PROJECT COST
$1,400 M
AVERAGE ANNUAL ENERGY
2,345 GWh
DAM HEIGHT
210 M
CATCHMENT AREA
3,913 Km2
Installed Capacity
480 MW
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,quis nostrud exercitation ullamco laboris nisi
- ORGANIZATION CHART
- GENERAL INFORMATION
- TECHNICAL STRUCTURE
- HYDRO-ELECTRO-MECHANICAL INFORMATION
- Project legislative documents
- Contractor
- Project milestones
In Progress
| Project Cost | $1,400 Million |
| Shareholder | CSE 55%, EDL 20%, EGATi 25% |
| Installed Capacity | 480 MW |
| Average Annual Energy | 2,345 GWh |
| Maximum Turbine Discharge | 180 m3/s |
| Rated Head | 301 m |
| Turbine Type | Vertical Francis x 3 Units |
| Offertaker | EDL |
| Catchment Area | 3,913 Km2 |
| Annual Average Rain Fall | 2,593 mm |
| Annual Average Discharge | 110 m³/s |
| Reservoir Storage Capacity | 1,411 Million m3 |
| Reservoir Surface Area | 27.5 Km2 |
| Full Supply Level | 723 m a.s.l |
| Minimum Operating Level | 670 m a.s.l |
| Main Dam | |
| Type | Concrete Hyperbolical arch dam |
| Height | 208m |
| Crest Lenght | 395m |
| Crest Width | 10m |
| Crest Level | 729.50m |
| Headrace Canal | |
| Type | |
| Length | |
| Longitudinal Gradient | |
| Penstock | |
| Type | |
| Number of Pipe | |
| Diameter | |
| Length | |
| Longitudinal Gradient | |
| Spillway | |
| Type | |
| Number of Gate | 1/3 Nr (one set 2x800kN and Three sets 2x3200kN |
| Design Flood Discharge | 4860 m3/s |
| Headrace Tunnel | |
| Type | Reinforced concrete |
| Design Discharge | 179.6 (m3/s) |
| Diameter | 9.1m – 8.1m – 8.5m |
| Length | 1/10516.8 No./m |
| Tailrace Channel | |
| Type | |
| Length | |
| Switchyard 115 kV | |
| Elevation | |
| Dimension | |
| Powerhouse | |
| Installed Capacity | 480 MW |
| Number of Unit | 3 |
| Turbine Type | Vertical Pelton |
| Max Powerhouse Discharge | 180 m³/s |
| Erection Floor Elevation | EL 354.70m to EL 400.50m of Rail top |
| 230KV Transmission Line | |
| Substation | Ban Naphia ( Xieng Khuang ) |
| Length | 110 Km |
| Circuit Type | Double Circuit |
Legislative documents
- On March 25, 2014, the Feasibility study of the project was approved
- On July 9, 2014, received the environmental certificate
- In June 2014, completed the environmental management and monitoring plans.
- In August 2014, the environmental impact assessment report was completed
Main Contractor
Main Contractor : (Hoang Anh Gia Lai Hydropower Joint Stock Company)
- Civil work,
- Electrical system,
- Mechanical,
- Hight Voltage Transmission line 22 kW.
- 115 kW.
Engineer Design and Supervisor
- (Basic design): East Asia Investment and Construction Consultant JSC
- Construction Supervisor: (Owner Engineer & Construction Supervision): East Asia Investment and Construction Consultant JSC
- Repair contractors:
- Supervisors by: (Owner Engineer & Construction Supervision)ILF Consulting Engineers:
- Headrace Tunnel, Grouting, Slope Protection, Civil work, Bottom Outlet: Right Tunnelling Co., Ltd.
- Bottom Outlet: Whessoe Lao Sole Co., Ltd.:
- (Dam Instrument)Nari Group Corporation:
- (Dam Instrument) Siam Tone Co., Ltd.:
- Mechanical Work and Commissioning: Asia Motor Service Center Co., Ltd.
- Repair and Inspection (Power House), (Switchyard): Tonnam Energy Part., Ltd.
ກຳລັງອັບໂຫລດຂໍ້ມູນ
Project progress
Main components of dams:
- Main dam
- Water intake
- Headrace tunnel
- Powerhouse
- Switch yard
- Transmission line system
Main components of dams:
- Main dam
- Water intake
- Headrace tunnel
- Powerhouse
- Switch yard
- Transmission line system
Main components of dams:
- Main dam
- Water intake
- Headrace tunnel
- Powerhouse
- Switch yard
- Transmission line system
Main components of dams:
- Main dam
- Water intake
- Headrace tunnel
- Powerhouse
- Switch yard
- Transmission line system
