Articles | Volume 26, issue 5
https://doi.org/10.5194/nhess-26-1997-2026
https://doi.org/10.5194/nhess-26-1997-2026
Research article
 | 
04 May 2026
Research article |  | 04 May 2026

Landfalling tropical cyclones significantly reduce Bangladesh's energy security

Kieran M. R. Hunt and Hannah C. Bloomfield

Data sets

Bangladesh electricity demand by state (2015–2025) Kieran M. R. Hunt https://gws-access.jasmin.ac.uk/public/wcssp_india/kieran/bangladesh-electricity-demand.csv

ERA5 hourly data on single levels from 1940 to present H. Hersbach et al. https://doi.org/10.24381/cds.adbb2d47

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Short summary
Bangladesh’s power grid is highly vulnerable to tropical cyclones. Using nearly a decade of daily data, we show landfalling storms cut national electricity supply by about 20 % on the day, with coastal regions hit hardest (up to 38 %). Damage comes from high winds, storm surge and heavy rain. Power imports from India often can’t help during big events because both areas are struck together. Building sturdier, climate-resilient infrastructure is essential.
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