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.
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Data availability
All the data used in this study are available online via the following links. The data for quantifying wind drought changes are available via the ERA5 at https://doi.org/10.24381/cds.adbb2d47 (ref. 66) and the MERRA2 at https://doi.org/10.5067/VJAFPLI1CSIV (ref. 67). Projected wind drought changes in CMIP6 are available at the Program for Climate Model Diagnosis and Intercomparison (https://aims2.llnl.gov/search). The land-cover map was obtained from the MCD12C1 (https://doi.org/10.5067/MODIS/MCD12C1.006) and the Ecoregions 2017 (https://ecoregions.appspot.com). The terrain elevation is from GTOPO30 at https://doi.org/10.5066/F7DF6PQS. Global wind power density was derived from the Global Wind Atlas (https://globalwindatlas.info/en/download/gis-files). The global dataset of wind farm locations and power are available via Figshare at https://doi.org/10.6084/m9.figshare.11310269.v2 (ref. 85). All data generated in this study are available via the Peking University Open Research Data Platform at https://doi.org/10.18170/DVN/50VDAL (ref. 86).
Code availability
All codes used in this study are available via the Peking University Open Research Data Platform at https://doi.org/10.18170/DVN/50VDAL (ref. 86).
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (42275194) and National Key Research and Development Programme of China (2023YFC3707404).
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L.S. designed the experiments and M.Q. carried them out. Z.Z. and B.Y. contributed to the data analysis. H.Z., X.Y. and X.L. contributed to the result interpretation. M.Q. and L.S. prepared the paper with contributions from all co-authors.
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Qu, M., Shen, L., Zeng, Z. et al. Prolonged wind droughts in a warming climate threaten global wind power security. Nat. Clim. Chang. 15, 842–849 (2025). https://doi.org/10.1038/s41558-025-02387-x
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DOI: https://doi.org/10.1038/s41558-025-02387-x
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