As of June 2022, the electricity generation of hydropower plants in Toyama prefecture amounted to over * million kilowatt hours, making it the prefecture with the highest hydropower electricity generation. In contrast, the electricity generation of hydropower plants in Shiga prefecture amounted to only * kilowatt hours.
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METI (Japan). (October 24, 2022). Electricity generation of hydropower plants in Japan as of June 2022, by prefecture (in million kilowatt hours) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 25, 2026, from /statistics/1285312/japan-hydropower-stations-electricity-production-by-prefecture/
METI (Japan). "Electricity generation of hydropower plants in Japan as of June 2022, by prefecture (in million kilowatt hours)." Chart. October 24, 2022. ÌÇÐÄÆÆ½â°æ. Accessed July 25, 2026. /statistics/1285312/japan-hydropower-stations-electricity-production-by-prefecture/
METI (Japan). (2022). Electricity generation of hydropower plants in Japan as of June 2022, by prefecture (in million kilowatt hours). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 25, 2026. /statistics/1285312/japan-hydropower-stations-electricity-production-by-prefecture/
METI (Japan). "Electricity Generation of Hydropower Plants in Japan as of June 2022, by Prefecture (in Million Kilowatt Hours)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 24 Oct 2022, /statistics/1285312/japan-hydropower-stations-electricity-production-by-prefecture/
METI (Japan), Electricity generation of hydropower plants in Japan as of June 2022, by prefecture (in million kilowatt hours) ÌÇÐÄÆÆ½â°æ, /statistics/1285312/japan-hydropower-stations-electricity-production-by-prefecture/ (last visited July 25, 2026)
Electricity generation of hydropower plants in Japan as of June 2022, by prefecture (in million kilowatt hours) [Graph], METI (Japan), October 24, 2022. [Online]. Available: /statistics/1285312/japan-hydropower-stations-electricity-production-by-prefecture/