Project Location and Accessibility

Suchhu small hydropower project is a pure run-off the river scheme planned across Jomori.

Field Investigations

Topography survey and mapping was carried out at 1:5000 scale at 5 m contour interval for the whole project area and along the main project components topography survey was carried out at a higher resolution of 1:1000 scale at 1 m contour interval. Geological mapping and geophysics surveys were carried out for ascertaining the geological conditions of the project area. Several stages of field visits were carried out to assess the topographical, geological and environmental & social impact assessment of the project layout.

Project Layout & Features

The project layout has been proposed on the left bank of Suchhu. It envisages a design discharge of 7.43 cumecs, net head of 273 m and corresponding installed capacity of 18 MW. A trench weir is envisaged and the water conductor system entails 1,004 m of underground pipe, 3,560 m of surface pipe, 150 m of inclined surge tube and 475 m of surface penstock pipe. A surface powerhouse is proposed to accommodate E&M equipment.

With an installed capacity of 18 MW, it is expected to generate 76.57 GWh of energy annually which will provide stable back-up power supply system to facilitate self-contained supply flexibility for Haa Dzongkhag and also to create economic activities at grass-roots level and help generate employment and engagement of the people.

Project Contract

The access road construction, Site-I (Phokchiri to Zamtari) & Site III (Tshanglari to Woongthi) was awarded to M/s Chimi RD on October 18, 2023 at total Contract Price of BTN Nu. 143,701,580.00.

The access road construction, Site-II (Zamtari to Tshanglari) was awarded to M/s Rigsar  Construction Private Limited on October 18, 2023 at Contract Price of BTN Nu. 187,610,687.40.