Nam Ngiep 1 A Hydropower Project is a 272MW hydro power project. It is located on Nam Ngiep river/basin in Bolikhamxai, Laos. The project is currently active. It has been developed in single phase. The project construction commenced in 2014 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 272 272 Active Bolikhamxai, Laos Nam Ngiep1 Power


The project was developed by Nam Ngiep1 Power. The Kansai Electric Power, Electricity Generating Authority of Thailand and Lao Holding State Enterprise are currently owning the project having ownership stake of 45%, 30% and 25% respectively.

The hydro reservoir capacity is 1,200 million cubic meter. The gross head and net head of the project are 132.7m and 130.9m respectively. 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 2 in number. The penstock length is 185m. The penstock diameter is 5.2m. The project generated 1,546 GWh of electricity. The project cost is $900m.

Development Status

The project construction commenced in 2014 and subsequently entered into commercial operation in 2019.

Power Purchase Agreement

The power generated from the project is sold to Electricity Generating Authority of Thailand under a power purchase agreement for a period of 27 years. The contracted capacity is 272MW.

Contractors Involved

IHI Infrastructure Systems was selected to render EPC services for the hydro power project.

Hitachi Mitsubishi Hydro was selected as the turbine supplier for the hydro power project. The company provided 2 units of francis turbines, each with 136MW nameplate capacity.

Hitachi Mitsubishi Hydro supplied 2 electric generators for the project.


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.