Project Cost
$ 420 M
Annual energy average
788 GWh
Height DAM
Nam Phak Dam 26,6 m
Nam Pa Dam 79,6 m
Pou Pong 76,5 m
Installation capacity
128 KW2
Installation capacity
168 MW
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- ORGANIZATION CHART
- GENERAL INFORMATION
- TECHNICAL STRUCTURE
- ELECTRICAL-MECHANICAL INFORMATION
- LEGISLATIVE DOCUMENTS
- CONTRACTOR
- PROJECT MILESTONES
No Data
| Project Costs | $420 M |
| Shareholder | CSE 80%, EDL 15%, KOBE 5% |
| Installation Capacity | 168 MW |
| Annual Energy Average | 586 GWh |
| Annual Average Discharge | 21 m3/s |
| Height | 652.1 m |
| Type of turbine | – |
| Off-Taker | EDL Sent Through Electricite Du Cambodge (EDC) |
| Catchment Area | 134,51 KM2 |
| Annual Average Rain Fall | 4,900 mm |
| Annual Average Outflow | 13 m3/s |
| Reservoir | 168 Millions m3 |
| Maximum Water Resistance Level (MWRL) | 10,6 KM2 |
| Full Supply Level | 993 m a.s.l |
| Min Operating level | 955 m a.s.l |
| Main Dam Nam Pa | |
| Type | – |
| Height | 28 m |
| Crest Level | 250 m |
| Headrace Canal | |
| Type | |
| Length | |
| Inside Diameter | |
| Penstock | |
| Type | |
| Number of Pipe | |
| Diameter | |
| Length | |
| Inside Diameter | |
| Type | |
| Number of Gate | |
| Max Inflow peak | |
| Design Flood Discharge |
| Dam | |
| Type | |
| Number of Gate | |
| Headrace Tunnel | |
| Type | |
| Design Discharge | |
| Diameter | |
| Length | |
| Tailrace Canals | |
| Type | |
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| Switchyard 115kV | |
| Elevation | |
| Dimension | |
| Powerhouse | |
| Installed Capacity | 168 MW |
| Number of Unit | 2 |
| Turbine Type |
– |
| Max Powerhouse Discharge | 26 m³/s |
| Erection Floor Elevation | – |
| 115 KV Transmission Line | |
| Substation | – |
| Length | – |
| Number of circuits | – |
| Conductor Size | – |
- On December 09, 2020 Ministry of Energy and Mines issues license to Chaluen Sekong Energy Co., Ltd. to start construction of the project NamPhak
Project Owner: Chaluen Sekong Energy Co., Ltd.
– Basic Design: Tractebel Engineering Ltd.
– Consultant: Tractebel Engineering Ltd.
– Geological survey SSSDC, BMEC
- Initial survey: 2007, by KOBE Company (KGPC)
- Initial project owner: KOBE Company (KGPC)
- feasibility study (FS): Built in 2010, by (AECOM)
- Consultant AECOM: Design to Run Off, By:
1) Machine 8 MW + 100 MW,
2) Machine 8 MW + 150 MW,
3) Machine 8 MW + 160 MW
- Updated feasibility study (FS): 2014-2015 by: LAO MAJOR INDIA.
- Transfer Project Ownership: 2017, Chaluen Sekong Energy Co., Ltd.
- Updated feasibility study (FS): 2017-2020 by POYRY / AFRY Consultants
- Start building infrastructure: 2021 By Chaluen Sekong Energy Co., Ltd.
Project milestones
The pioneering phase and construction begins in 2021:
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Main Dam Model, Powerhouse, and Site offices
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Locals Survey, and the Roads
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Compensate for coffee plantation damage to people in the project area.
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Clear the area, and started build the Roads of the PARKSONG side, first and the second phase.
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Install, and build power lines of 22 kW.
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Build the Bridge to Cross NamPhak
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Clear the area, and start building camps and Site offices.
The Overall constructions phase in 2022:
Infrastructure construction work phase 1
Build the road inside the dam to the tunnel Phase 2
Build the road R7-R8 PATHUMPHONE Side
Build grid systems 22 kW from the power station to the camp.
Building camps, and field offices
The Overall constructions phase in early 2023:
Camp CSE
Camp SD5
Nam Pa Dam
Nam Phak Dam
Phou Pong Dam
Powerhouse 8MV
Powerhouse 160MV
Penstock
The Overall constructions phase in March 2023:
- Road R1-R2
- Asphalt mixing plant
- Zigzag road to powerhouse 160 MW
- Guard house SD5 asset road R3-R4 and R5-R6
- Mixing concrete plant No.2
- Transmission line 22 KV on north road
The Overall constructions phase in 2023 (Q2):
Cushing Plant
Nam Pa Dam (Excavation)
NAM PA Tunnel (Excavation and Support)
Excavation of Nam Pa Still basin Portal
Phou Pong Dam (Excavation)
Phou Pong Tunnel
Nam Phak Tunnel
Power House 160 MW (Excavation)
North Diversion Tunnel
