SCI E&C JSC Company, a subsidiary of the general contractor SCI JSC Group in Vietnam, has awarded Voith Hydro a contract for the supply of the complete electromechanical equipment for the 156 MW Nam Sam 3 hydropower plant, being built the northeastern Lao province of Houa-phan. Under the contract, signed on 28 October, Voith will supply three 52 MW Francis turbine units, as well as provide technical services for supervision, installation and commissioning. The project in Xam Tai district is being developed on behalf of Laos investment group Phongsubthavy Group by SCI E&C JSC under an EPC contract signed in September 2019. The hydropower plant, which is planned to be put into operation in June 2023 at a total estimated cost of more than US$ 300 million, is designed to generate average annual output of up to 626 GWh. Output will be exported to Vietnam under the terms of a PPA signed in June 2019 between the Phongsubthavy Group and Vietnam's state electricity supplier EVN. The plant will be connected to the power grid of Vietnam at the 220 kV Nong Cong sub-station in Vietnam's north central province of Thanh Hoa. Construction work began in October 2019 and, according to SCI E&C, as of early November around 16 per cent of the project's RCC dam had been completed, with some 143 690 m~3 of the estimated total volume of roller compacted concrete of 881 649 m~3 already laid. Voith Hydro and SCI E&C have cooperated on a number of hydropower projects in the region, including the Ca Nan 1 and Ca Nan 2 plants totalling 23 MW in the Vietnam's northern coastal province of Nghe An Province, which were commissioned in 2019. In May 2021 Voith Hydro was also contracted by SCI Nghe An Joint Stock Company to provide annual maintenance services at Ca Nan 1 and Ca Nan 2. Under the contract, Voith Hydro will provide monthly remote consulting and diagnosis via a VPN connection, video collaboration and support hotline. It will also carry out remote inspections on the key components, including turbine, generator, automation, governor and balance of plant.
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