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Day-Ahead Optimal Scheduling of an Integrated Electricity-Heat-Gas-Cooling-Hydrogen Energy System Considering Stepped Carbon Trading

Author

Listed:
  • Zhuan Zhou

    (State Grid Xinjiang Electric Power Co., Ltd., Urumqi 830018, China)

  • Weifang Lin

    (China Electric Power Research Institute, Beijing 100192, China)

  • Jiayu Bian

    (State Grid Xinjiang Economic Research Institute, Urumqi 830063, China)

  • Xuan Ren

    (China Electric Power Research Institute, Beijing 100192, China)

Abstract

Within the framework of “dual carbon”, intending to enhance the use of green energies and minimize the emissions of carbon from energy systems, this study suggests a cost-effective low-carbon scheduling model that accounts for stepwise carbon trading for an integrated electricity, heat, gas, cooling, and hydrogen energy system. Firstly, given the clean and low-carbon attributes of hydrogen energy, a refined two-step operational framework for electricity-to-gas conversion is proposed. Building upon this foundation, a hydrogen fuel cell is integrated to formulate a multi-energy complementary coupling network. Second, a phased carbon trading approach is established to further explore the mechanism’s carbon footprint potential. And then, an environmentally conscious and economically viable power dispatch model is developed to minimize total operating costs while maintaining ecological sustainability. This objective optimization framework is effectively implemented and solved using the CPLEX solver. Through a comparative analysis involving multiple case studies, the findings demonstrate that integrating electric-hydrogen coupling with phased carbon trading effectively enhances wind and solar energy utilization rates. This approach concurrently reduces the system’s carbon emissions by 34.4% and lowers operating costs by 58.6%.

Suggested Citation

  • Zhuan Zhou & Weifang Lin & Jiayu Bian & Xuan Ren, 2025. "Day-Ahead Optimal Scheduling of an Integrated Electricity-Heat-Gas-Cooling-Hydrogen Energy System Considering Stepped Carbon Trading," Energies, MDPI, vol. 18(9), pages 1-20, April.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:9:p:2249-:d:1644740
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    References listed on IDEAS

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