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Indian POWERGRID completes 220 kV Srinagar–Leh line [free access]

February 4, 2019

Indian grid developer Power Grid Corporation of India Limited (POWERGRID) has completed the Srinagar–Leh Transmission Line Project, and with this the 220 kV Srinagar–Leh–Kargil–Alusteng–Drass Transmission Line has connected the Ladakh region of the Indian state of Jammu and Kashmir (J&K) to the national grid. The Leh–Kargil–Alusteng–Drass section was recently completed by POWERGRID in January 2019.


The construction of the project was initiated in August 2014 by POWERGRID. The INR22.66 billion-worth project will result in minimising the massive use of diesel generating sets during winters,  and will thus help in protecting the environment of the region. 


Built at a height of around 3,000-4,000 metres, the entire project includes an approximately 335 km long transmission line, and four new state-of-the-art 220/66 kV gas-insulated switchgear (GIS) substations built at Drass, Kargil, Khaltsi and Leh. Funding provisions have been in the ratio of 95:05 (95 per cent Government of India share, and 5 per cent J&K state government).


Due to the high altitude, the line will remain covered in snow for nearly six months with the minimum temperature going down to as low as -40 degrees at Drass. Therefore, specially designed tower foundations were constructed with assistance from Snow & Avalanche Study Establishment (SASE) for the project.