In 2025, China ranked first in the world in terms of pumped storage hydropower capacity, with more than 65.9 gigawatts. Japan and the United States followed second and third respectively, with roughly 21.9 gigawatts and 18.9 gigawatts of capacity respectively.
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IRENA. (March 31, 2026). Capacity of pumped storage hydropower worldwide in 2025, by leading country (in megawatts) [Graph]. In Statista. Retrieved May 08, 2026, from https://www.statista.com/statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/
IRENA. "Capacity of pumped storage hydropower worldwide in 2025, by leading country (in megawatts)." Chart. March 31, 2026. Statista. Accessed May 08, 2026. https://www.statista.com/statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/
IRENA. (2026). Capacity of pumped storage hydropower worldwide in 2025, by leading country (in megawatts). Statista. Statista Inc.. Accessed: May 08, 2026. https://www.statista.com/statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/
IRENA. "Capacity of Pumped Storage Hydropower Worldwide in 2025, by Leading Country (in Megawatts)." Statista, Statista Inc., 31 Mar 2026, https://www.statista.com/statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/
IRENA, Capacity of pumped storage hydropower worldwide in 2025, by leading country (in megawatts) Statista, https://www.statista.com/statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/ (last visited May 08, 2026)
Capacity of pumped storage hydropower worldwide in 2025, by leading country (in megawatts) [Graph], IRENA, March 31, 2026. [Online]. Available: https://www.statista.com/statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/
