About
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Yambling Hydropower Company Limited (YHCL) is now constructing “YamblingKhola Hydropower Project” with 7.27 MW installed capacity at Gomba VDCs of Sindhupalchowk district of Central Development Region of Nepal. The Developer had concluded connection agreement along with power purchase agreement (PPA) with NEA having Required Commercial Operation Date (RCOD) of 16 Falgun 2078 with all required agreement and license is in place now.
Message from the chairperson
Our company has made tremendous progress in the past three years. We have streamlined our operations, cleaned our books of accounts, and updated the Company as per prevailing legal and compliance requirements. To cap it all off, we were able to conduct a fair process to elect the Directors for the next coming years.
Susan Karmacharya
(Chairperson)
Team Members
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Susan Karmacharya
(Chairperson)
Nara Hang Rai
(Director)
Indra Maya Tamang
(Director)
Roshan Shah
(Director)
Kosh Raj Onta
(Director)
Udidham Bahadur Devkota
(Director)
Yam Kumar Khadka
(Director)
PROJECT SALIENT FEATURES
Project Name: YambalingKhola Hydropower Project
Development Region: Central Development Region
District: Sindhupalchok
Location of Project Site: Gumba VDC
Water Source: YambalingKhola
Type of Scheme: Run off River
Access Road: Existing Road-Kathmandu-Balephi-Jalbire-Black topped Road, Jalbire-Kattike-Manje-Bolde to project site Gravel Road
Installed Capacity: 7.27 MW
Gross Head: 798.00 m
Rated Design Head: 752.90 m
Design Plant Discharge: 1.14 m3/sec at Q40%
Hydrology
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Catchment Area: 14.15 sq. km
Average Precipitation: 3595 mm/year
100 years Design Flood (HW): 53 m3/sec
Minimum Monthly Flow: 0.231 m3/sec
Design Discharge: 1.14 m3/sec (Q40%)
Riparian Release Intake: 0.03 m3/sec
Headworks
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Diversion Structure: Tyrolean Weir
Length of Weir: 15.0 m
Weir crest Elevation: EL 2185.00 msl
Height of Weir: 2.50 m from U/s Apron.
Intake Type: Tyrolean Intake with bed load sluice
Size of Opening: 1.2m x 7.0m – 1 nos
Gravel Trap
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Type: Rectangular
Particle Size to be settled: 5.0 mm
Trap Efficiency: 90%
Size of Gravel Trap: 6.0 m x 1.2 m
Spillway Length: 6.0 m
Bed Slope: 1:30
Flushing Channel Size: 0.6 m x 0.6 m Rectangular Closed