In the fiscal year 2022, 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.
Electric power production from hydropower in Japan in fiscal year 2022, by facility
(in terawatt-hours)
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Electric power production from hydropower in Japan in fiscal year 2022, by facility
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fiscal year 2022; 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.
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JEPIC. (March 1, 2024). Electric power production from hydropower in Japan in fiscal year 2022, by facility (in terawatt-hours) [Graph]. In Statista. Retrieved May 15, 2025, from https://www.statista.com/statistics/1231181/japan-hydropower-electricity-generation-by-facility/
JEPIC. "Electric power production from hydropower in Japan in fiscal year 2022, by facility (in terawatt-hours)." Chart. March 1, 2024. Statista. Accessed May 15, 2025. https://www.statista.com/statistics/1231181/japan-hydropower-electricity-generation-by-facility/
JEPIC. (2024). Electric power production from hydropower in Japan in fiscal year 2022, by facility (in terawatt-hours). Statista. Statista Inc.. Accessed: May 15, 2025. https://www.statista.com/statistics/1231181/japan-hydropower-electricity-generation-by-facility/
JEPIC. "Electric Power Production from Hydropower in Japan in Fiscal Year 2022, by Facility (in Terawatt-hours)." Statista, Statista Inc., 1 Mar 2024, https://www.statista.com/statistics/1231181/japan-hydropower-electricity-generation-by-facility/
JEPIC, Electric power production from hydropower in Japan in fiscal year 2022, by facility (in terawatt-hours) Statista, https://www.statista.com/statistics/1231181/japan-hydropower-electricity-generation-by-facility/ (last visited May 15, 2025)
Electric power production from hydropower in Japan in fiscal year 2022, by facility (in terawatt-hours) [Graph], JEPIC, March 1, 2024. [Online]. Available: https://www.statista.com/statistics/1231181/japan-hydropower-electricity-generation-by-facility/
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