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Techno-economic assessment of a novel organic Rankine cycle-based wind-hydrogen coupled energy storage system

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  • Di, Junjie
  • Fan, Shiyan
  • Zuo, Yingqian
  • Meng, Zhaoxin
  • He, Qing

Abstract

To address the issue of low energy utilization in the wind hydrogen coupled energy storage (WHES) system, this paper proposes an organic Rankine cycle (ORC) wind hydrogen coupled energy storage (OWHES) system based on the WHES system. The economic calculation model of the WHES system and OWHES system with a capacity of 50 MW are established. The economic feasibility of the system is compared and analyzed by the economic evaluation indicator such as return on investment, payback period and net present value. The results show that the OWHES system has higher return on investment ability, its net present value increased by 43.13 million ¥, the static investment payback period shortened by 1.6 years, and the return on investment increased by 1.2 %. The electricity price of the OWHES system needs to be less than 0.3¥/kWh, otherwise it is not economically feasible. The economic impact of hydrogen production subsidies on the OWHES system is greater than that of electricity generation subsidies. Without subsidies, the hydrogen price needs to be greater than 35.52 ¥/kg for the OWHES system to meet the requirements of economic feasibility evaluation indicators.

Suggested Citation

  • Di, Junjie & Fan, Shiyan & Zuo, Yingqian & Meng, Zhaoxin & He, Qing, 2025. "Techno-economic assessment of a novel organic Rankine cycle-based wind-hydrogen coupled energy storage system," Energy, Elsevier, vol. 333(C).
    • Handle: RePEc:eee:energy:v:333:y:2025:i:c:s0360544225031809
    DOI: 10.1016/j.energy.2025.137538
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