Hydel Generation • Salient Features • Power Stations • Performance • Mangla Dam
• Tarbela Dam • Warsak Dam • Chashma Hydropower Project

Chashma Hydropower Project

Introduction
Chashma Hydropower Project is located on the right abutment of Chashma Barrage. The barrage is located on the Indus River near the village Chashma in Mianwali District, about 304 k.m. North West of Lahore. The project has been estimated at Rs.17, 821.77 million including foreign exchange component of Rs.9264.25 million.

The installed capacity of power Station is 184 MW comprising of 8 bulb type turbine units each of 23 MW capacity. The bulb turbines have been installed for the first time in Pakistan. The first unit was commissioned in January 2001, while final commissioning of all units was completed in July 2001.

Salient features/ Principal data of main components of Chashma Hydropower Project

Reservoir

Maximum pond level 649 ft.
Normal pond level 642 ft.
Minimum pond level 637 ft.

Power House
Turbine (bulb type) 1-8
Make Fuji, Japan
Output (each) 23 MW
Rotation Speed 85.7 RPM
Runner Dia 21 ft.
Discharge/unit 8829 cfs.
Head available 13 to 38 ft.
Rated Head 27.4 ft.

Generators
Make Fuji, Japan
Output 23 MW
Voltage 11KV

Transformres
Make GEC, Alsthom France
Capacity 26 MVA
Voltage 11/132 KV.

Project Benefits

Apart from effective water management through barrage; Chashma Hydropower Project has generated 7096.153 Million KWh of cheap Hydel Energy since commissioning.  Annual Generation in 2007-08 was 987.494 Million KWh while the station shared peak load of 184 MW.
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