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November 24, 2021

Okumino, Japan

By Carmen

Okumino is a 1,554MW hydro power project. It is located on Itadorigawa river/basin in Gifu, Japan. The project is currently active. It has been developed in multiple phases. The project construction commenced in 1976 and subsequently entered into commercial operation in 1994.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 1,554 1,554 Active Gifu, Japan


The project is currently owned by Chubu Electric Power.

Okumino is a pumped storage project. The hydro reservoir capacity is 17.2 million cubic meter. The net head of the project is 486m.

The project consists of 6 generators.

Development Status

The project construction commenced in 1976 and subsequently entered into commercial operation in 1994.

Contractors Involved

Toshiba Energy Systems and Solutions was selected as the turbine supplier for the hydro power project. The project consists of 6 units of Francis turbines, each with 259MW nameplate capacity.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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