As of end of 2024, the installed capacity of hydropower in Castile and Leon amounted to approximately 4.4 gigawatts. This was the region with the largest hydropower capacity in Spain, followed by Galicia and Extremadura.
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REE. (April 16, 2025). Hydropower capacity in Spain in 2024, by autonomous community (in megawatts) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 21, 2026, from /statistics/1032474/installed-hydro-power-capacity-by-autonomous-community-in-spain/
REE. "Hydropower capacity in Spain in 2024, by autonomous community (in megawatts)." Chart. April 16, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 21, 2026. /statistics/1032474/installed-hydro-power-capacity-by-autonomous-community-in-spain/
REE. (2025). Hydropower capacity in Spain in 2024, by autonomous community (in megawatts). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 21, 2026. /statistics/1032474/installed-hydro-power-capacity-by-autonomous-community-in-spain/
REE. "Hydropower Capacity in Spain in 2024, by Autonomous Community (in Megawatts)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 16 Apr 2025, /statistics/1032474/installed-hydro-power-capacity-by-autonomous-community-in-spain/
REE, Hydropower capacity in Spain in 2024, by autonomous community (in megawatts) ÌÇÐÄÆÆ½â°æ, /statistics/1032474/installed-hydro-power-capacity-by-autonomous-community-in-spain/ (last visited July 21, 2026)
Hydropower capacity in Spain in 2024, by autonomous community (in megawatts) [Graph], REE, April 16, 2025. [Online]. Available: /statistics/1032474/installed-hydro-power-capacity-by-autonomous-community-in-spain/