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July 2017

TEHRI DAM & HPP (1000 MW)

(UNDER OPERATION)

 

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.

 

2.0 GENERATION

 

    Details of generation from Tehri HPP for the previous years are as under:

 

S.No.

Years

Generation

    Target (MU)

    Achievement (MU)

1

2006-07

888.00

891.37

2

2007-08

2649.00

2663.58

3

2008-09

2649.00

3164.23

4

2009-10

2850.00

2116.79

5

2010-11

2797.00

3116.03

6

2011-12

2797.00

3983.65

7

2012-13

3000.00

3101.99

8

2013-14

2797.00

4060.43

9

2014-15

2900.00

3004.01

10

2015-16

   2920.00

3101.06

11

2016-17

2964.82

3146.23

 

Total

29211.82

32349.37

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Details of generation from Tehri HPP for the current F.Y. 2017-18 are as under:

S.No.

Quarter/ Month

Generation

 

 

    Target (MU)

    Achievement (MU)

1

April’17

155.59

164.23

2

May’17

141.90

176.67

 

Total

(F.Y. 2017-18 target 2976.74MU)

297.49

340.90

 

 

 

 

 

 

 

 

 

3.0 COMPLETION COST

Approved Completion cost of the project is ` 8392.45 Cr. Including IDC plus contingent liabilities on account of arbitration award/ court cases etc, as per actual but not exceeding  ` 967.38 Cr.

 

4.0 TARIFF

The tariff for the period 2006-09 had been approved by Hon’ble Central Electricity Regulatory Commission (CERC) on 16.04.13. THDCIL had filed a review petition on 29.05.14. Hon’ble CERC  has revised upward the AFCs by `19.59 Cr.  For the period 2006-09 vide order dated 05.06.14. The tariff for the period 2009-14 has been issued by Hon’ble CERC on 27.01.15.  

 

 

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