Xe-Pian Xe-Namnoy is a 410MW hydro power project. It is located on Xe-Namnoy, Xe-Pian river/basin in Champasak, Laos. The project is currently active. It has been developed in single phase. The project construction commenced in 2013 and subsequently entered into commercial operation in 2019.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 410 410 Active Champasak, Laos Xe-Pian Xe-Namnoy Power Company Ltd (PNPC)


The project was developed by Xe-Pian Xe-Namnoy Power Company Ltd (PNPC). SK Engineering & Construction, Korea Western Power, RATCH Group and Lao Holding State Enterprise are currently owning the project having ownership stake of 26%, 25%, 25% and 24% respectively.

Xe-Pian Xe-Namnoy is a reservoir based project. The hydro reservoir capacity is 1,043 million cubic meter. The gross head of the project is 600m. The total number of penstocks, pipes or long channels that carry water down from the hydroelectric reservoir to the turbines inside the actual power station, are 1 in number. The penstock length is 768m. The penstock diameter is 3.6m. The project generated 1,879 GWh of electricity. The project cost is $1,020m.

The hydro power project consists of 3 turbines, each with 130MW nameplate capacity.

The hydro power project consists of 1 turbine with 20MW nameplate capacity.

Development Status

The project construction commenced in 2013 and subsequently entered into commercial operation in 2019.

Power Purchase Agreement

Electricite du Laos and Electricity Generating Authority of Thailand are the power offtakers from the project.

Contractors Involved

SK Engineering & Construction was selected to render EPC services for the hydro power project.

Korea Western Power is the O&M contractor for the hydro power project for a period of 27 years.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.