Khanikhola-1 Hydro Power

Khanikhola -1 Hydropower Project is a run of the river project located in Marbu Village Development Committee, Dolakha District with the hydropower  intake located at the highest elevation of 3338 m in Nepal . The construction was initiated in 2011. Greenlife Hydropower Ltd. and manages the overall construction of the project. The civil, hydro-mechanical and electromechanical work is 90 % complete and is in the last phase of completion with installation of EM and final concreting. During the last 11 years natural disasters including the frequent flood and April 2015 earthquake as well as political instability in the country has caused a major impact which consequently led to the delay in project execution. These unexpected calls were dealt cautiously and carried further.

Project location

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Khani Khola Hydropower

Salient features of the project

General

Name of Project Khani Khola 1 Hydropower Project
River Khani Khola
Type of Scheme Run-of-River
Location Marbu VDC, Dolakha District

HYDROLOGY

Catchment Area 76 sq. km.
Design Discharge (40 percentile flow) 5.1 cubic m per sec

DIVERSION WEIR

Type Ogee Shape
Normal Water Level 3388.00 m amsl
Height 3 m
Length 8 m

DESANDER

Support Type Shotcrete and Concrete Lined
Length 1950 m
Size 2.2 m x 2.2 m D-Shaped
Type Pressure Flow

SURGE SHAFT

Shape Circular
Diameter 5 m
Height 32.2 m
Normal Water Level 3382.32 m amsl
Maximum Upsurge Level 3395.62 m amsl
Minimum Downsurge Level 3375.04 m amsl

UNDERGROUND PENSTOCK-INCLINED & HORIZONTAL

Internal Diameter 1.2 - 1.3 m
Length 1470 m
Thickness 12 to 26 mm

POWERHOUSE

Type Underground
Size 46(L) x 12(W) x 16(H)
Turbine Centre Line Elevation 2425 m
Type of Switchyard Outdoor

MAIN ACCESS TUNNEL

Turbine Pelton
No. of Units 3
Turbine Speed 750 rpm

POWER AND ENERGY

Installed Capacity 40 MW
Gross Head 963 m
Net Head 940 m
Annual Energy Generation 229.50 GWh
Annual Dry Energy 33.53 GWh
Annual Wet Energy 195.97 GWh
Plant Factor 65%