Prolonged wind droughts in a warming climate threaten global wind power security

Meng Qu, Lu Shen (), Zhenzhong Zeng, Bolei Yang, Huiru Zhong, Xinrong Yang and Xi Lu
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Meng Qu: Peking University
Lu Shen: Peking University
Zhenzhong Zeng: Southern University of Science and Technology
Bolei Yang: Peking University
Huiru Zhong: Peking University
Xinrong Yang: Peking University
Xi Lu: Tsinghua University

Nature Climate Change, 2025, vol. 15, issue 8, 842-849

Abstract: Abstract Prolonged low-wind events, termed wind droughts, threaten wind turbine electricity generation, yet their future trajectories remain poorly understood. Here, using hourly data from 21 IPCC models, we reveal robust increasing trends in wind drought duration at both global and regional scales by 2100, across low- and high-CO2 scenarios. These trends are primarily driven by declining mid-latitude cyclone frequencies and Arctic warming. Notably, the duration of 25-year return events is projected to increase by up to 20% under low warming scenarios and 40% under very high warming scenarios in northern mid-latitude countries, threatening energy security in these densely populated areas. Additionally, record-breaking wind drought extremes will probably become more frequent in a warming climate, particularly in eastern North America, western Russia, northeastern China and north-central Africa. Our analysis suggests that ~20% of existing wind turbines are in regions at high future risk of record-breaking wind drought extremes, a factor not yet considered in current assessments.

Date: 2025
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DOI: 10.1038/s41558-025-02387-x

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