The run-of-the-river hydroelectric plant constructed on Mangdechhu river in Bhutan has a gross head of 692 meter, with four numbers Pelton Turbines generating 720 MW from the project. The project has been executed under difficult terrain conditions with limited road connectivity as well as frequent disruptions during monsoons.
BHEL has accomplished major milestones with the successful execution of the project. This Pelton turbine is the highest rating vertical turbine, designed, manufactured and supplied by BHEL outside India. The state-of-the-art Valmet DNA-based plant controls have also been deployed by BHEL for the first time for a Hydro Power project outside India.
BHEL has already executed major projects like Chhukha, Kurichu and Tala in Bhutan till date and with commissioning of the 4x180 MW Mangdechhu project, its total contribution has gone upto 90% of the installed capacity in Bhutan. BHEL is presently executing export orders for 6x200 MW Punatsangchhu-I and 6X170 MW Punatsangchhu-II hydro power projects, which once commissioned, would take its share to 93% of the total power generation capacity of Bhutan.
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