Introduce about
Nam Kong 2

Lamong Village, Phouvong District, Attapeu Province


Nam Kong 2 HPP is the second which built on Nam Kong river from upstream. The Nam Kong River is originated from mountain ranges of 891m above the sea level, run in East-West direction and confluences with the Se Kong River in Sanamxai District. Nam Kong basin is arranged in the territory of Phoukodon District, Attapeau Province, Lao PDR one of two northern end provinces of Lao PDR.  Nam Kong catchment area up to Nam Kong 2 dam site is 861km2; Main River Length is 69.8 km. The project is located approximately 40km far from the center of Attapeau Province and 25km from PhuVong District in south direction. 

  • $142.53 M

    Project Cost

  • 66 MW

    Installed Capacity

  • 263 GWh

    Average Annual Energy

  • 65 M

    Dam Height

  • 263 GWh

    Reservoir Surface Area

ORGANIZATION CHART


GENERAL INFORMATION

Project Cost$142.53 M
ShareholderCSE 100%
Installed Capacity66 MW
Average Annual Energy263.12 GWh
Design76.20 m3/s
Rated Head98.8 m
Turbine TypeNam Kong 2 - Chaleun Sekong Energy Co., LTD
OfftakerEDL
Catchment Area861 Km2
Annual Average Rain Fall2,315 mm
Annual Average Discharge
36.6 m3/s
Reservoir Storage Capacity71.4 Million m3
Reservoir Surface Area71.4 Million m3
Full Supply Level427 m a.s.l
Minimum Operating Level420 m a.s.l
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TECHNICAL 
STRUCTURE

Main Dam
TypeGravity Concrete
Height65 m
Crest Length280 m
Headrace Channel
TypeExposed Excavation
Lenght114 m
Longitudinal Gradient0,001
Penstock
TypeSteel Liner
Number of cell1
Diameter4.2 m
Length370
Longitudinal Gradient
Spillway
TypeSluice Gate
Number of Gate4
Maximum  Discharge3.780 m3/s
Headrace Tunnel(none)
Type Reinforced Concrete
Design Discharge 76.2 m3/s
Diameter 5.4 - 4.2 m
Length 1,430 m
Tailrace Channel (none)
Type Open Channel
Length 205 m
Switchyard 115kV
Elevation354.5 m a.s.l
Dimension55m x 40m

Hydro-Electro-Mechanical 
Information

Powerhouse
Installed Capacity66 MW
Number of Units3
Turbine TypeVertical Francis
Max Discharge76.2 m3/s
Erection Floor Elevation324.5 m a.s.l
115KV Transmission Line
SubstationSapaothong Substation
Length68 Km
Number of circuitSingle Circuit
Conductor Size240 mm2

Project Progress

ddd

10%

Gallery

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Map of Nam Kong 2

Nam Kong 2 Timeline

09/07/2020

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12/08/2020

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08/09/2020

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