Karapiro Power Station
E416600
Karapiro Power Station is a hydroelectric power station in New Zealand that harnesses the flow of the Waikato River to generate electricity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Karapiro Power Station canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T4125589 — 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: Karapiro Power Station Context triple: [Waikato River, hasHydroelectricDam, Karapiro Power Station]
-
A.
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.
-
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.
Maule hydropower complex
The Maule hydropower complex is a system of hydroelectric facilities on Chile’s Maule River that generates electricity by harnessing the river’s flow.
-
D.
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.
-
E.
Olidan power station
Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
- 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: Karapiro Power Station Target entity description: Karapiro Power Station is a hydroelectric power station in New Zealand that harnesses the flow of the Waikato River to generate electricity.
-
A.
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.
-
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.
Maule hydropower complex
The Maule hydropower complex is a system of hydroelectric facilities on Chile’s Maule River that generates electricity by harnessing the river’s flow.
-
D.
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.
-
E.
Olidan power station
Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | hydroelectric power station ⓘ |
| basinCountry | New Zealand ⓘ |
| commissioned | 1947 ⓘ |
| constructionBegan | 1940 ⓘ |
| country | New Zealand ⓘ |
| creates | Lake Karapiro NERFINISHED ⓘ |
| damCrosses | Waikato River NERFINISHED ⓘ |
| distanceFrom | approximately 30 km southeast of Hamilton, New Zealand ⓘ |
| environmentalImpact | modification of Waikato River flow and creation of Lake Karapiro ⓘ |
| feedsInto | Waikato River downstream ⓘ |
| fuelType | water ⓘ |
| generatingUnits | 3 ⓘ |
| gridConnection |
New Zealand electricity grid
ⓘ
surface form:
New Zealand national grid
|
| gridOperator | Transpower New Zealand ⓘ |
| hasCatchment | Waikato River catchment NERFINISHED ⓘ |
| hasFunction | peaking and base-load generation ⓘ |
| hasInfrastructureType | gravity dam and powerhouse complex ⓘ |
| hasOutlet | Waikato River NERFINISHED ⓘ |
| hasReservoir | Lake Karapiro NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| historicalSignificance | last hydroelectric station completed on the Waikato River cascade in the mid-20th century ⓘ |
| installedCapacity | 96 MW ⓘ |
| isPartOfCascade |
Waikato hydro scheme
ⓘ
surface form:
Waikato River hydroelectric cascade
|
| locatedDownstreamOf | Horahora Power Station (former) ⓘ |
| locatedIn | North Island ⓘ |
| locatedInCountrySubdivision | Waikato Region NERFINISHED ⓘ |
| locatedInRegion | Waikato NERFINISHED ⓘ |
| locatedNear | Cambridge, New Zealand ⓘ |
| locatedOnRiver | Waikato River NERFINISHED ⓘ |
| locatedUpstreamOf | Arapuni Power Station NERFINISHED ⓘ |
| namedAfter | Karapiro ⓘ |
| numberOfTurbines | 3 ⓘ |
| opened | 1947 ⓘ |
| operator | Mercury NZ Limited NERFINISHED ⓘ |
| ownedBy | Mercury NZ Limited NERFINISHED ⓘ |
| partOf |
New Zealand electricity grid
ⓘ
surface form:
New Zealand national electricity grid
Waikato hydro scheme ⓘ
surface form:
Waikato River hydroelectric system
|
| plantType | run-of-river hydroelectric plant ⓘ |
| primaryEnergySource | hydropower ⓘ |
| regionServed |
North Island
ⓘ
surface form:
North Island of New Zealand
|
| reservoirName | Lake Karapiro NERFINISHED ⓘ |
| status | operational ⓘ |
| supportsActivity | rowing on Lake Karapiro ⓘ |
| turbineType | Francis turbine ⓘ |
| usedFor |
electricity generation
ⓘ
river flow regulation ⓘ supporting recreational activities on Lake Karapiro ⓘ |
| watercourse | Waikato River 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: Karapiro Power Station Description of subject: Karapiro Power Station is a hydroelectric power station in New Zealand that harnesses the flow of the Waikato River to generate electricity.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.