Project Salient Features

Yankhuwa-Nakhua Khola Hydropower Project (4.92 MW)

Basic Information
Project NameYankhuwa Khola Hydropower Project
LocationSadananda Municipality, Bhojpur
Coordinates 27°15'41"N to 27°16'26"N
87°09'00"E to 87°10'51"E
Installed Capacity4.92 MW
Type of GenerationRun-of-River
Hydrology
Yankhuwa Khola
Catchment Area65.0 km²
Design 100 yrs Flood317.07 m³/sec
40% Dependable Flow2.99 m³/sec
Nakhuwa Khola
Catchment Area36.0 km²
Design 100 yrs Flood207.45 m³/sec
40% Dependable Flow1.77 m³/sec
Plant Design Discharge4.76 m³/sec
Total Gross Head128.00 m
Net Head122.00 m
Average Annual Energy28.21 GWh
Dry Season Energy4.40 GWh
Wet Season Energy23.81 GWh
Turbine & Generator
Turbine TypeFrancis Turbine
No. of Units2
Rated Flow per Unit2.38 m³/sec
Turbine Efficiency91%
Rated Speed600 RPM
Generator TypeSynchronous, 3-Phase
Rated Voltage6.3 KV
Frequency50 Hz
Generator Efficiency97%
Powerhouse & Transmission
Powerhouse TypeSemi Underground
No. of Units2
Transmission Voltage33 KV
Transmission Length4.0 km
SubstationTumlingtar Substation
Construction
Construction Period24 Months
Total Project CostIn Progress
NPV / IRR / B/C RatioIn Progress