Lower Svir Hydroelectric Station
E450227
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lower Svir Hydroelectric Station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4527125 — 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: Lower Svir Hydroelectric Station Context triple: [Svir River, hasHydroelectricPlant, Lower Svir 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.
Saratov Hydroelectric Station
Saratov Hydroelectric Station is a major hydroelectric power plant on the Volga River in Russia, providing electricity generation and water regulation for the surrounding region.
-
C.
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.
-
D.
Rybinsk Hydroelectric Station
Rybinsk Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, known for creating one of the world’s largest artificial reservoirs at the time of its construction.
-
E.
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.
- 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: Lower Svir Hydroelectric Station Target entity description: 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.
-
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.
Saratov Hydroelectric Station
Saratov Hydroelectric Station is a major hydroelectric power plant on the Volga River in Russia, providing electricity generation and water regulation for the surrounding region.
-
C.
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.
-
D.
Rybinsk Hydroelectric Station
Rybinsk Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, known for creating one of the world’s largest artificial reservoirs at the time of its construction.
-
E.
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.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power station
ⓘ
run-of-the-river power plant ⓘ |
| annualGeneration | about 0.4 TWh ⓘ |
| basinCountry | Russia ⓘ |
| commissioned | 1933 ⓘ |
| constructionStartDate | 1927 ⓘ |
| country | Russia ⓘ |
| damType | concrete gravity dam ⓘ |
| designedDuring | Soviet era ⓘ |
| developer | Soviet Union NERFINISHED ⓘ |
| era | Soviet industrialization period ⓘ |
| formsReservoir | Lower Svir Reservoir NERFINISHED ⓘ |
| fuelType | hydropower ⓘ |
| gridConnection | Northwestern Federal District power grid ⓘ |
| hasLanguageOfOfficialName | Russian ⓘ |
| hasSpillway | yes ⓘ |
| hasStructure |
navigation lock
ⓘ
powerhouse ⓘ spillway ⓘ |
| hasTurbineType | Kaplan turbine ⓘ |
| historicalSignificance | one of the early large hydroelectric projects of the Soviet GOELRO plan ⓘ |
| inception | 1933 ⓘ |
| installedCapacity | 99 MW ⓘ |
| locatedDownstreamOf | Upper Svir Hydroelectric Station NERFINISHED ⓘ |
| locatedIn |
Leningrad Oblast
NERFINISHED
ⓘ
northwestern Russia ⓘ |
| locatedInTimeZone | Moscow Time ⓘ |
| locatedOnRiver | Svir River NERFINISHED ⓘ |
| locatedUpstreamOf | Lake Ladoga NERFINISHED ⓘ |
| numberOfTurbines | 3 ⓘ |
| operator | TGC-1 NERFINISHED ⓘ |
| ownedBy | TGC-1 NERFINISHED ⓘ |
| partOf |
Northwest Unified Power System of Russia
NERFINISHED
ⓘ
Svir River hydroelectric cascade NERFINISHED ⓘ Svir cascade of hydroelectric stations NERFINISHED ⓘ |
| primaryPurpose | electricity generation ⓘ |
| renewableEnergySource | yes ⓘ |
| secondaryPurpose |
navigation support
ⓘ
river flow regulation ⓘ |
| suppliesElectricityTo |
Leningrad Oblast
NERFINISHED
ⓘ
northwestern Russia ⓘ |
| watercourse | Svir 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: Lower Svir Hydroelectric Station Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.