Power Station

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Main Dam

Contractor:
A Consortium of 8 Companies led by
Guy F. Atkinson Co. (USA)
Consultants:
Binnie & Partners (UK)
Harza Engineering Co. International (USA)
Preece Cardew & Rider (UK)

Total Cost: US $ 435 Million
Resettlement Cost: US $ 90 Million

Spillway

MANGLANEW 4

Description	Main Spillway		Emergency Spillway
	Before Raising	After Raising	Before Raising	After Raising
Type	Submerged orifice		weir
Max discharge	870000 cfs	945300 cfs	230000 cfs		230000 cfs
Type of gates	Radial Type	Radial Type	Free fall		Free fall
No of Gates	09	09	Nil		Nil
No of Chutes	02	02	Nil		Nil
Sill level	1080 ft SPD	1091 ft SPD	1208 ft SPD	1243 ft SPD

General Power Information

ManglaPower

No. of Generating Units	10
Rated Capacity per Unit	100 MW each
Total installed Capacity	1000 MW
Generation Voltage	13.2 KV
Rated Head	295 Ft.
Rated Discharge( 10 Units)	45000 Cfs

Commissioning Dates

Units No	Commissioning
1	03-07-1967
2	14-07-1967
3	07-03-1968
4	17-06-1969
5	29-12-1973
6	11-03-1974
7	25-05-1981
8	22-07-1981
9	24-09-1993
10	06-07-1994

During the higher reservoir level period, Mangla is able to generate 1150 MW against the rated capacity of 1000 MW due to permissible overloading of 15% whereas the capacity reduces to about 496 MW in the lean flow period (winter season) due to low reservoir level.

In Pictures