Mangdechhu hydropower project 99% complete
The 720MW Mangdechhu hydropower project will be commissioned beginning 2019.
As of October 31, 2018, 98.99% of the overall physical progress of the project was achieved; 93.98% of the overall financial progress with respect to the third revision cost estimate under approval from the Government of India and 98.82% overall financial progress with respect to the second revision cost estimate.
Managing Director of Mangdechhu Hydropower Project AK Mishra said the Mangdechhu project is in an advanced stage of completion and status of various civil, electro-mechanicals, hydro-mechanical and transmission lines and its ATS are nearing completion.
More than 99.8% of physical progress on dam works has been made, 99.79% on headrace tunnel work and 98.89% on underground power house works, 98.3% on hydromechanical works, 95.8% on electro-mechanical works and transmission line and 100% ATS works.
AK Mishra said the MHPA management is planning to start filling the water conductor system or the headrace tunnel and pressure shafts from December 20, 2018 onwards along with plugging of diversion tunnel.
He also said that unit-1 shall be spun either on December 30 or 31 this year. Synchronization of the first unit within Indian Grid shall take place in the first 10 days of January 2019.
“The full commissioning of all the four machines is scheduled by end of January and beginning of February next year,” said AK Mishra.
Mangdechhu project will export 3bn units every year to India.
He said the project tariff is under discussion between the Government of India and the Royal Government of Bhutan.
The total expenditure incurred as of October 31 this year including advances is around Nu 46bn and expenditure incurred from major contract for dam, headrace tunnel, underground powerhouse, hydro-mechanical, electro-mechanical and transmission lines and its ATS is around Nu 37bn.
Major expenditure was made on construction of the dam amounting to Nu 9bn as of October 31, 2018.
The first revised cost estimate of Nu 40.2bn at 2014 price level was approved by the Government of India, which is an increase of Nu 11,24bn from the initial approved cost of Nu 28.96bn at March 2008 price level. The second revised cost estimate in 2016 price level was Nu 46.72bn.
The project commenced its construction in August 2010.
Initially, it had been scheduled to be commissioned in October or November this year coinciding with the 50th anniversary of the IndoBhutan Friendship.