Start of InvestigationJanuary 1948
Start of ConstructionAugust 1956
Date of OperationMay 1960
Installed Capacity100,000 KW ( 4 x 25,000 KW)
Energy Capability516,000,000 KWH
Drainage area at dam site936 KM2
Gross head155 m
Maximum Discharge838 cms
Minimum Discharge9.8 cms
Maximum Reservoir LevelElev. 579.50 m.a.s.l.
Minimum Reservoir LevelElev. 555.00 m.a.s.l.
Usable Storage48.2 MCM
Total at FSL22.83 MCM
Present MSL @ 563 m.a.s.l.5.27 MCM
Live Storage (MSL to FSL)17.56 MCM