Sikkim Power Transmission Ltd. is a Joint Venture of Sikkim Urja Ltd. (SUL) and Power Grid Corporation of India Ltd. (PGCIL - A Govt. of India Enterprise). SUL holds 69.08 % equity shares of SPTL while PGCIL holds 30.92 %. The Company was incorporated on 10th August, 2006.
The entire 400 kV Transmission Line from 1200 MW Teesta-III HEP to Kishanganj of 215 Kms along with the 2 Nos. of associated bays and 2 Nos. of reactor are into commercial operations. The Project of the Company has achieved its Commercial Operation Date (COD) on 13th February, 2019.
With its pool of knowledge based professionals, Sikkim Power Transmission Ltd. has the capability to carry out complete array of activities in Engineering and Management of transmission.
Sikkim Power Transmission Ltd. possess latest Software and vast Engineering Data Bank with Technical Library for referring critical Engineering aspects and Engineering studies and takes total responsibility till satisfactory completion of the assignment.
Team shall be the best talents available with Sikkim Power Transmission Ltd..
The company employs professionals (engineering, commercial, graduates & post graduates). The engineering team possesses an average experience of more than 20-25 years.
Sikkim Power Transmission Ltd. in association with its engineering consultant, has successfully developed and type tested 3 types of towers for 400kV quadruple moose transmission line for altitude more than 1000m above mean sea level, which is first of its kind in the country.
SPTL has successfully type tested 420kV voltage class long road composite insulators withstanding lighting impulse voltage level of 1821kV & switching impulse voltage level of 1234kV to fulfill insulation level for maximum altitude of 2300m above mean sea level, which is first of its kind in the country.
The Company has installed towers for 400kV quadruple moose transmission line with 6m differential & with provision of 9m chimney extension making total height difference of 15m between two legs of tower for altitude of more tha 1000m above sea level, which is first of its kind in the country.
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