Pukaki Dam
E588745
Pukaki Dam is a major hydroelectric dam in New Zealand’s South Island that regulates Lake Pukaki as part of the Waitaki River power scheme.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pukaki Dam canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6201981 — 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: Pukaki Dam Context triple: [Lake Pukaki, hasDam, Pukaki Dam]
-
A.
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.
-
B.
Kajaki Dam
Kajaki Dam is a major hydroelectric and irrigation dam on the Helmand River in southern Afghanistan, known both for its strategic importance and as the site of significant military activity during the Afghan conflict.
-
C.
Lodoyo Dam
Lodoyo Dam is a water control and irrigation structure located on the Brantas River in East Java, Indonesia.
-
D.
Larji Dam
Larji Dam is a hydroelectric dam on the Beas River in Himachal Pradesh, India, known for power generation and irrigation support in the surrounding region.
-
E.
Mutirikwi Dam
Mutirikwi Dam is a major concrete arch dam in southeastern Zimbabwe that creates Lake Mutirikwi and serves as an important source of irrigation water and hydroelectric power.
- 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: Pukaki Dam Target entity description: Pukaki Dam is a major hydroelectric dam in New Zealand’s South Island that regulates Lake Pukaki as part of the Waitaki River power scheme.
-
A.
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.
-
B.
Kajaki Dam
Kajaki Dam is a major hydroelectric and irrigation dam on the Helmand River in southern Afghanistan, known both for its strategic importance and as the site of significant military activity during the Afghan conflict.
-
C.
Lodoyo Dam
Lodoyo Dam is a water control and irrigation structure located on the Brantas River in East Java, Indonesia.
-
D.
Larji Dam
Larji Dam is a hydroelectric dam on the Beas River in Himachal Pradesh, India, known for power generation and irrigation support in the surrounding region.
-
E.
Mutirikwi Dam
Mutirikwi Dam is a major concrete arch dam in southeastern Zimbabwe that creates Lake Mutirikwi and serves as an important source of irrigation water and hydroelectric power.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| associatedWith | Lake Pukaki blue-turquoise colour ⓘ |
| basinCountry | New Zealand ⓘ |
| connectedTo |
Pukaki-Ohau canal
ⓘ
linked to:
Pukaki Canal
Tekapo-Pukaki canal ⓘ
linked to:
Pukaki Canal
|
| constructionStart | 1940s ⓘ |
| country | New Zealand ⓘ |
| elevationOfReservoir | approximately 518 metres above sea level ⓘ |
| expanded | 1970s ⓘ |
| feeds |
Ohau A Power Station
ⓘ
Ohau B Power Station ⓘ Ohau C Power Station ⓘ |
| hasCatchment | Southern Alps ⓘ |
| hasFunction |
peaking generation support
ⓘ
seasonal storage ⓘ |
| hasRole | primary storage lake for Waitaki scheme ⓘ |
| hasSpillway | controlled spillway ⓘ |
| hasStatus | operational ⓘ |
| hasType | earth and rockfill embankment components ⓘ |
| impounds | Lake Pukaki ⓘ |
| isInHydrologicalSystem | Waitaki River catchment ⓘ |
| isKeyStorageFor |
Waitaki power system
ⓘ
linked to:
Waitaki hydroelectric scheme
|
| locatedIn | South Island ⓘ |
| locatedInCountrySubdivision | Mackenzie District ⓘ |
| locatedInRegion | Canterbury Region ⓘ |
| locatedNear |
Mount Cook National Park
ⓘ
linked to:
Aoraki / Mount Cook National Park
Twizel ⓘ |
| locatedOn | Lake Pukaki outlet ⓘ |
| locatedOnRiver | Pukaki River ⓘ |
| managesOutflowTo | Waitaki River ⓘ |
| nearbyCity | Twizel ⓘ |
| nearbyHighway | State Highway 8 ⓘ |
| nearbyTown | Lake Tekapo ⓘ |
| operator | Meridian Energy ⓘ |
| ownedBy |
New Zealand Government (via state-owned enterprise)
ⓘ
linked to:
New Zealand government
|
| partOf |
New Zealand national electricity grid infrastructure
ⓘ
Waitaki River power scheme ⓘ
linked to:
Waitaki hydroelectric scheme
Waitaki hydro scheme ⓘ
linked to:
Waitaki hydroelectric scheme
|
| purpose |
flow regulation
ⓘ
hydroelectric power generation ⓘ water storage ⓘ |
| regionHydropowerImportance | one of New Zealand’s major hydro storage dams ⓘ |
| regulates | Lake Pukaki ⓘ |
| regulatesFor | downstream Waitaki River power stations ⓘ |
| waterSource | glacial meltwater ⓘ |
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: Pukaki Dam Description of subject: Pukaki Dam is a major hydroelectric dam in New Zealand’s South Island that regulates Lake Pukaki as part of the Waitaki River power scheme.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.