In 2024, pumped storage hydropower capacity in the U.S. amounted to approximately 18.9 gigawatts, a slight increase when compared 2022. Pumped hydropower accounted for more than 24,700 megawatts of the energy storage capacity in the U.S. in 2023.
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IRENA. (July 15, 2025). Capacity of pumped storage hydropower in the United States from 2010 to 2024 (in megawatts) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 18, 2026, from /statistics/1031121/pumped-storage-hydropower-capacity-us/
IRENA. "Capacity of pumped storage hydropower in the United States from 2010 to 2024 (in megawatts)." Chart. July 15, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 18, 2026. /statistics/1031121/pumped-storage-hydropower-capacity-us/
IRENA. (2025). Capacity of pumped storage hydropower in the United States from 2010 to 2024 (in megawatts). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 18, 2026. /statistics/1031121/pumped-storage-hydropower-capacity-us/
IRENA. "Capacity of Pumped Storage Hydropower in The United States from 2010 to 2024 (in Megawatts)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 15 Jul 2025, /statistics/1031121/pumped-storage-hydropower-capacity-us/
IRENA, Capacity of pumped storage hydropower in the United States from 2010 to 2024 (in megawatts) ÌÇÐÄÆƽâ°æ, /statistics/1031121/pumped-storage-hydropower-capacity-us/ (last visited July 18, 2026)
Capacity of pumped storage hydropower in the United States from 2010 to 2024 (in megawatts) [Graph], IRENA, July 15, 2025. [Online]. Available: /statistics/1031121/pumped-storage-hydropower-capacity-us/
