Älvkarleby hydropower station
E538543
Älvkarleby hydropower station is a major Swedish hydroelectric facility on the Dalälven River, known for its early 20th-century construction and role in regional power generation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Älvkarleby hydropower station canonical | 1 |
| Älvkarleby power station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5634699 — 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: Älvkarleby hydropower station Context triple: [Älvkarleby Municipality, hasHydroelectricPlant, Älvkarleby hydropower station]
-
A.
Trollhättan hydropower area
Trollhättan hydropower area is a major Swedish hydroelectric power complex built around the Trollhättan Falls on the Göta älv river, known for its dams, power stations, and role in regional energy production.
-
B.
Lysebotn Hydropower Station
Lysebotn Hydropower Station is a major Norwegian hydroelectric power plant located at the end of the Lysefjord, known for its large underground facilities and significant electricity production.
-
C.
Hellefoss power station
Hellefoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable energy from the river’s flow.
-
D.
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.
-
E.
Sarpsfossen power station
Sarpsfossen power station is a hydroelectric power plant in Norway that harnesses the energy of the Glomma River at the Sarpsfossen waterfall to generate electricity.
- 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: Älvkarleby hydropower station Target entity description: Älvkarleby hydropower station is a major Swedish hydroelectric facility on the Dalälven River, known for its early 20th-century construction and role in regional power generation.
-
A.
Trollhättan hydropower area
Trollhättan hydropower area is a major Swedish hydroelectric power complex built around the Trollhättan Falls on the Göta älv river, known for its dams, power stations, and role in regional energy production.
-
B.
Lysebotn Hydropower Station
Lysebotn Hydropower Station is a major Norwegian hydroelectric power plant located at the end of the Lysefjord, known for its large underground facilities and significant electricity production.
-
C.
Hellefoss power station
Hellefoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable energy from the river’s flow.
-
D.
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.
-
E.
Sarpsfossen power station
Sarpsfossen power station is a hydroelectric power plant in Norway that harnesses the energy of the Glomma River at the Sarpsfossen waterfall to generate electricity.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power station
ⓘ
run-of-the-river power plant ⓘ |
| architecturalStyle | early 20th-century industrial architecture ⓘ |
| basinCountry | Sweden NERFINISHED ⓘ |
| commissioned | 1915 ⓘ |
| constructionPeriod | early 20th century ⓘ |
| continent | Europe ⓘ |
| country | Sweden ⓘ |
| energyConversion | potential energy of water to electrical energy ⓘ |
| gridConnection | Swedish national grid NERFINISHED ⓘ |
| hasDam | Älvkarleby dam NERFINISHED ⓘ |
| hasEnergySource | hydropower ⓘ |
| hasFunction | base-load power generation ⓘ |
| hasInfrastructureType | power station ⓘ |
| hasTechnology | turbine-generators ⓘ |
| historicalSignificance | early large-scale hydroelectric development in Sweden ⓘ |
| inception | 1915 ⓘ |
| locatedIn |
Uppsala County
NERFINISHED
ⓘ
Älvkarleby Municipality NERFINISHED ⓘ |
| locatedInCountrySubdivision | Uppsala County NERFINISHED ⓘ |
| locatedInHydrologicalBasin | Dalälven basin NERFINISHED ⓘ |
| locatedInNation | Sweden NERFINISHED ⓘ |
| locatedNear | Älvkarleby NERFINISHED ⓘ |
| locatedOnRiver | Dalälven NERFINISHED ⓘ |
| locatedUpstreamOf | Gävle Bay of the Baltic Sea NERFINISHED ⓘ |
| nearbyCity | Gävle NERFINISHED ⓘ |
| operator | Vattenfall NERFINISHED ⓘ |
| ownedBy | Vattenfall NERFINISHED ⓘ |
| partOf |
Swedish hydropower system
ⓘ
Vattenfall hydropower portfolio NERFINISHED ⓘ |
| plantType | hydroelectric ⓘ |
| regionServed | eastern central Sweden ⓘ |
| regulatesFlowOf | Dalälven NERFINISHED ⓘ |
| significantFor | regional power supply in eastern Sweden ⓘ |
| startOfConstruction | 1910 ⓘ |
| status | operational ⓘ |
| subjectOf | studies in Swedish hydropower history ⓘ |
| use | electricity generation ⓘ |
| watercourse | Dalälven 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: Älvkarleby hydropower station Description of subject: Älvkarleby hydropower station is a major Swedish hydroelectric facility on the Dalälven River, known for its early 20th-century construction and role in regional power generation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Älvkarleby power station