Narva Hydroelectric Station
E911881
Narva Hydroelectric Station is a major hydroelectric power plant located on the Narva River on the border between Estonia and Russia, generating electricity by harnessing the river’s flow.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Narva Hydroelectric Station canonical | 1 |
| Narva hydro-technical installations | 1 |
| Narva hydropower dam | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11207715 — 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: Narva Hydroelectric Station Context triple: [Narva River, hasHydroelectricPlant, Narva Hydroelectric Station]
-
A.
Upper Svir Hydroelectric Station
The Upper Svir Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Svir River in Russia, forming part of the cascade of stations supplying electricity to the northwestern region.
-
B.
Lower Svir Hydroelectric Station
The Lower Svir Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Svir River in Russia, forming part of the cascade of stations supplying electricity to the northwestern region.
-
C.
Riga Hydroelectric Power Plant
Riga Hydroelectric Power Plant is a major hydroelectric facility in Latvia that generates electricity for the region using the flow of the Daugava River.
-
D.
Ivankovo Hydroelectric Station
Ivankovo Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, forming part of the Upper Volga cascade and supplying electricity as well as regulating water levels for navigation and water management.
-
E.
Volkhov Hydroelectric Station
Volkhov Hydroelectric Station is one of Russia’s oldest large-scale hydroelectric power plants, located in the Leningrad Oblast and historically significant for its role in early Soviet 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: Narva Hydroelectric Station Target entity description: Narva Hydroelectric Station is a major hydroelectric power plant located on the Narva River on the border between Estonia and Russia, generating electricity by harnessing the river’s flow.
-
A.
Upper Svir Hydroelectric Station
The Upper Svir Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Svir River in Russia, forming part of the cascade of stations supplying electricity to the northwestern region.
-
B.
Lower Svir Hydroelectric Station
The Lower Svir Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Svir River in Russia, forming part of the cascade of stations supplying electricity to the northwestern region.
-
C.
Riga Hydroelectric Power Plant
Riga Hydroelectric Power Plant is a major hydroelectric facility in Latvia that generates electricity for the region using the flow of the Daugava River.
-
D.
Ivankovo Hydroelectric Station
Ivankovo Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, forming part of the Upper Volga cascade and supplying electricity as well as regulating water levels for navigation and water management.
-
E.
Volkhov Hydroelectric Station
Volkhov Hydroelectric Station is one of Russia’s oldest large-scale hydroelectric power plants, located in the Leningrad Oblast and historically significant for its role in early Soviet electrification.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power station
ⓘ
power plant ⓘ |
| borderRiverPlant | true ⓘ |
| country | Estonia ⓘ |
| crossesBorderRiver | true ⓘ |
| energySource | flow of Narva River ⓘ |
| generates | electricity ⓘ |
| gridConnection | Estonian electricity grid ⓘ |
| hasDam | Narva Hydroelectric Station dam ⓘ |
| hasEnvironmentalImpact |
aquatic ecosystem modification
ⓘ
river flow regulation ⓘ |
| hasFunction | electricity generation ⓘ |
| hasInfrastructureType |
energy infrastructure
ⓘ
water management infrastructure ⓘ |
| hasSpillway | Narva Hydroelectric Station spillway ⓘ |
| hasTurbineType | hydraulic turbine ⓘ |
| hasType | run-of-river hydroelectric plant ⓘ |
| industry | electric power industry ⓘ |
| isMajorPlant | true ⓘ |
| locatedIn |
Estonia
ⓘ
Narva ⓘ |
| locatedInBasin |
Gulf of Finland basin
ⓘ
linked to:
Gulf of Finland
|
| locatedNear | border between Estonia and Russia ⓘ |
| locatedOn | Narva River ⓘ |
| nearCity | Narva ⓘ |
| partOf | Estonian power system ⓘ |
| region | Ida-Viru County ⓘ |
| uses | hydropower ⓘ |
| watercourse | Narva River ⓘ |
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: Narva Hydroelectric Station Description of subject: Narva Hydroelectric Station is a major hydroelectric power plant located on the Narva River on the border between Estonia and Russia, generating electricity by harnessing the river’s flow.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Narva Hydroelectric Station
linked to: Narva Hydroelectric Station