THDC India Limited (formerly known as Tehri Hydro Development Corporation Ltd.), is a Joint Venture of Govt. of India and Govt. of Uttar Pradesh.

The Corporation has grown into a multi-Project Organisation, with Projects spread over various States as well as neighbouring Country, Bhutan.

THDCIL presently has 16 projects totaling to an installed capacity of 8,796 MW under various stages of implementation / development.

Total installed capacity of THDCIL presently is 1,400 MW. THDCIL has two generating stations namely Tehri Stage-I (4x250 MW) and Koteshwar HEP (4x100 MW).

THDCIL is consistently profit making company since the commissioning of Tehri Dam & HPP in the year 2006-07. THDCIL is a dividend paying company since 2007-08.

The initial mandate of THDCIL was to develop, operate and maintain the 2,400 MW Tehri Hydro Power Complex (comprising of 1000 MW Tehri Dam & HPP, 1000 MW Tehri Pumped Storage Plant & 400 MW Koteshwar HEP) and other Hydro Projects

Latest project Completed

TEHRI DAM & HPP (1000 MW)

Tehri Dam & HPP (1000 MW) comprises a 260.5 M high Earth & Rockfill dam which is one of the highest dams of its type in the world, a Spillway System designed for PMF of 15540 cumecs and a drop of 220m, having one Chute Spillway and four Shaft Spillways and an underground Power House housing four Turbine/ Generator sets of 250 MW each, designed to operate with a head variation of 90 m.

Commissioning Of Project

All four units (Unit-IV, Unit-III, Unit-II & Unit-I) were synchronized with the Northern Grid in July’ 06, Oct’06, Jan’07 & Mar’07 and are in commercial operation w.e.f. 22nd Sep’06, 9th Nov’06, 30th March’07 & 9th July’ 07 respectively.