Tekapo B Power Station
E574589
Tekapo B Power Station is a hydroelectric power station in New Zealand that generates electricity using water from Lake Tekapo as part of the Waitaki hydro scheme.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tekapo B Power Station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6139436 — 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: Tekapo B Power Station Context triple: [Lake Tekapo, hasStructure, Tekapo B Power Station]
-
A.
Tekapo A Power Station
Tekapo A Power Station is a hydroelectric power station in New Zealand that harnesses water from Lake Tekapo as part of the Waitaki River hydro scheme.
-
B.
Ohakuri Power Station
Ohakuri Power Station is a major hydroelectric power station on New Zealand’s North Island that harnesses the Waikato River to generate electricity.
-
C.
Karapiro Power Station
Karapiro Power Station is a hydroelectric power station in New Zealand that harnesses the flow of the Waikato River to generate electricity.
-
D.
Manapouri Power Station
Manapouri Power Station is a large underground hydroelectric power station in Fiordland, New Zealand, renowned for harnessing the waters of Lake Manapouri to generate electricity, primarily for the Tiwai Point aluminium smelter.
-
E.
Maraetai Power Station
Maraetai Power Station is a major hydroelectric power station on New Zealand’s Waikato River that forms part of the country’s largest river-based generation system.
- 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: Tekapo B Power Station Target entity description: Tekapo B Power Station is a hydroelectric power station in New Zealand that generates electricity using water from Lake Tekapo as part of the Waitaki hydro scheme.
-
A.
Tekapo A Power Station
Tekapo A Power Station is a hydroelectric power station in New Zealand that harnesses water from Lake Tekapo as part of the Waitaki River hydro scheme.
-
B.
Ohakuri Power Station
Ohakuri Power Station is a major hydroelectric power station on New Zealand’s North Island that harnesses the Waikato River to generate electricity.
-
C.
Karapiro Power Station
Karapiro Power Station is a hydroelectric power station in New Zealand that harnesses the flow of the Waikato River to generate electricity.
-
D.
Manapouri Power Station
Manapouri Power Station is a large underground hydroelectric power station in Fiordland, New Zealand, renowned for harnessing the waters of Lake Manapouri to generate electricity, primarily for the Tiwai Point aluminium smelter.
-
E.
Maraetai Power Station
Maraetai Power Station is a major hydroelectric power station on New Zealand’s Waikato River that forms part of the country’s largest river-based generation system.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | hydroelectric power station ⓘ |
| commissioned | 1977 ⓘ |
| connectedByCanalTo | Lake Tekapo NERFINISHED ⓘ |
| connectedTo | transmission substations in the South Island ⓘ |
| coolingMethod | water-cooled ⓘ |
| country | New Zealand ⓘ |
| distanceFromLakeTekapo | approximately 25 kilometres downstream ⓘ |
| downstreamOf | Tekapo A Power Station NERFINISHED ⓘ |
| energySource | potential energy of stored water ⓘ |
| environmentalImpact | modification of natural river flow ⓘ |
| generatingUnits | 2 ⓘ |
| gridConnection | New Zealand national grid NERFINISHED ⓘ |
| gridFrequency | 50 Hz ⓘ |
| hasGenerationType | renewable energy ⓘ |
| hasInfrastructure |
intake structure
ⓘ
powerhouse ⓘ switchyard ⓘ tailrace ⓘ |
| hasName | Tekapo B Power Station NERFINISHED ⓘ |
| hasPenstocks | yes ⓘ |
| hasReservoir | Lake Tekapo NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| hasTurbineType | Francis turbine ⓘ |
| hasType | run-of-river hydroelectric station ⓘ |
| inflow | Lake Tekapo NERFINISHED ⓘ |
| locatedIn |
Canterbury Region
NERFINISHED
ⓘ
South Island ⓘ |
| locatedInCountrySubdivision | Mackenzie District NERFINISHED ⓘ |
| locatedNear | Lake Pukaki NERFINISHED ⓘ |
| locatedOnRiverSystem | Waitaki River system NERFINISHED ⓘ |
| numberOfTurbines | 2 ⓘ |
| operator | Genesis Energy Limited NERFINISHED ⓘ |
| outflow | Lake Pukaki NERFINISHED ⓘ |
| ownedBy | Genesis Energy Limited NERFINISHED ⓘ |
| partOf |
New Zealand electricity system
ⓘ
Waitaki hydro scheme NERFINISHED ⓘ |
| partOfCascade | Waitaki River power stations cascade NERFINISHED ⓘ |
| precededBy | Tekapo A Power Station NERFINISHED ⓘ |
| primaryFuel | hydropower ⓘ |
| purpose | electricity generation ⓘ |
| regionServed | New Zealand NERFINISHED ⓘ |
| regulates | water flows between Lake Tekapo and Lake Pukaki ⓘ |
| status | operational ⓘ |
| upstreamOf | hydro stations on the Waitaki River ⓘ |
| usesWaterFrom | Lake Tekapo NERFINISHED ⓘ |
| waterSource | Lake Tekapo 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: Tekapo B Power Station Description of subject: Tekapo B Power Station is a hydroelectric power station in New Zealand that generates electricity using water from Lake Tekapo as part of the Waitaki hydro scheme.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.