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<p>This study aims to optimize the layout of a 1 GW floating offshore wind farm, potentially linked to offshore green hydrogen production near the East Sea gas field, to support conceptual design and performance evaluation. ERA5 reanalysis data from ECMWF were used for wind resource assessment at hub height. The alignment score, which reflects wind occurrence frequency by wind direction, was used to identify best and worst wind directions for wake accumulation. The wake interaction between WTs was calculated using the simple Jensen (Park) model but reasonable for layout optimization and an objective function was developed that integrates AEP maximization and in-field cable cost minimization. Continuous ant colony optimization was applied to identify the optimal solution among candidate layouts. The optimized annual energy production can be directly linked to offshore green hydrogen production and storage, supporting an integrated renewable energy and offshore green hydrogen supply chain in the East Sea.</p>

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Alignment-based layout optimization of a floating offshore wind farm

  • 期刊论文

  • 发表日期：

    2026年5月29日

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  • Jinsoo Park,
  • Sungjun Jung,
  • Hong Gun Sung,
  • Byeongwon Park

摘要

This study aims to optimize the layout of a 1 GW floating offshore wind farm, potentially linked to offshore green hydrogen production near the East Sea gas field, to support conceptual design and performance evaluation. ERA5 reanalysis data from ECMWF were used for wind resource assessment at hub height. The alignment score, which reflects wind occurrence frequency by wind direction, was used to identify best and worst wind directions for wake accumulation. The wake interaction between WTs was calculated using the simple Jensen (Park) model but reasonable for layout optimization and an objective function was developed that integrates AEP maximization and in-field cable cost minimization. Continuous ant colony optimization was applied to identify the optimal solution among candidate layouts. The optimized annual energy production can be directly linked to offshore green hydrogen production and storage, supporting an integrated renewable energy and offshore green hydrogen supply chain in the East Sea.