Waipapa Power Station
E420510
Waipapa Power Station is a hydroelectric power station on New Zealand’s Waikato River that forms part of the country’s major North Island electricity generation network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Waipapa Power Station canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4125590 — 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: Waipapa Power Station Context triple: [Waikato River, hasHydroelectricDam, Waipapa Power Station]
-
A.
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.
-
B.
Arapuni Power Station
Arapuni Power Station is a major hydroelectric power facility in New Zealand, located on the Waikato River and known for its large concrete arch dam and contribution to the national grid.
-
C.
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.
-
D.
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.
-
E.
Blowering Power Station
Blowering Power Station is a hydroelectric power facility in New South Wales, Australia, that forms part of the Snowy Mountains region’s renewable energy infrastructure.
- 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: Waipapa Power Station Target entity description: Waipapa Power Station is a hydroelectric power station on New Zealand’s Waikato River that forms part of the country’s major North Island electricity generation network.
-
A.
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.
-
B.
Arapuni Power Station
Arapuni Power Station is a major hydroelectric power facility in New Zealand, located on the Waikato River and known for its large concrete arch dam and contribution to the national grid.
-
C.
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.
-
D.
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.
-
E.
Blowering Power Station
Blowering Power Station is a hydroelectric power facility in New South Wales, Australia, that forms part of the Snowy Mountains region’s renewable energy infrastructure.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf | hydroelectric power station ⓘ |
| commissionedInYear | 1961 ⓘ |
| connectedToGridBy | overhead transmission lines ⓘ |
| constructionStartedInYear | 1955 ⓘ |
| contributesTo | North Island electricity supply ⓘ |
| country | New Zealand ⓘ |
| damType | concrete gravity dam ⓘ |
| formsPartOf |
New Zealand electricity generation network
ⓘ
Waikato hydro scheme ⓘ
surface form:
Waikato River hydroelectric scheme
|
| gridConnectionVoltage | 110 kV ⓘ |
| hasAnnualGeneration | approximately 330 GWh ⓘ |
| hasCatchment | Waikato River catchment NERFINISHED ⓘ |
| hasInstalledCapacity | 54 MW ⓘ |
| hasNumberOfTurbines | 3 ⓘ |
| hasOperatorHeadquartersIn | Auckland ONNED1 ⓘ |
| hasSpillway | yes ⓘ |
| hasStatus | operational ⓘ |
| isPartOfCascade | Waikato River power stations ⓘ |
| isRunOfRiver | yes ⓘ |
| locatedBetween |
Arapuni Power Station
NERFINISHED
ⓘ
Karepiro (Karapiro) Power Station NERFINISHED ⓘ |
| locatedInRegion | Waikato NERFINISHED ⓘ |
| locatedNear | Mangakino ⓘ |
| locatedOnIsland | North Island ⓘ |
| locatedOnRiver | Waikato River NERFINISHED ⓘ |
| operatedBy | Mercury NZ Limited NERFINISHED ⓘ |
| ownedBy | Mercury NZ Limited NERFINISHED ⓘ |
| primaryEnergySource | hydropower ⓘ |
| purpose | electricity generation ⓘ |
| regulatesFlowFor | downstream Waikato River stations ⓘ |
| reservoirName | Lake Waipapa ⓘ |
| usesTurbineType | Francis turbine ⓘ |
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: Waipapa Power Station Description of subject: Waipapa Power Station is a hydroelectric power station on New Zealand’s Waikato River that forms part of the country’s major North Island electricity generation network.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.