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January 11, 2022updated 12 Jan 2022 9:48am

Houay Lamphan Gnai, Laos

By Carmen

Houay Lamphan Gnai is an 88MW hydro power project. It is located on Houay Lamphan Gnai river/basin in Champasak, Laos. The project is currently active. It has been developed in single phase. The project construction commenced in 2010 and subsequently entered into commercial operation in 2015.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 88 88 Active Champasak, Laos Electricite du Laos


The project is developed and owned by Electricite du Laos. The company has a stake of 100%.

The hydro reservoir capacity is 141 million cubic meter. The gross head and net head of the project are 612.6m and 529m respectively. The penstock length is 3,830.7m. The penstock diameter is 2m. The project generated 480 GWh of electricity. The project cost is $206m.

The hydro power project consists of 2 turbines, each with 44MW nameplate capacity.

The project has 2 electric generators installed at the site.

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Development Status

The project construction commenced in 2010 and subsequently entered into commercial operation in 2015.

Contractors Involved

China Gezhouba Group was selected to render EPC services for the hydro power project.

About Electricite du Laos

Electricite du Laos (EDL) is a state owned corporation. It owns and operates generation, transmission and distribution assets and manages electricity imports into its grids and exports from its stations.


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.

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