Waitaki Dam
E578630
Waitaki Dam is a major hydroelectric gravity dam in New Zealand’s South Island, forming part of the Waitaki hydro scheme and helping generate renewable electricity from the Waitaki River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Waitaki Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6201926 — 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: Waitaki Dam Context triple: [Waitaki River, hasDam, Waitaki Dam]
-
A.
Waitaki hydroelectric scheme
The Waitaki hydroelectric scheme is a major series of dams, canals, and power stations on the Waitaki River system in New Zealand, providing a significant portion of the country’s hydroelectric power.
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B.
Waikato hydro scheme
The Waikato hydro scheme is a series of hydroelectric power stations and dams on New Zealand’s Waikato River that form a major source of renewable electricity for the country.
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C.
Karapiro Dam
Karapiro Dam is a major hydroelectric dam in New Zealand that forms Lake Karapiro and plays a key role in power generation and water management on the Waikato River.
-
D.
Tawa Dam
Tawa Dam is a major masonry dam in Madhya Pradesh, India, built on the Tawa River for irrigation, flood control, and hydroelectric power generation.
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E.
Arapuni Dam
Arapuni Dam is a major hydroelectric power station and concrete arch dam on New Zealand’s North Island, contributing significantly to the country’s renewable electricity 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: Waitaki Dam Target entity description: Waitaki Dam is a major hydroelectric gravity dam in New Zealand’s South Island, forming part of the Waitaki hydro scheme and helping generate renewable electricity from the Waitaki River.
-
A.
Waitaki hydroelectric scheme
The Waitaki hydroelectric scheme is a major series of dams, canals, and power stations on the Waitaki River system in New Zealand, providing a significant portion of the country’s hydroelectric power.
-
B.
Waikato hydro scheme
The Waikato hydro scheme is a series of hydroelectric power stations and dams on New Zealand’s Waikato River that form a major source of renewable electricity for the country.
-
C.
Karapiro Dam
Karapiro Dam is a major hydroelectric dam in New Zealand that forms Lake Karapiro and plays a key role in power generation and water management on the Waikato River.
-
D.
Tawa Dam
Tawa Dam is a major masonry dam in Madhya Pradesh, India, built on the Tawa River for irrigation, flood control, and hydroelectric power generation.
-
E.
Arapuni Dam
Arapuni Dam is a major hydroelectric power station and concrete arch dam on New Zealand’s North Island, contributing significantly to the country’s renewable electricity generation.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ infrastructure ⓘ |
| basinCountry | New Zealand NERFINISHED ⓘ |
| constructionBegan | 1928 ⓘ |
| constructionMaterial | concrete ⓘ |
| contributesTo | New Zealand renewable electricity supply ⓘ |
| country | New Zealand ⓘ |
| damType | concrete gravity ⓘ |
| designedFor | hydroelectric generation ⓘ |
| downstreamFrom | Benmore Dam NERFINISHED ⓘ |
| energySource |
hydropower
ⓘ
renewable energy ⓘ |
| environmentalRole | supports renewable energy production ⓘ |
| hasFeature | concrete gravity structure ⓘ |
| hasPowerStation | Waitaki Power Station NERFINISHED ⓘ |
| hasReservoir | Waitaki River impoundment ⓘ |
| hasSignificance | major hydroelectric asset in New Zealand ⓘ |
| isInfrastructureType | hydropower infrastructure ⓘ |
| isNamedAfter | Waitaki River NERFINISHED ⓘ |
| isOnIsland | South Island of New Zealand NERFINISHED ⓘ |
| isPartOf | New Zealand national electricity grid NERFINISHED ⓘ |
| locatedIn |
South Island
ⓘ
Waitaki River valley NERFINISHED ⓘ |
| locatedInContinent | Oceania NERFINISHED ⓘ |
| locatedInDistrict | Waitaki District NERFINISHED ⓘ |
| locatedInRegion | Canterbury Region NERFINISHED ⓘ |
| locatedNear |
Kurow
NERFINISHED
ⓘ
Otematata NERFINISHED ⓘ |
| locatedOnRiver | Waitaki River NERFINISHED ⓘ |
| managedBy | Meridian Energy NERFINISHED ⓘ |
| numberOfTurbines | 7 ⓘ |
| openingYear | 1934 ⓘ |
| operator | Meridian Energy NERFINISHED ⓘ |
| owner | Meridian Energy NERFINISHED ⓘ |
| partOf | Waitaki hydro scheme NERFINISHED ⓘ |
| partOfCascade | Waitaki River hydro cascade NERFINISHED ⓘ |
| plantType | run-of-river ⓘ |
| primaryFunction | hydroelectric power generation ⓘ |
| purpose |
power generation
ⓘ
river regulation ⓘ |
| spillwayType | gated spillway ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
| upstreamFrom | Aviemore Dam NERFINISHED ⓘ |
| watercourseCrossed | Waitaki 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: Waitaki Dam Description of subject: Waitaki Dam is a major hydroelectric gravity dam in New Zealand’s South Island, forming part of the Waitaki hydro scheme and helping generate renewable electricity from the Waitaki River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.