Uma oya

Type of Contranct: E.P.C
Location: The Nuwara Eliya and Badulla districts in the central hill country, Bandarawela City, 200km of Kolombo
Type of Power House:Underground
Capacity: 120MW (2*60), 145 MCM/Year Trans Basin Water Conveyance
Average Annual Power Generation: 290 Gwh
Turbine: Pelton, Vertical 600 rpm
Generators: Synchronous type, 10.5 KV
Inlet Valve: Spherical, 1.1 inner outlet dim
Governor: hydraulic with digital PIC controller
Transformer: 3 phase unit step up transformers, 76 MVA
Switchyard: 132 KV
Transmission Line: 22.7 km
Dam Type: RCC
Height of Dams: 38m and 42.5m
Reservoirs Link Tunnel Length: 3750m
Headrace (power) Tunnel Length: 15.54km
Vertical Pressure Shaft (with steel lining) height: 595m
: 70m*18m*36m
Tailrace Tunnel Length: 3650m