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Enhancement strategy of power system resilience for supply-demand imbalance at extreme weather conditions: a high-share renewable energy case from Qinghai Province in China

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Listed:
  • Yuan, Jiahai
  • Zhang, Kai
  • Ding, Baodi
  • Huangfu, Wei
  • Zhang, Jian
  • Mou, Qilin
  • Peng, Kexin
  • Zhang, Haonan

Abstract

Frequent extreme weather seriously threatens the safe and stable operation of renewable energy power system. This work developed an analytical framework of enhancing power system resilience for supply-demand imbalance at extreme weather conditions. The case study of high-share renewable power system in Qinghai Province of China suggested that, in the extreme cold scenario, the power outputs slumped, such as the average solar power output decreased by 37.6 % compared with conventional scenario, while electricity load actually increased by 14 %. As also evidenced by this case, it was found that the great load gap accounting for 40 % of the maximum load in Qinghai was attributed to insufficiency resilience of power system. The case research findings indicate that China's power system should adapt to the possible extreme weather conditions, and adopt new economical and efficient techniques to enhance the power system resilience. The strategies for power systems with high penetration renewable energy are proposed as follows: the grading load shedding of demand-side as a priority measure followed by the rolling superposition of new thermal power plants, cutting down power delivery able to be dispatched (mutual benefit of regional resources), and deployment of long-term energy storage.

Suggested Citation

  • Yuan, Jiahai & Zhang, Kai & Ding, Baodi & Huangfu, Wei & Zhang, Jian & Mou, Qilin & Peng, Kexin & Zhang, Haonan, 2026. "Enhancement strategy of power system resilience for supply-demand imbalance at extreme weather conditions: a high-share renewable energy case from Qinghai Province in China," Renewable Energy, Elsevier, vol. 256(PB).
    • Handle: RePEc:eee:renene:v:256:y:2026:i:pb:s0960148125017124
    DOI: 10.1016/j.renene.2025.124048
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