|Project Details||Xe-Pian Xe-Namnoy Power Company's (PNPC) 410MW Xe Pian Xe Namnoy hydroelectric power project is estimated to have an annual energy generation of approximately 1,860GWh.|
The project includes the construction of three dams: Houay Makchan Dam, Xe Pian Dam, and Xe-Namnoy Dam along the Mekong River.
The "Saddle Dam D" was 8m wide, 770m long and 16m high - and was designed to help divert water around a local reservoir
It will consist of a large storage reservoir on the Xe Namnoy River, underground tunnels, shaft waterways, and an open-air powerhouse featuring four generator units (three Francis turbines and one Pelton turbine).
The Xe Namnoy reservoir will be 73m-high and 1,600m-long, and will have a capacity to store approximately 1,043 million cubic meters (MCM) of water. Approximately 1,000MCM of water will be collected from Houay Makchan and Xe Pian catchments and stored at the Xe Namnoy reservoir.
|Project Area (in hectares)||238 |
|Level of Investment (in USD)||1,200,000|
|Potential Affected Population||6,000 families|
|Company Names or State Enterprises||Ratchaburi Electricity Generating Holding (RATCH) from Thailand|
ATT Consultants Company Limited (ATT) from Thailand - ATT Consultants were engaged for designing the transmission system model, which will enable the transfer of power to Thailand.
SK E&C from Republic of Korea - SK E&C was awarded the engineering, procurement and construction (EPC) contract for the construction of the project
Korea Western Power (KOWEPCO) from Republic of Korea - KOWEPCO was awarded the operations and maintenance contract (O&M) for a period of 27 years
AF Consult from Sweden - AF Consult was engaged to conduct pre-feasibility and feasibility studies, engineering for basic design and tender documents, environmental and social management aspects, and to provide support services for finalising the concession and power purchase agreements.
Tractebel Engineering from Belgium - Tractebel Engineering was engaged as owner's engineer for the hydropower plant construction.
Lao Holding State Enterprise (LHSE) from Lao PDR
Seli Overseas from Italy - completion of the project's headrace tunnel
|Relevant government actors||Minister of Energy and Mines |
|International and Financial Institutions||Bank of Ayudhya from Thailand|
Export- Import Bank of Thailand from Thailand
Krung Thai Bank from Thailand
Thanachart Bank from Thailand
|Environmental justice organisations and other supporters||International Rivers Network|