Trollhättan hydropower area
E459650
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Lilla Edet hydropower station | 1 |
| Trollhättan hydroelectric power stations | 1 |
| Trollhättan hydropower area canonical | 1 |
| Trollhättan hydropower complex | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4598878 — 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: Trollhättan hydropower area Context triple: [Trollhättan Falls, partOf, Trollhättan hydropower area]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Gravfoss power station
Gravfoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable electricity from the river’s flow.
- 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: Trollhättan hydropower area Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Gravfoss power station
Gravfoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable electricity from the river’s flow.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power complex
ⓘ
industrial area ⓘ |
| basinCountry | Sweden NERFINISHED ⓘ |
| builtAround | Trollhättan Falls NERFINISHED ⓘ |
| country | Sweden ⓘ |
| countrySubdivision | Västra Götaland County NERFINISHED ⓘ |
| economicSector | energy sector ⓘ |
| energySource | potential energy of water ⓘ |
| energyTypeProduced | electric energy ⓘ |
| geographicFeatureType | river-based hydropower complex ⓘ |
| gridConnection | Swedish national grid ⓘ |
| hasFeature |
artificial reservoirs
ⓘ
intake structures ⓘ powerhouse buildings ⓘ tailrace channels ⓘ |
| hasPart |
canals
ⓘ
dams ⓘ hydroelectric power stations ⓘ locks ⓘ spillways ⓘ |
| hasUse |
industrial power supply
ⓘ
public electricity supply ⓘ |
| industry | electric power industry ⓘ |
| isPartOf | Göta älv hydropower system NERFINISHED ⓘ |
| locatedIn |
Trollhättan
NERFINISHED
ⓘ
Västra Götaland County NERFINISHED ⓘ |
| locatedInContinent | Europe ⓘ |
| locatedInRegion | Götaland NERFINISHED ⓘ |
| locatedNear | Trollhättan city centre NERFINISHED ⓘ |
| locatedOnRiver | Göta älv NERFINISHED ⓘ |
| nearbySettlement | Trollhättan NERFINISHED ⓘ |
| notableFor |
historic development of Swedish hydropower
ⓘ
large head created by Trollhättan Falls ⓘ role in regional energy production ⓘ |
| primaryEnergySource | hydropower ⓘ |
| purpose |
electricity generation
ⓘ
regional energy supply ⓘ regulation of river flow ⓘ |
| riverSection | Trollhättan Falls NERFINISHED ⓘ |
| usesTechnology |
dam
ⓘ
generator ⓘ water turbine ⓘ |
| watercourse | Göta älv NERFINISHED ⓘ |
| waterSystem | Göta älv–Kattegat drainage basin ⓘ |
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: Trollhättan hydropower area Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Trollhättan hydroelectric power stations
this entity surface form:
Trollhättan hydropower complex
subject surface form:
Göta älv
this entity surface form:
Lilla Edet hydropower station