SHANAN POWER HOUSE, PSEB, JOGINDER NAGAR (110 MW)

INTRODUCTION:

110 MW Shanan Project is the most picturesque project in the beautiful surroundings of Himalayan ranges. It is situated in the Himachal Pradesh at an approximately longitude of 76 degree 51' East and latitude of  32 degree 2' North. It takes advantage of two small rivulets at an altitude of about 6000 ft., in Brot valley. The idea of harnessing a power potential of 4X12 MW (48 MW) initially was envisaged by Col. Battye, the then Chief  Engineer of Govt. of Punjab in 1922. This 48 MW Stage -I Project was constructed at the initial cost of Rs. 2,53,43,709/- and commissioned in 1932 and was officially opened by His Excellency, The Viceroy of India at Shalimar Receiving Station, Lahore on 10-th March, 1933.
  Shanan Project came in to being based on an agreement made on 3rd March, 1925 between Secretary of State for India in Council of the one part and Lieutenant His Highness Raja Joginder Sen Bahadur, Raja of Mandi of the of the part.
During reorganization of States Punjab, Haryana and Himachal Pradesh which took place in 1966 as per provision contained in Punjab re-organisation Act, 1966. Under this act Shanan Power House situated at Jogindernagar (Mandi) in the State of Himachal Pradesh was allocated to Punjab State by The Government of India, Ministry of Irrigation & Power. The objection raised by Himachal    pradesh in this regard stands clarified by The Government of India  vide letter dated 2nd March, 1972 reaffirming the allotment of Shanan Power House in favour of Punjab State.
Shanan Power House, Stage-I of 4X12 = 48 MW was uprated to 4X15 = 60 MW in 1982. The uprated machines were  finally commissioned in December, 1982.

SHANAN EXTENSION PROJECT (50 MW).

As originally conceived by Col. Battye, the extension of the Stage-I  of this  Project was proposed by constructing an additional unit of 50 MW. This extension work consisted of a new extended reservoir at Brot, laying of new penstock for 50 MW and construction of new power house building. Finally this project with unit of 50 MW supplied by M/s BHEL was commissioned in March, 1982.

SALIENT FEATURES OF SHANAN POWER HOUSE

Sr. No.

Description

Shanan 1st Stage

Shanan Extension

1.

Rating of each unit

15 MW

50 MW

2.

No. of units at PH

4 Nos.

1 No.

3.

Manufacturer of Turbine

GANZ MAVAG, Hungary

GANZ MAVAG, Hungary

4.

Turbine out put

21800 HP

70000 HP

5.

Type of Turbine

Pelton wheel

Pelton wheel

6.

Generation voltage

11,000V

11,000V

7.

Max Net Head

548 M

548 M

8.

Min. Net Head

446 M

481.6 M

9.

Generator Type

Horizontal Shaft

Vertical shaft

10.

Speed of Turbine in RPM

428.5

375

DETAIL OF STEP -UP TRANSFORMERS

No. of T/Fs Voltage  Ratio in use MVA Capacity
(MVA)

Aggregate capacity
(MVA)

(6+1)x12
(3+1)x1
(3+1)x6
1x6

11/132
11/132
132/66
11/33

12
19
6
5

12x6  =  72
19x3  =  57
6x3  =  18
5x1  =  5

Total

152 MVA

GENERATION ACEIVEMENTS (In MUs):

Sr. No.

Year

Generation
(In MUs)

1.

1982-83

424.896

2.

1983-84

540.674

3.

1984-85

470.209

4.

1985-86

521.016

5.

1986-87

530.903

6.

1987-88

517.389

7.

1988-89

567.361

8.

1989-90

538.650

9.

1990-91

573.176

10.

1991-92

577.252

11.

1992-93

591.523

12.

1993-94

512.253

13.

1994-95

533.594

14.

1995-96

551.697

15.

1996-97

507.401

16

1997-98

600.019

17.

1998-99

637.183

18.

1999-2000

506.507

19.

2000-2001

487.703

20.

2001-2002

473.110

21.

2002-2003

469.279

22.

2003-2004

564.205

23.

2004-2005

515.474

24.

2005-2006

508.950

25.

2006-2007

495.666

26
2007-2008 540.416
27
2008-2009 531.52
28
2009-2010 510.54
29
2010-2011 597.98
30
2011-2012 517.305
31
2012-2013 439.282
32
2013-2014 355.87
33
2014-2015 507.80
34
2015-2016 532.62

Shanan Hydel Project achieved the record generation of 637.18 MUs in the year1998-99 since its commissioning, which was the milestone in the history of Shanan Hydel Project. Again this power house produced 597.98MUs during 2010-11 which is a record generation in the last 10 years. This is a unique case of an eighty year old Hydel Power House running effectively and giving in its full rated capacity



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