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.
Project was commissioned in 2006-07 and all four machines of Tehri HPP are under commercial operation. Besides providing much needed power to the Northern Grid, the command area is availing irrigation benefits from the Project and drinking water is being supplied to Delhi and UP.
1.0 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.