Zhoushan waters, which harbors abundant tidal current energy resources in China, with complex sub-channels surrounding it. This study employs a high-resolution numerical model of tidal currents in Zhoushan waters to evaluate the tidal energy potential and explore the feasibility of integrated exploration of multi-channels around Xiushan Island. Furthermore, the study investigates the competitive effects of sub-channels and assesses the resulting redistribution of flow rate and velocity. Results show that the theoretical tidal current energy potential in the vicinity of Xiushan Island is approximately 1050 MW. Joint exploration of multiple channels yields an energy increase of 10.11% to 33.92% compared to the independent development of each channel. This phenomenon is induced by the competitive effects of flow dynamics when turbines are installed in the multi - channel zone. Numerical results demonstrate that the flow rate of the parallel channels can be increased by up to 17% during the development of individual channels. This integrated approach enables a more effective and comprehensive extraction of tidal current energy resources within the study area.

Suggested Citation

  • Huang, Zhen & Dai, Peng & Zhang, Jisheng, 2026. "Joint development of tidal current energy in multi-channels surrounding Xiushan Island, China," Energy, Elsevier, vol. 347(C).
    • Handle: RePEc:eee:energy:v:347:y:2026:i:c:s0360544226004305
    DOI: 10.1016/j.energy.2026.140327
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