fiscal year 2023; the fiscal year in Japan starts on April 1st and ends on March 31st of the following year
Supplementary notes
*Figures for industry-owned generation represent the total amount generated by power plants with a generating capacity of 1,000 kilowatts or above.
Due to the launch of the licensing system in fiscal 2016, certain operators’ electric power generation that had theretofore been counted as for self-consumption has instead been counted as for electricity utilities since fiscal 2016.
Citation formats
Electricity generation from hydropower Japan FY 2023, by facility
In the fiscal year 2023, the majority of hydroelectric power in Japan was produced by electric utilities, while only a small amount was produced by industry-owned facilities. Hydropower represented the largest renewable energy source in Japan.
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JEPIC. (July 28, 2025). Electric power production from hydropower in Japan in fiscal year 2023, by facility (in terawatt-hours) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/1231181/japan-hydropower-electricity-generation-by-facility/
JEPIC. "Electric power production from hydropower in Japan in fiscal year 2023, by facility (in terawatt-hours)." Chart. July 28, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/1231181/japan-hydropower-electricity-generation-by-facility/
JEPIC. (2025). Electric power production from hydropower in Japan in fiscal year 2023, by facility (in terawatt-hours). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/1231181/japan-hydropower-electricity-generation-by-facility/
JEPIC. "Electric Power Production from Hydropower in Japan in Fiscal Year 2023, by Facility (in Terawatt-hours)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Jul 2025, /statistics/1231181/japan-hydropower-electricity-generation-by-facility/
JEPIC, Electric power production from hydropower in Japan in fiscal year 2023, by facility (in terawatt-hours) ÌÇÐÄÆƽâ°æ, /statistics/1231181/japan-hydropower-electricity-generation-by-facility/ (last visited July 24, 2026)
Electric power production from hydropower in Japan in fiscal year 2023, by facility (in terawatt-hours) [Graph], JEPIC, July 28, 2025. [Online]. Available: /statistics/1231181/japan-hydropower-electricity-generation-by-facility/
