Koyna Stage-I Power House PH01295

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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-I 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 Year1966
13Pumped StorageNo
14Operating & Maintainance Agency
15Net Maximum/ Minimum Head (m)512/457
16MDDLMinimum Draw Down Level for Powerhouse (m)609.5
17Annual Design Energy (MU)1067
18Firm Power (MW)98
19No. of Turbines4
20Capacity per Turbine (MW)65
21Total Installed Capacity (MW)260
22Head Class of TurbineHigh (Above 60 m)
23Water Conductor System (km)5.5
24Type of TurbinePelton
25Turbine MakeNeyrpic France
26Rated Head (m)484.5
27Specific Speed (mhp)
28Rated Speed (rpm)300
29Generator MakeAEG West Germany
30No. of Penstock2
31Length of Penstock (m)616
32Penstock Size (m) - Internal Diameter3.04/2.59
33Design Discharge through each Penstock (cumec)-Flow41
34Remarks
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