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 ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /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. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/
IRENA. (2026). Capacity of pumped storage hydropower worldwide in 2025, by leading country (in megawatts). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/
IRENA. "Capacity of Pumped Storage Hydropower Worldwide in 2025, by Leading Country (in Megawatts)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Mar 2026, /statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/
IRENA, Capacity of pumped storage hydropower worldwide in 2025, by leading country (in megawatts) ÌÇÐÄÆƽâ°æ, /statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/ (last visited July 27, 2026)
Capacity of pumped storage hydropower worldwide in 2025, by leading country (in megawatts) [Graph], IRENA, March 31, 2026. [Online]. Available: /statistics/689667/pumped-storage-hydropower-capacity-worldwide-by-country/
