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Location
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District Kullu, Himachal Pradesh, India
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Construction commenced
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April, 2005
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Commercial Operation Date
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18th September, 2010
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Installed capacity
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192 MW
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Type
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Run of River with pondage
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Annual Design Energy
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699.78 MU in a 90% dependable year.
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Gross Head
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876 m
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Net Head
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858 m
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Design flow
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31 m3/sec
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Name of Stream
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Allain Stream
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Duhangan Stream
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Diversion Structures
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Type
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Gated Barrage
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Trench Weir
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Maximum Water level
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2752.5 m
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2788.0 m
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No. of Spillway bays
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2 nos.
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N.A.
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Width of each bay
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10.0 m
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N.A.
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No. of under sluice bays
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2 nos.
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N.A.
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Width of each under sluice bay
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5.0 m
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N.A.
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Head Regulator
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Width of Head regulator
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17.4 m
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4.3 m
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No. of Bays
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4
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1
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Regulator gates
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4 nos. Vertical lift fixed Wheel
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1 no. Vertical lift fixed Wheel
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Design Discharge
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22.6 cumecs
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8.4 cumecs
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Desilting Arrangement
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No. & Size
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4 nos., 8 m x 80 m
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1 no., Underground,
90 m x 10 m.
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Head Race Tunnel
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Size and type
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4.5 m wide x 4.5m high, circular shaped, concrete lined
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4.5 m wide x 4.5 high, D-shaped, concrete lined
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Intermediate Reservoir
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Live Storage Capacity
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2,25,000 m3
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Surge Shaft
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8 m Dia. x 67m-Length, 6 m Dia. x 30 m-Length
Concrete lined.
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Pressure Shaft
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Length and type
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1524 m long, steel lined, Underground.
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Diameter
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Varies from 3000 mm to 2400 mm
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Power House
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Type
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Underground
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- Main Cavern
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66.5 m (L) x 15.3 m (W) x 33 m (H)
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-Transformer Cavern
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64.5 m (L) x 12.5 m (W) x 12.5 m (H)
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Capacity of EOT Crane
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200/35Tons
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Tail Race
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Type
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Free flow modified horseshoe shaped
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Type & Dimensions
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D-shaped, 885.0 m (L), 4.6 m (W) x 4.6 m (H)
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Power purchase agreement
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Merchant power to northern region clients
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Ownership
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Malana Power Company: 88%, IFC: 12%
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Financing
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IFC and local Indian banks
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Greenhouse gas saving
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Est. 500,000 tonnes p.a.
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