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A Stochastic Process-Based Approach for Power System Modeling and Simulation: A Case Study on China’s Long-Term Coal-Fired Power Phaseout

Author

Listed:
  • Rui Yang

    (School of Management, China University of Mining and Technology (Beijing), Beijing 100083, China
    School of Decision Science and Big Data, China University of Mining and Technology (Beijing), Beijing 100083, China)

  • Wensheng Wang

    (School of Management, China University of Mining and Technology (Beijing), Beijing 100083, China
    School of Decision Science and Big Data, China University of Mining and Technology (Beijing), Beijing 100083, China)

  • Chuangye Chang

    (Institute of Unmanned Systems, Beihang University, Beijing 100191, China)

  • Zhuoqi Wang

    (Institute of Unmanned Systems, Beihang University, Beijing 100191, China)

Abstract

Power systems hold huge potential for emission reduction, which has made the modeling and pathway simulations of their decarbonizing development a subject of widespread interest. However, current studies have not yet provided a useful modeling method that can deliver analytical probabilistic information about future system behaviors by considering various uncertainty factors. Therefore, this paper proposes a stochastic process-based approach that can provide analytical solutions for the uncertainty ranges, as well as their changing momentum, accumulation, and probabilistic distributions. Quantitative probabilities of certain incidents in power systems can be deduced accordingly, without massive Monte Carlo simulations. A case study on China’s long-term coal-fired power phaseout was conducted to demonstrate the practical use of the proposed approach. By modeling the coal-fired power system at the unit level based on stochastic processes, phaseout pathways are probabilistically simulated with consideration of national power security. Simulations span from 2025 to 2060, presenting results and accumulated uncertainties for annual power amounts, full-process emissions, and carbon efficiencies. Through this modeling and simulation, the probabilities of China’s coal-fired power system achieving carbon peaking by 2030 and carbon neutrality by 2060 are 91.15% and 42.13%, respectively. It is expected that there will remain 442 GW of capacity with 0.18 Gt of carbon emissions in 2060.

Suggested Citation

  • Rui Yang & Wensheng Wang & Chuangye Chang & Zhuoqi Wang, 2025. "A Stochastic Process-Based Approach for Power System Modeling and Simulation: A Case Study on China’s Long-Term Coal-Fired Power Phaseout," Sustainability, MDPI, vol. 17(5), pages 1-23, March.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:5:p:2303-:d:1606742
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    References listed on IDEAS

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