Lower Hewa Khola Hydropower Project (21.6 MW)
Lower Hewa Khola Hydropower Project (LHKHPP) (developed by Mountain Hydro Nepal Pvt. Ltd) is located in Panchthar District of Eastern Development Region of Nepal. The project is a run-of-river type in which water will be diverted from the Hewa Khola and the Pheme Khola just upstream of their confluence, by constructing concrete weir at hewa and boulder rip-rap at Pheme. The Combined design discharge of project is 14.838 m3/s with 40% probability of exceedance level will be diverted for power generation through the side intakes located at left banks of Hewa Khola and Pheme Khola respectively. This project utilizes a gross head of 178.09 m in between the intakes at an elevation of 636.09masl and tailwater level 458.00 masl. The total length of the waterways including intakes, approach canals, settling basins, headrace tunnel, penstock pipe and tailrace will be about 6039 m.
Salient Features
|
Name of the project |
Lower HewaKhola Hydropower Project |
|
River |
HewaKhola and PhemeKhola |
|
Type of Scheme |
ROR |
|
Location |
Intakes at Thapatar village and Limbugaunand Powerhouse at Saranta village of Phidim V.D.C. |
Diversion Weir
|
Hewa Khola |
Pheme Khola |
|
|
Type |
Ogee shaped |
Ogee shaped |
|
Material |
Concrete |
Concrete |
|
Height |
5.50 m |
3.456 m |
|
Length |
40 m |
26 m |
Undersluice Hewa Khola Pheme Khola
|
Type |
Orifice flow |
Orifice flow |
Intake
|
River |
Hewa |
Pheme |
|
Type |
Side Intake |
Side Intake |
|
No of orifice |
4 |
2 |
Headrace Tunnel
|
Support type |
Shotcrete and concrete lined |
|
Length |
3969 m |
|
Size |
D-shaped with 3.5 m width & 3.5 m height |
|
Type |
Low pressure flow |
Surge shaft
|
Type |
Circular (Exposed) |
|
Diameter |
5.0 m |
|
Height |
39.01 m |
Powerhouse
|
Type |
Surface |
Tailrace Channel
|
Shape |
Rectangular |
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Maintenance of Upper Bhotekoshi – Lamosangu 132 KV TL
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