Tungabhadra Dam Power House PH01435

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Associated Entities with Powerhouse
#NameType
1Tungabhadra DamDAM
2Tungabhadra Hydroelectric Project Hydro Electric Project

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Salient Features
#AttributeValue
1Name of PowerhouseTungabhadra Dam Power House
2Name of Powerhouse Alias
3StateKarnataka
4BasinKrishna
5Hydroelectric BasinEast Flowing Rivers
6Seismic ZoneSeismic Zone-II
7Hydroelectric Development TypeStorage
8Structure TypeDam
9Position of PowerhouseDam Toe
10TypeSurface
11Status of PowerhouseOperational
12Completion Year1964
13Pumped StorageNo
14Operating & Maintainance Agency
15Net Maximum/ Minimum Head (m)49.39/29.72
16MDDLMinimum Draw Down Level for Powerhouse (m)482.66
17Annual Design Energy (MU)130
18Firm Power (MW)11
19No. of Turbines4
20Capacity per Turbine (MW)9
21Total Installed Capacity (MW)36
22Head Class of TurbineLow (Less than 15 m)
23Water Conductor System (km)
24Type of TurbineKaplan
25Turbine MakeU1 U2:- Escher Wyss Switzerland, U3 U4 :- Hitachi Jap
26Rated Head (m)41.92
27Specific Speed (mhp)
28Rated Speed (rpm)214
29Generator MakeU1 U2:- BBC Swiss, U3 U4 :- Toshiba Jap
30No. of Penstock4
31Length of Penstock (m)45.4
32Penstock Size (m) - Internal Diameter3.35
33Design Discharge through each Penstock (cumec)-Flow44
34Remarks
The Right bank power house is located at the foot of the dam. The gross head available at the dam power house for power generation varies from 13 to 26.8 meter. The main objective of the project being irrigation, electricity generation is dependent on the water releases made for irrigation in the RBLLC and river assistance to the RDS and the KC canal. During rainy season especially when the reservoir is nearing full reservoir level or is overflowing, generation at full capacity of 36 MW is done at the dam power house drawing water at the rate of 160.27 cumec with maximum differential head of 26.8 meter.

Tungabhadra Dam Toe Power House.jpg

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