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Optimizing regional hydrogen energy layout with cost variations in renewable hydrogen production under electricity-hydrogen-carbon coupling

Author

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  • Li, Ru
  • Lu, Yaxi
  • Guo, Yan
  • Zhang, Chen

Abstract

The development of green hydrogen energy is crucial for achieving a low-carbon energy transition. Existing research has overlooked the practical demand for inter-regional hydrogen energy scheduling and the potential for future cost reductions in renewable energy-based hydrogen production. To address these gaps, this study establishes an optimization model for hydrogen energy distribution across seven regions in China, incorporating electricity prices, technological advancements, and hydrogen industry development trends. The results indicate a significant reduction in China's hydrogen production costs. By 2060, the average production cost will decrease to 8.94 CNY/kg. The share of hydrogen production in renewable energy will rise to 60 %–100 % by 2060, with PEM-based production accounting for 24 %–60 %. The carbon emission reduction potential of hydrogen energy production can reach 1040.5 Mt-1734.2 Mt by 2060. The Southwest region will become the primary exporter of hydrogen, contributing 36.9 % of the inter-regional hydrogen transmission. The South will be the largest importer, with hydrogen imports reaching 20.46 Mt by 2060. This study offers strategies to reduce renewable hydrogen costs, optimize production structures, and enhance transmission through technological innovation and market mechanisms, promoting efficient energy use and an integrated hydrogen network.

Suggested Citation

  • Li, Ru & Lu, Yaxi & Guo, Yan & Zhang, Chen, 2026. "Optimizing regional hydrogen energy layout with cost variations in renewable hydrogen production under electricity-hydrogen-carbon coupling," Renewable Energy, Elsevier, vol. 256(PB).
    • Handle: RePEc:eee:renene:v:256:y:2026:i:pb:s0960148125017185
    DOI: 10.1016/j.renene.2025.124054
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    References listed on IDEAS

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