Namarjun Madi Hydro Power project Himalayan Hydro Power Ltd

Namarjun Madi Hydro Power project


Namarjun Madi Hydropower Project (12 MW) is the project which is in operation since August 2015. The project is run of the river at Madi river of Kaski. For the execution of project company has entered into consortium agreement with various banks along with lead bank Janata Bank Nepal Limited.

  • Kaski

  • Run By Water

  • Madi River

  • 66.342 Gwh

  • 63.0 m

  • 11,880 KW

  • 1024 m3/sec

Progress

Civil Work
100%
Hydro Mechanical Work
100%
Transmission Line
100%
Electro Mechanical Works
100%
Canal
100%
Penstock
100%

Namarjun Madi Hydropower Project (12 MW) is the project which is in operation since August 2015. The project is run of the river at Madi river of Kaski. For the execution of project company has entered into consortium agreement with various banks along with lead bank Janata Bank Nepal Limited. Civil works of the project will be completed till Kartik end 2076. Installation of electromechanical equipment is ongoing in site. Power evacuation arrangement has been made with Super Madi Hydropower project (44MW) and Madhkyu Khola Hydropower Project (13 MW) and Namarjun Madi Hydropower Project (12 MW) and Upper Madi Hydro Project (25MW). Single Line Diagram Approval has been obtained from Grid Connection Department, NEA and other erection of transmission line will be completed till generation of electricity.

 

 

Salient Features of the project
Namarjun Madi Hydropower project
     
1 Project Location  
  Development Region Western
  Zone Gandaki
  District kaski
  VDC Namarjun & Sildujure
  Latitude 28°16 '01"N to 28°17'43" N
  Longitude 84°05'00" E to 84°06'08" E
     
2 General  
  Name of River Madi  River
  Nearest Town Kaski
  Type of scheme Run - of- river
  Gross Head 63.0 m
  Capacity for PPA 11,880 kW
  Average Annual Energy after Outage 66.342 Gwh
     
3 Hydrology   
  Catchment Area  365 km²
  Mean Annual Discharge 33.95 m³/s
  Design Discharge 23.75 m³/s
  Riparian Release 0.72 m³/s
  Design Flood discharge 1024 m³/s (100Yr. Flood )
     
4 Deversion weir  
  Type of weir Boulder Lined weir
  Length of weir 44.0 m
  Height of Overflow weir 7.0 m (including Foundation)
  Crest Elevation 1012.0 m
     
5 Undersluice  
  Crest Elevation 1006.5m
  Size 2.0m x 3.5 m
     
6 Intake Structure  
  Type of Intake Side Intake ,Orifice Type
  Size of Intake (w x H) 3.0 x 1.75 m, 50 Nos
  Intake Sill Level 1010.05 m
     
7 Gravel Trap /Approach Canal  
  Size of Gravel Trap (W x H) 7.5m x 7.0 m
  Length of Gravel Trap 25.0 m
  Spillway Length 18.0 m
  Size of Approach Canal (W x H) 6.0 x 4.75 m
  Length of Approach Canal  30 m
     
8 Desanding Basin  
  Type Conventional Flushing
  No of Chamber 2
  Dimension (Lx B x H ) m 110.0 m x 110 m x 9.5 m
  Particle Size to be Settled 0.2 mm
     
9 Headrace Canal  
  Type  RCC Rectangular
  Size 4.4 m x 3.5 m
  Length 1,248 m
  Longitudinal Slope 1:1,500
     
10 Forebay  
  Type  Surface
  Size (L x B x H ) 42.0 m x 40.0 m x 3.5 m
  Normal Water Level 1009.5 m
     
11 Penstock   
  Type Steel Supported
  Length of Penstock Pipe Line 144 (+11 m Bifurcated Length)
  Internal Diameter 2.9 m
   Thickness 12 -18 mm
     
12 Powerhouse  
  Type Surface
  Dimension 27.3 m x 22.0 m x 13.3 m
  Turbine Center Level 947.9 m
     
13 Tailrace Canal  
  Type RCC CUT & Cover
  Length  85 m
  Size (W x H ) 4.0 m x 1.8 m
  Tailrace water Level 949.0 m
     
14 Turbine  
  Type Francis, Vertical Axis
  Number Two
  Rated Output Capacity per Unit 6,250 kW
  Efficiency 91.50%
     
15 Governor  
  Type Electro- hydraulic ,PID System
  Adjustment for Speed Drop Between 0 to 5%
     
16 Generator  
  Type salient pole synchronous
  Rated Output Capacity per Unit 6,000 kW
   Power Factor 0.85
  Voltage 6.3 kV
  Frequency 50 Hz.
  No of Units Two
  Excitation System Brushless
  Efficiency 96.50%
     
17 Transformer  
  Type 3 phase, Oil immersed
  Rated Capacity 7,500 kVA x 2
  Voltage Ratio 6.3 /132 kV
  Efficiency 99.00%
     
18 Transmission Line to be Constructed by Company  
  Voltage Level 132 kV
  Length (Approx.) 18 km
  From powerhouse (HEP)
  To Lekhanath
  Conductor ACSR "WOLF" Double Circuit
     
19 Approach Road Connection 2.0km (New)
    5.0 km (Upgrading)