Deal #6524 Version 87752 Version 88126
Size under contract (leased or purchased area)
  • [current] 376900 ha
Comment on land area
Size in operation is the reservoir surface area.
At Full Supply Level the surface area of the surface area of the reservoir is 27.5 square km (2,750 ha). Nam Ngum 3 dam’s catchment area is 3,769 square km (376,900 ha) [Source: CS Energy company & Hobomap]
Comment on intention of investment
Nam Ngum 3 Hydropower, installed capacity: 460 MW, developed by an independent power producer (IPP)
The Nam Ngum 3 hydropower project is being executed by Chinese contractors as it is considered a key project under China’s Belt and Road Initiative (BRI). [Source: NS Energy] The Nam Ngum 3 hydropower project has been revised with new developers and owners around year 2014 The old project was 440 MW capacity while the new revised version is 480 MW. [Source: Hobomap]
Comment on implementation status
Commercial operation date was planned in January 2020.
The construction works on the project were started in November 2015 with commissioning expected by 2022. [Source: NS Energy]
Purchase price
1β€―400β€―000β€―000
Purchase price currency
US Dollar ($)
Comment on purchase price
Nam Ngum 3 HPP's estimated to cost is around USD1 billion. Asian Development Bank (ADB) has approved funding of about USD465 million for its construction.
Estimated cost of the project is US $1.4 billion with funding from Chinese EXIM Bank. [Source: Hobomap] On November 5, 2021, the Thailand National Energy Policy Council (NEPC) agreed to purchase electricity from the Nam Ngum 3 hydropower project. It approved an expansion of the electricity power cooperation framework between Thailand and Lao PDR and set the tariff for electricity purchased from the Nam Ngum 3 hydropower project at the rate of 2.8934 baht per unit (assumed to be per kilowatt hour). [Source: Hobomap]
Comment on jobs created (total)
The project also expected to create more than 1,500 jobs [Source: Vietstock]
Comment on investment chain
Nam Ngum 3 HPP is owned by three private sector companies: Thailand's GMS Lao Company Ltd. and Ratchaburi Electricity Generating Holding PCL, together with Axia Power Holdings, a wholly owned subsidiary of Japan's Marubeni Corporation.
Nam Ngum 3 HPP is owned by three private sector companies: Thailand's GMS Lao Company Ltd. and Ratchaburi Electricity Generating Holding PCL, together with Axia Power Holdings, a wholly owned subsidiary of Japan's Marubeni Corporation. Nam Ngum 3 (NN3) Power Company, a special purpose company formed by Electricite Du Laos (EDL, 20%), Charoen Sekong Energy Company (CSE, 55%), and EGAT International Company (EGATi, 25%) is the owner and developer of the project. [Source: NS Energy]
Comment on community reaction
Before the dam construction, a group of environmentalists commissioned to conduct an ADB-funded impact assessment study of the Nam Ngum 3 hydropower project expressed concerns about the impacts that the dam would have on water quality, fisheries and villagers' livelihoods. [Source: VOA]
Comment on displacement of people
Households located along the upgraded national road and the transmission line may lose housing and parcels of land.
Households located along the upgraded national road and the transmission line may lose housing and parcels of land. The developer relocated about 150 families who affected by the project development. IR also reported that the project would resettle 523 people within their village territory. Affecting at least 2,455 people downstream and unknown numbers upstream. [Source: International Rivers & Vietstock]
Negative impacts for local communities
Socio-economic, Displacement
Environmental degradation, Socio-economic
Comment on negative impacts for local communities
The original EIA filed in January 2011 had significant gaps. It failed to provide complete and accurate terrestrial and aquatic baseline data, the absence of which is problematic in the context of measuring the changing biodiversity due to the construction of the dam. [Source: Report on U.S. Position on AsDB’s Proposed Loan for Nam Ngum 3 dam]
Comment on use of produce
Most or all of the electric output from the Project will be for export and sale to Thailand. [Source: Hobomap]
Comment on in country processing of produce
EDL said at the ground breaking ceremony that the project would be able to generate about 2,345 million kWh of energy annually. [Source: Vietstock]

Location #yKiZ643S

Description
About 130 km north of Vientiane, about 4.5 km upstream of the confluence of the Nam Ngum with the Nam Pha.
About 130 km north of Vientiane, about 4.5 km upstream of the confluence of the Nam Ngum with the Nam Pha. Nam Ngum 3 is located upstream of the Nam Ngum 2 Reservoir [Source: Hobomap]
Comment
Located on the Ngum River in Xaysomboune Province, central of Laos. The Nam Ngum 3 Hydropower Project (NN3) will be located along the Nam Ngum River in Vientiane and Xieng Khouang Provinces of Lao PDR, upstream of NN1 and NN2 (both operational), downstream of NN5 (operational), and downstream of NN4 (in the planning phase). The Project is set 130 km north of Vientiane, about 4.5 km upstream of the confluence of the Nam Ngum River with the Nam Pha.
Located on the Ngum River in Xaysomboune Province, central of Laos. The Nam Ngum 3 Hydropower Project (NN3) will be located along the Nam Ngum River in Vientiane and Xieng Khouang Provinces of Lao PDR, upstream of NN1 and NN2 (both operational), downstream of NN5 (operational), and downstream of NN4 (in the planning phase). The Project is set 130 km north of Vientiane, about 4.5 km upstream of the confluence of the Nam Ngum River with the Nam Pha. The Nam Ngum 3 hydroelectric power project is being developed on the Nam Ngum River, a tributary of the Mekong River, in Longcheng district, Xaysomboun, Laos [Source: NS Energy]

Data source #g69ucdB6

File
Type
Media report
Url
Keep PDF not public
No
Publication title
Environmentalists Object to Laos Nam Ngum 3 Hydropower Project
Organisation
VOA

Data source #dhcLDsL-

File
Type
Media report
Keep PDF not public
No
Organisation
Vietstock

Data source #XCuPoPKP

File
Type
Research Paper / Policy Report
Keep PDF not public
No
Publication title
laohydro2010_sept_final by IR
Organisation
IR

Data source #jakSKHOL

Type
Media report
Url
Keep PDF not public
No
Publication title
Nam Ngum 3 Dam Hydropower Info by Hobo Maps -
Organisation
Hobomaps

Data source #6LR774Gi

File
Type
Media report
Url
Keep PDF not public
No
Publication title
Nam Ngum 3 Hydroelectric Power Project
Organisation
NS Energy

Data source #yHRPEzOD

File
Type
Other
Keep PDF not public
No
Publication title
Report and Recommendation of the President_Nam Ngum 3 dam
Organisation
ADB

Data source #natxwlL4

File
Type
Company sources
Url
Keep PDF not public
No
Publication title
Resettlement and Ethnic Minority Development Plan
Organisation
Nam Ngum 3 Power Company

Data source #JgqQwLPf

File
Type
Media report
Keep PDF not public
No
Publication title
U.S. Position on AsDB’s Proposed Loans Greater Mekong Subregion Nam Ngum 3 Hydropower Project for Lao People’s Democratic Republic
Date
2011-11-03