Okukiyotsu is a 1,600MW hydro power project. It is located on Tashiro 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. The project construction commenced in 1972 and subsequently entered into commercial operation in 1978. Buy the profile here.

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Description

The project is developed and owned by Electric Power Development.

Okukiyotsu is a pumped storage project. The hydro reservoir capacity is 13.5 million cubic meter.

The Okukiyotsu (Okukiyotsu Unit 1) has 1 electric generator installed at the site. The generator capacity is 308 MVA.

Development status

The project construction commenced in 1972 and subsequently entered into commercial operation in 1978.

Contractors involved

Okukiyotsu (Okukiyotsu 1) is equipped with Hitachi Mitsubishi Hydro francis turbines. The phase consists of 4 turbines with 260MW nameplate capacity.

Okukiyotsu (Okukiyotsu Unit 1) is equipped with Toshiba Energy Systems and Solutions francis turbine. The phase consists of 1 turbine with 308MW nameplate capacity.

Okukiyotsu (Okukiyotsu Unit 2) is equipped with Toshiba Energy Systems and Solutions francis turbine. The phase consists of 1 turbine with 310MW nameplate capacity.

Hitachi Mitsubishi Hydro supplied 4 electric generators for the Okukiyotsu (Okukiyotsu 1). The generator capacity is 280 MVA.

Toshiba Energy Systems and Solutions supplied 1 electric generator for the Okukiyotsu (Okukiyotsu Unit 2). The generator capacity is 345 MVA.

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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, solar, biomass, 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 comprise environmental, telecommunications, 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.

This content was updated on 22 April 2024

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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.