Okutadami is a 560MW hydro power project. It is located on Sodesawa river/basin in Fukushima, Japan. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It has been developed in a single phase. The project construction commenced in 1953 and subsequently entered into commercial operation in 1960. Buy the profile here.


The project is developed and owned by Electric Power Development.

The hydro reservoir capacity is 601 million cubic meter. The net head of the project is 164.2m.

The hydro power project consists of 3 turbines, each with 120MW nameplate capacity.

The hydro power project consists of 1 turbine with 200MW nameplate capacity.

The project has 1 electric generator installed at the site. The generator capacity is 223 MVA.

Development status

The project construction commenced in 1953 and subsequently entered into commercial operation in 1960.

Contractors involved

Toshiba Hydro Power (Hanzhou) supplied 3 electric generators for the project. The generator capacity is 133 MVA.

For more details on Okutadami, buy the profile here.

About Electric Power Development

Electric Power Development Co Ltd (J-Power) is a wholesale electric utility that supplies hydroelectric and thermal power. It owns and operates a network of hydroelectric, thermal, wind and geothermal power plants. The company provides electricity and transmission services to major electric power companies in Japan. It constructs and operates power transmission and transforming facilities. J-Power’s other activities comprises environmental, telecommunications, overseas generation investment, consulting, selling of coal and resource management. The company owns and operates power generation facilities in several countries including Thailand, the US, and China. J-Power is headquartered in Chuo-ku, Tokyo, Japan.


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

This information is drawn from GlobalData’s Power Intelligence Center, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide from announcement through to operation across all technologies and countries worldwide.