Merikoski power plant
E628665
Merikoski power plant is a hydroelectric power station located on the Oulujoki River in Oulu, Finland, generating electricity from the river’s flow.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Oulujoki hydropower system | 2 |
| Merikoski power plant canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6939583 — 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: Merikoski power plant Context triple: [Oulujoki, hasHydropowerPlant, Merikoski power plant]
-
A.
Imatra hydropower plant
The Imatra hydropower plant is one of Finland’s largest and oldest hydroelectric stations, harnessing the rapids at Imatra to generate electricity and serving as a notable industrial and tourist landmark.
-
B.
Tumut 3 Power Station
Tumut 3 Power Station is a major hydroelectric and pumped-storage power station in New South Wales, Australia, forming part of the large-scale Snowy Mountains hydroelectric scheme.
-
C.
Kurpsai Hydroelectric Power Plant
Kurpsai Hydroelectric Power Plant is a major hydroelectric facility in Kyrgyzstan that generates electricity by harnessing the flow of the Naryn River.
-
D.
Tumut 1 Power Station
Tumut 1 Power Station is a major hydroelectric power station in New South Wales, Australia, forming part of the large Snowy Mountains hydroelectric and irrigation complex.
-
E.
Tumut 2 Power Station
Tumut 2 Power Station is a major hydroelectric power station in New South Wales, Australia, forming part of the large-scale Snowy Mountains hydroelectric and irrigation complex.
- 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: Merikoski power plant Target entity description: Merikoski power plant is a hydroelectric power station located on the Oulujoki River in Oulu, Finland, generating electricity from the river’s flow.
-
A.
Imatra hydropower plant
The Imatra hydropower plant is one of Finland’s largest and oldest hydroelectric stations, harnessing the rapids at Imatra to generate electricity and serving as a notable industrial and tourist landmark.
-
B.
Tumut 3 Power Station
Tumut 3 Power Station is a major hydroelectric and pumped-storage power station in New South Wales, Australia, forming part of the large-scale Snowy Mountains hydroelectric scheme.
-
C.
Kurpsai Hydroelectric Power Plant
Kurpsai Hydroelectric Power Plant is a major hydroelectric facility in Kyrgyzstan that generates electricity by harnessing the flow of the Naryn River.
-
D.
Tumut 1 Power Station
Tumut 1 Power Station is a major hydroelectric power station in New South Wales, Australia, forming part of the large Snowy Mountains hydroelectric and irrigation complex.
-
E.
Tumut 2 Power Station
Tumut 2 Power Station is a major hydroelectric power station in New South Wales, Australia, forming part of the large-scale Snowy Mountains hydroelectric and irrigation complex.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power station
ⓘ
run-of-the-river power plant ⓘ |
| basinCountry | Finland ⓘ |
| connectsTo | Oulu electrical distribution network ⓘ |
| continent | Europe ⓘ |
| country | Finland ⓘ |
| energySource | hydropower ⓘ |
| gridConnection | Finnish national grid ⓘ |
| gridRole | regional power supply ⓘ |
| hasAccess | service roads ⓘ |
| hasBuildingType | industrial facility ⓘ |
| hasDam | Merikoski dam ⓘ |
| hasEnvironmentalImpact |
fish migration barrier
ⓘ
modification of Oulujoki River flow ⓘ |
| hasFunction |
base-load power generation
ⓘ
peak-load power support ⓘ |
| hasInfrastructure |
intake channel
ⓘ
powerhouse ⓘ spillway ⓘ tailrace channel ⓘ |
| hasNameInLanguage | Merikosken voimalaitos (Finnish) ⓘ |
| hasOwner | Oulun Energia ⓘ |
| hasPurpose | electricity generation ⓘ |
| hasSafetyFeature | floodgates ⓘ |
| hasStatus | operational ⓘ |
| hasTurbineType | Kaplan turbine ⓘ |
| isDownstreamOf | Montta power plant ⓘ |
| isPartOf |
Oulujoki hydropower system
ⓘ
linked to:
Merikoski power plant
|
| isUpstreamOf | Pyhäkoski power plant ⓘ |
| locatedIn |
Northern Ostrobothnia
ⓘ
Oulu ⓘ Oulu city centre area ⓘ
linked to:
Oulu
|
| locatedNear |
Bothnian Bay coast
ⓘ
linked to:
Bothnian coast
Hollihaka city district ⓘ Merikosken silta ⓘ Oulu city centre ⓘ
linked to:
Oulu
Tuiran city district ⓘ |
| locatedOnRiver |
Oulujoki River
ⓘ
linked to:
Oulujoki
|
| municipality | Oulu ⓘ |
| nearbyCity | Oulu ⓘ |
| operator | Oulun Energia ⓘ |
| ownedBy |
City of Oulu (through Oulun Energia)
ⓘ
linked to:
Oulun Energia Areena
|
| region | Northern Ostrobothnia ⓘ |
| sector | energy sector ⓘ |
| subsector | hydropower generation ⓘ |
| usesResource | flow of Oulujoki River ⓘ |
| waterBody |
Oulujoki River
ⓘ
linked to:
Oulujoki
|
| watercourse |
Oulujoki water system
ⓘ
linked to:
Oulujoki
|
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: Merikoski power plant Description of subject: Merikoski power plant is a hydroelectric power station located on the Oulujoki River in Oulu, Finland, generating electricity from the river’s flow.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Merikoski power plant
linked to: Merikoski power plant