Nam Ngiep 1 Hydropower Project (Loan 3154)


Project 41924-014
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Type Loan
Sector Energy
Country Lao PDR
Start 2014
End 2019
Status Ongoing
Last Edited 05 Jul 2021


US$('000) 926,700
Confinancing Source: JBIC-$197.0M Private Sector-$564.0M

Project Description

The Project involves the construction and operation of a 290 MW hydropower generation facility on a build-operate-transfer (BOT) arrangement at the Nam Ngiep River in the provinces of Bolikhamxay and Xaysomboun, Lao PDR.

Progress (as of March 2021)

Completed. NN1 started generating electricity for export to Thailand in early September 2019, becoming the latest fully operational Independent Power Producer in the country. The project-s main power house has an installed capacity of 272 MW, which is sold to the Electricity Generating Authority of Thailand via a 230 kilovolt transmission line to the Nabong Substation. The output from the reregulation power station (18MW or about 6.2% of total project output) has been online since March 2019 and is being sold to Electricite du Laos.


Contact 1
Contact Name Gulshan, Karan Raj
Organization Asian Development Bank
Contact 2
Contact Name -
Organization -
Email -

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