India firm wins contract to build Bhutan’s 114-MW Dagachhu

Dagachhu Hydro Power Corp. Ltd. has awarded a contract to India’s HCC for civil construction of the 114-MW Dagachhu hydroelectric project on Bhutan’s Dagachhu River.

The engineering and construction company said July 9, 2009, that it received a contract worth 3.875 billion rupees (US$79.7 million) for construction of a diversion weir, channel and tunnel to desilter, desilter, shafts, powerhouse and transformer caverns, maintenance and control buildings, and tailrace tunnel. (HydroWorld 8/12/08) The work is to be completed in 1,239 days.

The Bhutan Ministry of Energy awarded a contract in 2007 to Pricewaterhouse Coopers Pvt. Ltd. (India) in association with Nippon Koei Co. Ltd. (Japan) to help prepare a Bhutan Power Development project that included Dagachhu. (HydroWorld 4/20/07)

The run-of-river Dagachhu project is to export power to India on a 1,200-kilometer transmission line built to deliver power to India’s eastern region from the 1,020-MW Tala project, which Bhutan brought on line in 2006 with India’s assistance. (HydroWorld 7/22/08) The Dagachhu River is a tributary of the Punatsangchhu River that feeds the Brahmaputra River in India.

HCC won a 6.68 billion rupee (US$135.3 million) contract in April for major civil works at Bhutan’s 1,200-MW Punatsangchhu 1 hydroelectric project. (HydroWorld 4/30/09) The project is being developed by Punatsangchhu-I Hydroelectric Project Authority, a joint venture of the governments of India and Bhutan.

“HCC has recently built the Tala hydroelectric power project, which is the largest hydroelectric project in Bhutan,” HCC President Vinayak Deshpande said. “With this order we further strengthen our ties with the people of Bhutan.”

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