Roxburgh Dam
E565150
Roxburgh Dam is a major hydroelectric power station in New Zealand’s South Island, known for harnessing the Clutha River / Mata-Au to generate electricity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Roxburgh Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6041298 — 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: Roxburgh Dam Context triple: [Clutha River / Mata-Au, hasHydroelectricDam, Roxburgh Dam]
-
A.
Moondarra Dam
Moondarra Dam is a major water storage and irrigation structure in Queensland, Australia, built to supply water to the nearby city of Mount Isa and its mining operations.
-
B.
O’Sullivan Dam
O’Sullivan Dam is a major earth-fill dam in central Washington State that forms Potholes Reservoir and plays a key role in irrigation and water management for the Columbia Basin Project.
-
C.
Brownlee Dam
Brownlee Dam is a major hydroelectric dam on the Snake River in the western United States, forming Brownlee Reservoir and playing a key role in regional power generation and water management.
-
D.
Hume Dam
Hume Dam is a major concrete gravity dam in southeastern Australia that forms Lake Hume and plays a key role in water storage, irrigation, and flood control in the Murray–Darling Basin.
-
E.
Talbingo Dam
Talbingo Dam is a major rockfill embankment dam in New South Wales, Australia, forming part of the Snowy Mountains Scheme and creating Talbingo Reservoir for hydroelectric power generation and water storage.
- 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: Roxburgh Dam Target entity description: Roxburgh Dam is a major hydroelectric power station in New Zealand’s South Island, known for harnessing the Clutha River / Mata-Au to generate electricity.
-
A.
Moondarra Dam
Moondarra Dam is a major water storage and irrigation structure in Queensland, Australia, built to supply water to the nearby city of Mount Isa and its mining operations.
-
B.
O’Sullivan Dam
O’Sullivan Dam is a major earth-fill dam in central Washington State that forms Potholes Reservoir and plays a key role in irrigation and water management for the Columbia Basin Project.
-
C.
Brownlee Dam
Brownlee Dam is a major hydroelectric dam on the Snake River in the western United States, forming Brownlee Reservoir and playing a key role in regional power generation and water management.
-
D.
Hume Dam
Hume Dam is a major concrete gravity dam in southeastern Australia that forms Lake Hume and plays a key role in water storage, irrigation, and flood control in the Murray–Darling Basin.
-
E.
Talbingo Dam
Talbingo Dam is a major rockfill embankment dam in New South Wales, Australia, forming part of the Snowy Mountains Scheme and creating Talbingo Reservoir for hydroelectric power generation and water storage.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric power station ⓘ |
| commissioningDate | 1956 ⓘ |
| constructionStartDate | 1949 ⓘ |
| continent | Oceania ⓘ |
| country | New Zealand ⓘ |
| countryCode | NZ NERFINISHED ⓘ |
| createsReservoir | Lake Roxburgh NERFINISHED ⓘ |
| damType | concrete gravity dam ⓘ |
| energyConversionType | potential energy of water to electrical energy ⓘ |
| gridConnection | New Zealand national grid NERFINISHED ⓘ |
| hasPowerStation | Roxburgh Power Station NERFINISHED ⓘ |
| hasReservoir | Lake Roxburgh NERFINISHED ⓘ |
| hasReservoirUse |
hydroelectric storage
ⓘ
recreation ⓘ |
| hasSpillway | yes ⓘ |
| installedCapacity | 320 MW ⓘ |
| languageOfToponym | English ⓘ |
| locatedIn | South Island ⓘ |
| locatedInCountrySubdivision | Otago Region NERFINISHED ⓘ |
| locatedInIsland | South Island of New Zealand NERFINISHED ⓘ |
| locatedInRegion | Otago NERFINISHED ⓘ |
| locatedNear |
Alexandra
NERFINISHED
ⓘ
Roxburgh NERFINISHED ⓘ |
| locatedOnRiver | Clutha River / Mata-Au NERFINISHED ⓘ |
| managedBy | Contact Energy NERFINISHED ⓘ |
| nearbySettlement |
Millers Flat
NERFINISHED
ⓘ
Roxburgh NERFINISHED ⓘ |
| numberOfTurbines | 8 ⓘ |
| openingDate | 1956 ⓘ |
| operator | Contact Energy NERFINISHED ⓘ |
| ownedBy | Contact Energy NERFINISHED ⓘ |
| partOf | New Zealand electricity system ⓘ |
| primaryEnergySource | hydropower ⓘ |
| purpose | electricity generation ⓘ |
| regionTimeZone | NZST NERFINISHED ⓘ |
| regionTimeZoneDST | NZDT ⓘ |
| reservoirName | Lake Roxburgh NERFINISHED ⓘ |
| riverBasin | Clutha River basin NERFINISHED ⓘ |
| riverNameInEnglish | Clutha River NERFINISHED ⓘ |
| riverNameInMāori | Mata-Au NERFINISHED ⓘ |
| significance | one of New Zealand’s earliest large hydroelectric schemes ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
| usedFor | renewable electricity generation ⓘ |
| watercourseDammed | Clutha River / Mata-Au 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: Roxburgh Dam Description of subject: Roxburgh Dam is a major hydroelectric power station in New Zealand’s South Island, known for harnessing the Clutha River / Mata-Au to generate electricity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.