Kaptai Dam
E775711
Kaptai Dam is a major hydroelectric dam in southeastern Bangladesh, known for creating Kaptai Lake and supplying a significant portion of the country’s electricity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kaptai Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9082917 — 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: Kaptai Dam Context triple: [Khawthlangtuipui (Karnaphuli) River, hasHydroelectricDam, Kaptai Dam]
-
A.
Rumela Dam
Rumela Dam is a major component of Sudan’s Upper Atbara and Setit Dam Complex, contributing to regional irrigation, water storage, and hydroelectric power generation.
-
B.
Bariyarpur Dam
Bariyarpur Dam is a river dam built on the Ken River in India, primarily used for irrigation and water management in the surrounding region.
-
C.
Narayanpur Dam
Narayanpur Dam is a major irrigation and hydroelectric structure built across the Krishna River in Karnataka, India.
-
D.
Ralco Dam
Ralco Dam is a major hydroelectric power plant in Chile, known for its large reservoir and controversial impact on the local environment and indigenous communities.
-
E.
Irganai Dam
Irganai Dam is a major hydroelectric dam in Russia’s Dagestan region, known for its large installed capacity and role in supplying power to the North Caucasus.
- 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: Kaptai Dam Target entity description: Kaptai Dam is a major hydroelectric dam in southeastern Bangladesh, known for creating Kaptai Lake and supplying a significant portion of the country’s electricity.
-
A.
Rumela Dam
Rumela Dam is a major component of Sudan’s Upper Atbara and Setit Dam Complex, contributing to regional irrigation, water storage, and hydroelectric power generation.
-
B.
Bariyarpur Dam
Bariyarpur Dam is a river dam built on the Ken River in India, primarily used for irrigation and water management in the surrounding region.
-
C.
Narayanpur Dam
Narayanpur Dam is a major irrigation and hydroelectric structure built across the Krishna River in Karnataka, India.
-
D.
Ralco Dam
Ralco Dam is a major hydroelectric power plant in Chile, known for its large reservoir and controversial impact on the local environment and indigenous communities.
-
E.
Irganai Dam
Irganai Dam is a major hydroelectric dam in Russia’s Dagestan region, known for its large installed capacity and role in supplying power to the North Caucasus.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | hydroelectric dam ⓘ |
| associatedConflict | land rights issues in Chittagong Hill Tracts ⓘ |
| builtBy | Government of Pakistan NERFINISHED ⓘ |
| builtDuring | Pakistan period ⓘ |
| category |
Dams in Bangladesh
ⓘ
Hydroelectric power stations in Bangladesh ⓘ |
| connectedTo | Bangladesh national power grid NERFINISHED ⓘ |
| constructionStartDate | 1957 ⓘ |
| country |
People's Republic of Bangladesh (from East Pakistan)
ⓘ
surface form:
Bangladesh
|
| creates | Kaptai Lake NERFINISHED ⓘ |
| crosses | Karnaphuli River NERFINISHED ⓘ |
| damType |
earth-fill dam
ⓘ
embankment dam ⓘ |
| designedBy | U.S. Bureau of Reclamation NERFINISHED ⓘ |
| elevationOfReservoir | approximately 33 meters above sea level ⓘ |
| environmentalEffect | changes in local aquatic ecosystems ⓘ |
| fundedBy | United States Agency for International Development NERFINISHED ⓘ |
| hasPowerStation | Kaptai Hydroelectric Power Station NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| impact |
displacement of local population
ⓘ
submergence of agricultural land ⓘ submergence of parts of Rangamati town ⓘ |
| impactOnCommunities | affected Chakma and other indigenous peoples ⓘ |
| installedCapacity | 230 MW ⓘ |
| locatedIn |
Chittagong Hill Tracts
NERFINISHED
ⓘ
Rangamati District NERFINISHED ⓘ |
| locatedInRegion | southeastern Bangladesh ⓘ |
| nearCity |
Kaptai
NERFINISHED
ⓘ
Rangamati NERFINISHED ⓘ |
| notableFeature | first large hydroelectric project in Bangladesh region ⓘ |
| notableFor | largest man-made lake in Bangladesh ⓘ |
| numberOfTurbines | 5 ⓘ |
| openingDate | 1962 ⓘ |
| operator | Bangladesh Power Development Board NERFINISHED ⓘ |
| ownedBy | Government of Bangladesh NERFINISHED ⓘ |
| primaryPurpose | hydroelectric power generation ⓘ |
| recreation | boating on Kaptai Lake ⓘ |
| regionServed | national grid of Bangladesh ⓘ |
| reservoirName | Kaptai Lake NERFINISHED ⓘ |
| reservoirType | artificial lake ⓘ |
| riverBasin | Karnaphuli River Basin NERFINISHED ⓘ |
| secondaryPurpose |
flood control
ⓘ
irrigation support ⓘ |
| significance | major source of electricity in Bangladesh ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| status | operational ⓘ |
| tourism | supports tourism around Kaptai Lake ⓘ |
| turbineType | Francis-type turbine ⓘ |
| watercourse | Karnaphuli 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: Kaptai Dam Description of subject: Kaptai Dam is a major hydroelectric dam in southeastern Bangladesh, known for creating Kaptai Lake and supplying a significant portion of the country’s electricity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.