Nam Ngum 1 Dam
E450720
Nam Ngum 1 Dam is a major hydroelectric dam in Laos that forms the Nam Ngum Reservoir and plays a key role in the country’s power generation and regional electricity exports.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nam Ngum 1 Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4535138 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nam Ngum 1 Dam Context triple: [Nam Ngum River, hasHydropowerDam, Nam Ngum 1 Dam]
-
A.
Nam Ou 1 Dam
Nam Ou 1 Dam is a hydropower facility on Laos’s Nam Ou River that forms part of a larger cascade of dams developed for electricity generation.
-
B.
Thein Dam
Thein Dam, also known as Ranjit Sagar Dam, is a major multipurpose hydroelectric and irrigation dam located on the Ravi River in northern India.
-
C.
Nam Ngum River
The Nam Ngum River is a significant river in Laos known for its large hydropower dam and reservoir, which play a key role in the country’s electricity production and irrigation.
-
D.
Nam Ou 3 Dam
Nam Ou 3 Dam is a hydropower facility on Laos’s Nam Ou River that forms part of a larger cascade of dams generating electricity for the region.
-
E.
Kpong Dam
Kpong Dam is a hydroelectric power facility on Ghana’s Volta River that generates electricity and supports irrigation and water supply in the region.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nam Ngum 1 Dam Target entity description: Nam Ngum 1 Dam is a major hydroelectric dam in Laos that forms the Nam Ngum Reservoir and plays a key role in the country’s power generation and regional electricity exports.
-
A.
Nam Ou 1 Dam
Nam Ou 1 Dam is a hydropower facility on Laos’s Nam Ou River that forms part of a larger cascade of dams developed for electricity generation.
-
B.
Thein Dam
Thein Dam, also known as Ranjit Sagar Dam, is a major multipurpose hydroelectric and irrigation dam located on the Ravi River in northern India.
-
C.
Nam Ngum River
The Nam Ngum River is a significant river in Laos known for its large hydropower dam and reservoir, which play a key role in the country’s electricity production and irrigation.
-
D.
Nam Ou 3 Dam
Nam Ou 3 Dam is a hydropower facility on Laos’s Nam Ou River that forms part of a larger cascade of dams generating electricity for the region.
-
E.
Kpong Dam
Kpong Dam is a hydroelectric power facility on Ghana’s Volta River that generates electricity and supports irrigation and water supply in the region.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | hydroelectric dam ⓘ |
| basinCountry | Laos NERFINISHED ⓘ |
| commissioned | 1971 ⓘ |
| constructionBegan | 1968 ⓘ |
| continent | Asia ⓘ |
| country | Laos NERFINISHED ⓘ |
| damMaterial | concrete ⓘ |
| damType | gravity dam ⓘ |
| energySectorRole | key asset in Laos power generation ⓘ |
| expanded |
1984
ⓘ
1988 ⓘ |
| exportsElectricityTo | Thailand NERFINISHED ⓘ |
| forms | Nam Ngum Reservoir NERFINISHED ⓘ |
| gridConnection | Laos national grid NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| impact |
enables regional power trade
ⓘ
supports economic development in Laos ⓘ |
| installedCapacity | 155 MW ⓘ |
| locatedIn | Vientiane Province NERFINISHED ⓘ |
| locatedOnRiver | Nam Ngum River NERFINISHED ⓘ |
| nearCity |
Vang Vieng
NERFINISHED
ⓘ
Vientiane NERFINISHED ⓘ |
| numberOfTurbines | 5 ⓘ |
| openingYear | 1971 ⓘ |
| operator | Électricité du Laos NERFINISHED ⓘ |
| ownedBy | Government of Laos NERFINISHED ⓘ |
| partOf | Nam Ngum hydropower cascade NERFINISHED ⓘ |
| primaryEnergySource | hydropower ⓘ |
| purpose |
electricity export
ⓘ
flood control ⓘ irrigation support ⓘ power generation ⓘ |
| region | Southeast Asia ⓘ |
| reservoirName | Nam Ngum Reservoir NERFINISHED ⓘ |
| reservoirSurfaceArea | about 370 km² ⓘ |
| reservoirUse |
fisheries
ⓘ
navigation ⓘ tourism ⓘ |
| riverBasin | Mekong River basin NERFINISHED ⓘ |
| significance |
first large-scale hydropower project in Laos
ⓘ
major source of foreign exchange earnings for Laos ⓘ |
| status | operational ⓘ |
| supportsActivity |
aquaculture
ⓘ
recreation ⓘ |
| turbineType | Francis turbine ⓘ |
| watercourse | Nam Ngum River NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Nam Ngum 1 Dam Description of subject: Nam Ngum 1 Dam is a major hydroelectric dam in Laos that forms the Nam Ngum Reservoir and plays a key role in the country’s power generation and regional electricity exports.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.