As of March 2021, counting close to *** thousand plants, conventional run-of-river hydropower stations were the most common in Japan. This type of hydropower station uses the natural flow of water to generate energy, without using a reservoir.
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ANRE (Japan). (April 11, 2022). Number of fully developed hydropower plants in Japan as of March 2021, by generation method [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 21, 2026, from /statistics/1283447/japan-number-hydropower-plants-my-generation-method/
ANRE (Japan). "Number of fully developed hydropower plants in Japan as of March 2021, by generation method." Chart. April 11, 2022. ÌÇÐÄÆÆ½â°æ. Accessed July 21, 2026. /statistics/1283447/japan-number-hydropower-plants-my-generation-method/
ANRE (Japan). (2022). Number of fully developed hydropower plants in Japan as of March 2021, by generation method. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 21, 2026. /statistics/1283447/japan-number-hydropower-plants-my-generation-method/
ANRE (Japan). "Number of Fully Developed Hydropower Plants in Japan as of March 2021, by Generation Method." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 11 Apr 2022, /statistics/1283447/japan-number-hydropower-plants-my-generation-method/
ANRE (Japan), Number of fully developed hydropower plants in Japan as of March 2021, by generation method ÌÇÐÄÆÆ½â°æ, /statistics/1283447/japan-number-hydropower-plants-my-generation-method/ (last visited July 21, 2026)
Number of fully developed hydropower plants in Japan as of March 2021, by generation method [Graph], ANRE (Japan), April 11, 2022. [Online]. Available: /statistics/1283447/japan-number-hydropower-plants-my-generation-method/