PROJECT COST
$147 M
AVERAGE ANNUAL ENERGY
289.69 GWh
DAM HEIGHT
1,218 M
CATCHMENT AREA
279.8 Km2
Installed Capacity
60 MW
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- ORGANIZATION CHART
- GENERAL INFORMATION
- TECHNICAL STRUCTURE
- HYDRO-ELECTRO-MECHANICAL INFORMATION
- Project legislative documents
- CONTRACTOR
- Project milestones
In Progress
Project Cost | $147 M |
Shareholder | CSE 30% |
Installed Capacity | 60 MW |
Energy Generation | 289.69 Gwh |
Maximum Turbine | 12 m³/s |
Design net Head | 1,215.18 m |
Type of turbine | Vertical Francis x 5 Units |
Off-taker | EVN |
Catchment Area | 279.8 km² |
Rain flow releases | 2,800 mm |
Inflow Average | 123×106 m3/s |
Reservoir | 14 M m³ |
Reservoir Surface Area | 93.6 km² |
Full supply level | 1,215 m a.s.l |
Min operating level | 1,189 m a.s.l |
Main Dam | |
Type | Plain Cement Concrete |
Height | 58 m |
Crest Length | 178.86 m |
Crest level | 782.5 m a.s.l |
Water flow channels | |
Type | Inverted U-shaped section |
Length | 3,990 m |
Hills of channels | |
Open Channels | 2.5 m |
convert block | 2.5 m |
Penstock |
|
Type | Steel Lined Tunnel |
No of pipe | 1 |
Internal diameter | 2 m |
Length | 2,787.7 m |
– |
Spillway | |
Type | WES practical weir |
No of gate | 3 |
Design Flood Discharge | 701 m³/s |
Headrace Tunnel | |
Type | Inverted U-shaped section |
Flow rate | 3.91 % |
Internal diameter | 2.8m x 3.5m |
Length | 3,918 m |
Station 230 kW GIS (EGAT) / 115 kW AIS (Electricite du Laos) |
|
Height | 586 |
Ground size | 54m x 25m |
Powerhouse | ||
Type | ||
Installed Capacity | 60 ເມກາວັດ | |
|
2 | |
|
SF30-10/3300 | |
|
5.744 ມ³/ວິນາທີ | |
Height | 581.7 M A.S.L |
230 KV Transmission Line EDL | |
Substation | Nam E-moun |
Length | 41 ກມ |
Circuit Type | 1 |
Conductor Size | ACSR 300 |
Legal Documents
- On 21/07/2015 Signed a Memorandum of Understanding (MOU)
- On 17/02/2015Project Development Agreement (PDA) was signed
- On 14/09/2017The Feasibility study of the project was approved
- On 22/11/2016 Completed the report of Environmental and Social Impact Assessment (ESIA)
- On 22/11/2016Completed the Environmental and Social Management and Monitoring Plans (ESMMP)
- on 01/02/2021 Completed the Environmental and Social Management and Monitoring Plans-construction Phase (ESMMP-CP)
- 0n 14/08/2020 Complete basic design certification issued
- On 07/09/2020Completed the investment license
- On 30/09/2020Completed the enterprise registration
- On 11/11/2020Completed the ratification of the annex to the concession agreement with environmental, social and natural obligations (Annex C-CA)
. on 15/01/2019Completion of Environmental Certificate for Renewal of Social and Natural Environmental Management and Monitoring Plan (ESMMP)
- on 24/11/2021 Completed the environmental minimum water flow certificate
- on 07/05/2021 Completed the environmental certificate for the transmission corridor
- on 22/12/2021 Signed a concession agreement with the Government of the Lao PDR
-
EPC contractor POWERCHINA Sinohydro Bureau 10., Ltd
- In Progress
Important step of the project:
- On 21/07/2015Signed a Memorandum of Understanding (MOU)
- On 17/02/2017 Project Development Agreement (PDA) was signed
- On 22/12/2021 Signed a concession agreement with the Government of the Lao PDR
Project progress
Construction start phase:
Model and Powerhouse
Survey the area
Paving the road
Building the tunnel
Construction start phase
Model and Powerhouse
Survey the area
Paving the road
Building the tunnel
Construction start overall 2022 to early 2023
- Main Dam
- Diversion dam
- Diversion Tunnel
- Water Supplement Tunnel
- Sur shaft
- Penstock
- Powerhouse
- Mechanical and electrical equipment installation
- Transmission line construction
- Auxiliary projects