Koyna Stage-IV Power House PH01298

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Associated Entities with Powerhouse
#NameType
1Koyna DamDAM
2Koyna Hydroelectric ProjectHydro Electric Project

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Salient Features
#AttributeValue
1Name of PowerhouseKoyna Stage-IV Power House
2Name of Powerhouse Alias
3StateMaharashtra
4BasinWest flowing rivers from Tapi to Tadri
5Hydroelectric BasinWest Flowing Rivers
6Seismic ZoneSeismic Zone-IV
7Hydroelectric Development TypeStorage
8Structure TypeDam
9Position of PowerhouseOthers
10TypeUnderground
11Status of PowerhouseOperational
12Completion Year2000
13Pumped StorageNo
14Operating & Maintainance Agency
15Net Maximum/ Minimum Head (m)525/475
16MDDLMinimum Draw Down Level for Powerhouse (m)609.5
17Annual Design Energy (MU)1402
18Firm Power (MW)138.5
19No. of Turbines4
20Capacity per Turbine (MW)250
21Total Installed Capacity (MW)1000
22Head Class of TurbineHigh (Above 60 m)
23Water Conductor System (km)4.9
24Type of TurbineFrancis
25Turbine MakeAlstom, France
26Rated Head (m)500
27Specific Speed (mhp)93
28Rated Speed (rpm)375
29Generator MakeAlstom, France
30No. of Penstock4
31Length of Penstock (m)638
32Penstock Size (m) - Internal Diameter3.9/3.75
33Design Discharge through each Penstock (cumec)-Flow58.59
34Remarks
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