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Trung Son hydropower project
Trung Son hydropower project is located at Trung Son commune on the Ma river in Thanh Hoa province, in Northwest Vietnam, approximately 9.5 km from the Laos border.

It is a multipurpose dam and reservoir project providing both power generation and flood control benefits. The project has been in preparation for over two years and three alternative sites were studied before choosing Trung Son as the one that would cause least social and environmental impact.

The dam will have a power plant with an installed capacity of 260 MW. This will provide a significant addition to the national grid, which will be extended to electrify new resettlement areas and upgrade supply to affected villages. The project will also control annual flooding downstream by using 112 million m3 of the reservoir’s capacity to regulate floods. Other environmental benefits include reduction of GHGs that would have been released from a fossil-fuel based plant of the same size.

In addition to the dam, other civil works include a 20.4 km access road from Co Luong in Hoa Binh province to the dam site at Co Me village in Thanh Hoa province, a 65 km transmission line and a temporary construction work camp for 4000 workers.

Key project characteristics:

Basin area – 13.1 km2 Reservoir volume – 348.5 million m3   Crest length – 513 m    Height of dam – 84.5 m

The key dates for implementation are set out in the table below. These dates are based on pre-appraisal estimates by the project management board with modifications based on the best current judgment of the task team:

Planned Timetable: Milestone(Forecast): Road construction start – 2011; Site preparation –  2012; Main Work Starts – 2013; Dam impoundment – 2017; First turbine commissioned– 2017; Completion – 2018. for more information,please click to: http://trungsonhp.vn/en/index.php/content/home/en/home.html