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Pumped-storage renovation for grid-scale, long-duration energy storage

Nature Reviews Electrical Engineering volume 2, pages 79–80 (2025)Cite this article

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Grid-scale, long-duration energy storage has been widely recognized as an important means to address the intermittency of wind and solar power. This Comment explores the potential of using existing large-scale hydropower systems for long-duration and seasonal energy storage, highlighting technological challenges and future research directions for pumped-storage renovation.

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Fig. 1: Pumped-storage renovation of hydropower for multi-scale energy storage.
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Acknowledgements

This work was supported by the National Natural Science Foundation of China (U23A20667, 52239001 and 52079014).

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Authors and Affiliations

  1. School of Hydraulic Engineering, Dalian University of Technology, Dalian, Liaoning, China

    Jianjian Shen, Yue Wang, Tingjie Hao & Chuntian Cheng

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  1. Jianjian Shen
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  2. Yue Wang
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  3. Tingjie Hao
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  4. Chuntian Cheng
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Correspondence to Jianjian Shen.

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Shen, J., Wang, Y., Hao, T. et al. Pumped-storage renovation for grid-scale, long-duration energy storage. Nat Rev Electr Eng 2, 79–80 (2025). https://doi.org/10.1038/s44287-025-00143-z

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