Kainji Dam
E148493
Kainji Dam is a major hydroelectric power and irrigation dam in Nigeria, forming Lake Kainji and serving as a key source of electricity and water management in the region.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Kainji Dam canonical | 7 |
| Kainji Lake | 2 |
| Kainji Hydroelectric Dam | 1 |
| Kainji Hydroelectric Power Station | 1 |
| Kainji hydroelectric power station | 1 |
| Niger River hydropower cascade | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1272357 — 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: Kainji Dam Context triple: [Niger River, dam, Kainji Dam]
-
A.
Itezhi-Tezhi Dam
Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
-
B.
Gariep Dam
Gariep Dam is South Africa’s largest storage reservoir, situated on the Orange River and serving as a key source of water, hydroelectric power, and recreation for the surrounding regions.
-
C.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
D.
Cahora Bassa Dam
Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the region.
-
E.
Uri Dam
Uri Dam is a hydroelectric dam located on the Jhelum River in the Indian union territory of Jammu and Kashmir, primarily used for power generation.
- 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: Kainji Dam Target entity description: Kainji Dam is a major hydroelectric power and irrigation dam in Nigeria, forming Lake Kainji and serving as a key source of electricity and water management in the region.
-
A.
Itezhi-Tezhi Dam
Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
-
B.
Gariep Dam
Gariep Dam is South Africa’s largest storage reservoir, situated on the Orange River and serving as a key source of water, hydroelectric power, and recreation for the surrounding regions.
-
C.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
D.
Cahora Bassa Dam
Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the region.
-
E.
Uri Dam
Uri Dam is a hydroelectric dam located on the Jhelum River in the Indian union territory of Jammu and Kashmir, primarily used for power generation.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| affects | aquatic ecosystems of the middle Niger River ⓘ |
| alsoKnownAs |
Kainji Dam
ⓘ
surface form:
Kainji Hydroelectric Dam
|
| connectedTo | Nigerian national electricity grid ⓘ |
| constructionCost | hundreds of millions of US dollars (1960s value) ⓘ |
| constructionStartDate | 1964 ⓘ |
| country | Nigeria ⓘ |
| designedBy | Joint Italian-Nigerian consortium ⓘ |
| designedForNavigation | includes navigation lock ⓘ |
| downstreamOf |
Jebba Dam
ⓘ
surface form:
Jebba Dam site (geographically upstream–downstream relationship in Niger hydropower cascade)
|
| energySource | hydropower ⓘ |
| forms |
Kainji Dam
self-linksurface differs
ⓘ
surface form:
Kainji Lake
|
| hasPowerStation |
Kainji Dam
self-linksurface differs
ⓘ
surface form:
Kainji Hydroelectric Power Station
|
| hasSpillway | yes ⓘ |
| height | approximately 65 meters ⓘ |
| impact |
creation of new fishing opportunities on Kainji Lake
ⓘ
displacement of local communities ⓘ regulation of Niger River flow in the region ⓘ |
| length | approximately 10.5 kilometers ⓘ |
| locatedIn |
Kebbi State
ⓘ
Northern Nigeria ⓘ
surface form:
northwestern Nigeria
|
| locatedInBasin |
Niger River
ⓘ
surface form:
Niger River Basin
|
| locatedNear | New Bussa ⓘ |
| locatedOnRiver | Niger River ⓘ |
| openingDate | 1968 ⓘ |
| operator |
Federal Ministry of Power
ⓘ
surface form:
Nigerian Federal Ministry of Power (through successor agencies)
Nigerian government ⓘ |
| ownedBy |
Government of Nigeria
ⓘ
surface form:
Federal Government of Nigeria
|
| partOf | Niger River Basin development ⓘ |
| primaryUse | hydroelectric power generation ⓘ |
| regionServed |
national Nigerian grid
ⓘ
northwestern Nigeria ⓘ |
| reservoirArea | approximately 1300 square kilometers ⓘ |
| reservoirName | Kainji Lake ⓘ |
| reservoirType | artificial lake ⓘ |
| significance |
key infrastructure for water management on the Niger River
ⓘ
major source of electricity in Nigeria ⓘ one of Nigeria’s earliest large-scale hydroelectric projects ⓘ |
| status | operational ⓘ |
| subjectTo | periodic rehabilitation and upgrade projects ⓘ |
| use |
fisheries support
ⓘ
flood control ⓘ irrigation ⓘ navigation improvement ⓘ water supply ⓘ |
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: Kainji Dam Description of subject: Kainji Dam is a major hydroelectric power and irrigation dam in Nigeria, forming Lake Kainji and serving as a key source of electricity and water management in the region.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Kainji Lake
this entity surface form:
Kainji Lake
this entity surface form:
Kainji Hydroelectric Dam
this entity surface form:
Kainji Hydroelectric Power Station
this entity surface form:
Niger River hydropower cascade
this entity surface form:
Kainji hydroelectric power station