The hydropower supply in Japan amounted to around ***Â petajoules in fiscal year 2023, which was a slight decrease compared to ***Â petajoules in the previous fiscal year. Since the country has constructed large-scale hydroelectric facilities at nearly all potential sites, typically at large dams, a further increase in the generation capacity is hardly possible.
Profit from the additional features of your individual account
Currently, you are using a shared account. To use individual functions (e.g., mark statistics as favourites, set
statistic alerts) please log in with your personal account.
If you are an admin, please authenticate by logging in again.
Learn more about how ÌÇÐÄÆƽâ°æ can support your business.
Statistics Bureau of Japan. (September 19, 2025). Hydropower supply in Japan from fiscal year 2014 to 2023 (in petajoules) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/625936/japan-hydro-power-supply/
Statistics Bureau of Japan. "Hydropower supply in Japan from fiscal year 2014 to 2023 (in petajoules)." Chart. September 19, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/625936/japan-hydro-power-supply/
Statistics Bureau of Japan. (2025). Hydropower supply in Japan from fiscal year 2014 to 2023 (in petajoules). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/625936/japan-hydro-power-supply/
Statistics Bureau of Japan. "Hydropower Supply in Japan from Fiscal Year 2014 to 2023 (in Petajoules)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 19 Sep 2025, /statistics/625936/japan-hydro-power-supply/
Statistics Bureau of Japan, Hydropower supply in Japan from fiscal year 2014 to 2023 (in petajoules) ÌÇÐÄÆƽâ°æ, /statistics/625936/japan-hydro-power-supply/ (last visited July 20, 2026)
Hydropower supply in Japan from fiscal year 2014 to 2023 (in petajoules) [Graph], Statistics Bureau of Japan, September 19, 2025. [Online]. Available: /statistics/625936/japan-hydro-power-supply/
