A run-of-river scheme designed with a gross head of 286.8 m and net head of 274.66 m, the project delivers an installed capacity of 42 MW, generating an average annual energy output of 243.587 GWh.
Particulars | Features |
---|---|
Location | Annapurna Rural Municipality, Kaski District, Gandaki Province, Nepal |
Type of project | Run-of- river |
Gross / net head | 286.8 m / 274.66m |
Design discharge | 17.4 m3/sec |
Installed capacity | 42 MW |
Annual Energy | 243.587 GWh (after outage) |
Principal civil structures | |
Diversion Weir | 6m high, 30 m long concrete weir with overflow spillways, each with 7.0 m wide and 13.5 m high radial gates |
Undersluice | One under sluice flushing channel with a radial gate of size 6m wide and 6m high |
Intake | Four numbers of side intake with size 3 m wide and 3 m high with rope drum-type hoist |
Desanding Basins | Two Surface Desander, each 90 m long, 10 m wide, and 9.2 m high |
Headrace Tunnel | 5968 m long, Modified Horseshoe-shaped, 3.5 m internal dia., 1048m concrete lined and 4920m shotcrete lined |
Surge Tank | 10 m dia., 43.6 m high, restricted orifice type |
Vertical Shaft / Horizontal High -Pressure Pipe | 246.24 m long, 2.35 m dia., circular steel-lined /597.30m long,2.35m dia., D-shaped tunnel |
Adit Tunnels | Two Adit Tunnels, with a total length of 287 m |
Powerhouse | Surface/Semi Surface structure, 36 m long, 15 m wide, 28.3 m high |
Switchyard | 50 m long and 47 m wide |
Tailrace | 96 m long, comprising a 4 m wide and 2.4 m high Box Covered Canal. |
Turbine | Vertical Pelton, 2 x 21 MW |
Generator | 11kV voltage, Synchronous type with 24.7 MVA Rated output |
Transmission Line | 132 kV, 11.5 km single circuit from UMAHEP Powerhouse to New Modi Substation |