Toyomi is a 122.8MW hydro power project. It is located on Agano river/basin in Niigata, Japan. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It has been developed in multiple phases. Post completion of construction, the project got commissioned in 1929. Buy the profile here.


The project is currently owned by Tohoku Electric Power.

The hydro reservoir capacity is 18.67 million cubic meter. Toyomi underwent through rehabilitation & modernization during 2013.

The Toyomi (Toyomi 2) has 1 electric generator installed at the site.

Development status

The project got commissioned in 1929.

Contractors involved

Toyomi (Toyomi 1) is equipped with Voith Fuji Hydro K. K bulb turbines. The phase consists of 2 turbines with 31.4MW nameplate capacity.

Toyomi (Toyomi 2) is equipped with Voith Siemens Hydro Power Generation kaplan turbine. The phase consists of 1 turbine with 61MW nameplate capacity.

Voith Fuji Hydro K. K supplied 2 electric generators for the Toyomi (Toyomi 1). The generator capacity is 31.4 MVA.

For more details on Toyomi, buy the profile here.


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.