Toshiba Corp. and Nissho Iwai Corp. said Friday they have won a 5 billion yen contract to supply hydroelectric generating equipment for a hydroelectric power project in Vietnam.

The contract has been signed between the two Japanese firms and Electricity of Vietnam, the Vietnamese national power company.

Nissho Iwai is a unit of Nissho Iwai-Nichimen Holdings Corp.

The scope of the contract covers the design, manufacture, installation and commissioning of hydroelectric power generating equipment for the Dai Ninh Hydro Power Station in Binh Thuan Province.

Implementation will start in January and run through December 2007. On completion, the Dai Ninh Hydro Power Station will have a capacity of 300 mw, to be provided by two 150-mw generators.

The project will be funded by an official loan from the Japan Bank for International Cooperation.