Hydro capacity accounted for 16.3% of total power plant installations globally in 2022, according to GlobalData, with total recorded hydro capacity of 1,387GW. This is expected to contribute 11.7% by the end of 2030 with capacity of installations aggregating up to 1,557GW. Of the total global hydro capacity, 3.66% is in Japan. Listed below are the five largest active hydro power plants by capacity in Japan, according to GlobalData’s power plants database. GlobalData uses proprietary data and analytics to provide a complete picture of the global hydro power segment. Buy the latest hydro power plant profiles here.

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1. Okutataragi

The Okutataragi is a 1,932MW hydro power project located in Hyogo, Japan. Post completion of construction, the project was commissioned in 1974. Kansai Electric Power own the project. Buy the profile here.

2. Okukiyotsu

The 1,600MW Okukiyotsu hydro power project is located in Niigata, Japan. Electric Power Development has developed the project. It was commissioned in 1978. The project is owned by Electric Power Development. Buy the profile here.

3. Okumino

The Okumino is a 1,554MW hydro project. Chubu Electric Power owns the project. It was commissioned in 1994. It is located in Gifu, Japan. Buy the profile here.

4. Okawachi

The Okawachi hydro project with a capacity of 1,280MW came online in 1992. Kansai Electric Power have the equity stakes in the project. It is located in Hyogo, Japan. Buy the profile here.

5. Shintakasegawa

The Shintakasegawa has been operating since 1979. The 1,280MW hydro project is located in Nagano, Japan. Tokyo Electric Power Co have the equity stakes in this project. Buy the profile here.

For more details on the latest hydro power plants, buy the project profiles here.

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GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.  

This information is drawn from GlobalData’s Power Plants database, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide.