Electricity generated from hydropower accounted for around *** percent of the total electric power output in Japan in fiscal year 2023, staying at the same level as the previous fiscal year. The total amount of electricity output of hydropower in fiscal year 2023 amounted to approximately ****Â billion kilowatt hours.
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Statistics Bureau of Japan. (September 19, 2025). Share of hydropower electricity in total electricity generation in Japan from fiscal year 2014 to 2023 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 22, 2026, from /statistics/626307/japan-hydro-electricity-output-share/
Statistics Bureau of Japan. "Share of hydropower electricity in total electricity generation in Japan from fiscal year 2014 to 2023." Chart. September 19, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 22, 2026. /statistics/626307/japan-hydro-electricity-output-share/
Statistics Bureau of Japan. (2025). Share of hydropower electricity in total electricity generation in Japan from fiscal year 2014 to 2023. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 22, 2026. /statistics/626307/japan-hydro-electricity-output-share/
Statistics Bureau of Japan. "Share of Hydropower Electricity in Total Electricity Generation in Japan from Fiscal Year 2014 to 2023." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 19 Sep 2025, /statistics/626307/japan-hydro-electricity-output-share/
Statistics Bureau of Japan, Share of hydropower electricity in total electricity generation in Japan from fiscal year 2014 to 2023 ÌÇÐÄÆÆ½â°æ, /statistics/626307/japan-hydro-electricity-output-share/ (last visited July 22, 2026)
Share of hydropower electricity in total electricity generation in Japan from fiscal year 2014 to 2023 [Graph], Statistics Bureau of Japan, September 19, 2025. [Online]. Available: /statistics/626307/japan-hydro-electricity-output-share/