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The Nam Theun 2 Hydropower Project


Khammouane and Bolikhamsai provinces, Laos


Trans-basin diversion power plant


Nam Theun 2 Power Company

Cost of the Project


Installed capacity


Start Date

June 2005

Start of Operation

April 2010

Official Inauguration

December 2010

39m high gravity dam

450km² reservoir

8,000,000m³ artificial regulating pond, 27km artificial downstream channel leading to river Xe Bang Fai

130m long, double circuit 500KW transmission line to Thai grid

70km long, single circuit 115KW transmission line to Laos domestic grid

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