Clyde Dam
E578515
Clyde Dam is a major concrete gravity hydroelectric dam in Central Otago, New Zealand, forming Lake Dunstan and generating power as one of the country’s largest hydro stations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Clyde Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6041297 — 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: Clyde Dam Context triple: [Clutha River / Mata-Au, hasHydroelectricDam, Clyde Dam]
-
A.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
-
B.
Duncan Dam
Duncan Dam is a major hydroelectric and flood-control dam on the Duncan River in British Columbia, forming part of the Columbia River Treaty system.
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C.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
D.
Chili Bar Dam
Chili Bar Dam is a hydroelectric dam on California’s South Fork American River that helps regulate river flows and supports regional power generation and recreation.
-
E.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
- 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: Clyde Dam Target entity description: Clyde Dam is a major concrete gravity hydroelectric dam in Central Otago, New Zealand, forming Lake Dunstan and generating power as one of the country’s largest hydro stations.
-
A.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
-
B.
Duncan Dam
Duncan Dam is a major hydroelectric and flood-control dam on the Duncan River in British Columbia, forming part of the Columbia River Treaty system.
-
C.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
D.
Chili Bar Dam
Chili Bar Dam is a hydroelectric dam on California’s South Fork American River that helps regulate river flows and supports regional power generation and recreation.
-
E.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
hydroelectric dam ⓘ |
| category |
Buildings and structures in Otago
ⓘ
Dams in New Zealand ⓘ Hydroelectric power stations in New Zealand ⓘ |
| commissioned | 1992 ⓘ |
| constructionBegan | 1979 ⓘ |
| constructionChallenges | geological instability in Cromwell Gorge ⓘ |
| constructionType | roller-compacted concrete ⓘ |
| country | New Zealand ⓘ |
| damType | gravity dam ⓘ |
| designedFor | peak and base load generation ⓘ |
| formsReservoir | Lake Dunstan NERFINISHED ⓘ |
| gridConnection | Transpower New Zealand grid ⓘ |
| hasOfficialLanguageOfCountry | English ⓘ |
| hasSpillway | yes ⓘ |
| height | 75 m ⓘ |
| impact |
creation of Lake Dunstan recreational area
ⓘ
partial inundation of Cromwell town historic area ⓘ |
| installedCapacity | 432 MW ⓘ |
| isOneOfLargestHydroStationsIn | New Zealand NERFINISHED ⓘ |
| length | 490 m ⓘ |
| locatedIn | Central Otago NERFINISHED ⓘ |
| locatedInCountrySubdivision | South Island NERFINISHED ⓘ |
| locatedInValley | Clutha Valley NERFINISHED ⓘ |
| locatedOnRiver | Clutha River NERFINISHED ⓘ |
| namedAfter | Clyde NERFINISHED ⓘ |
| nearCity |
Alexandra
NERFINISHED
ⓘ
Clyde NERFINISHED ⓘ |
| numberOfTurbines | 4 ⓘ |
| openingDate | 1992 ⓘ |
| operator | Contact Energy NERFINISHED ⓘ |
| ownedBy | Contact Energy NERFINISHED ⓘ |
| partOf | New Zealand national electricity grid NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
power generation ⓘ |
| region | Otago NERFINISHED ⓘ |
| reservoirCreatedByInundationOf | parts of Cromwell Gorge ⓘ |
| reservoirName | Lake Dunstan NERFINISHED ⓘ |
| reservoirSurfaceArea | 26 km² ⓘ |
| riverBasin | Clutha River basin NERFINISHED ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
| 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: Clyde Dam Description of subject: Clyde Dam is a major concrete gravity hydroelectric dam in Central Otago, New Zealand, forming Lake Dunstan and generating power as one of the country’s largest hydro stations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.