Rybinsk Hydroelectric Station
E295554
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Rybinsk Hydroelectric Station canonical | 3 |
| Rybinsk Hydroelectric Power Plant | 1 |
| Rybinskaya GES | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2649113 — 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: Rybinsk Hydroelectric Station Context triple: [Rybinsk Reservoir, formedBy, Rybinsk Hydroelectric Station]
-
A.
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.
-
B.
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.
-
C.
Volga Hydroelectric Station dam
The Volga Hydroelectric Station dam is a major Soviet-era hydroelectric dam on the Volga River near Volgograd, Russia, forming one of the largest reservoirs in Europe and serving as a key source of power and navigation control in the region.
-
D.
Dniester Hydroelectric Station
The Dniester Hydroelectric Station is a major hydroelectric power plant complex on the Dniester River, providing electricity generation, water regulation, and flood control for the surrounding region.
-
E.
Tsimlyansk Reservoir
Tsimlyansk Reservoir is a large artificial lake on the Don River in southwestern Russia, created for hydroelectric power, irrigation, and navigation.
- 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: Rybinsk Hydroelectric Station Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Volga Hydroelectric Station dam
The Volga Hydroelectric Station dam is a major Soviet-era hydroelectric dam on the Volga River near Volgograd, Russia, forming one of the largest reservoirs in Europe and serving as a key source of power and navigation control in the region.
-
D.
Dniester Hydroelectric Station
The Dniester Hydroelectric Station is a major hydroelectric power plant complex on the Dniester River, providing electricity generation, water regulation, and flood control for the surrounding region.
-
E.
Tsimlyansk Reservoir
Tsimlyansk Reservoir is a large artificial lake on the Don River in southwestern Russia, created for hydroelectric power, irrigation, and navigation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydroelectric power station ⓘ |
| alsoKnownAs |
Rybinsk Hydroelectric Station
ⓘ
surface form:
Rybinsk Hydroelectric Power Plant
Rybinsk Hydroelectric Station ⓘ
surface form:
Rybinskaya GES
|
| basinCountry | Russia ⓘ |
| commissioningDate | 1941 ⓘ |
| completedIn | 1940s ⓘ |
| constructionStartDate |
1930s
ⓘ
1935 ⓘ |
| continent | Europe ⓘ |
| country | Russia ⓘ |
| createsReservoir | Rybinsk Reservoir ⓘ |
| designedDuring | Stalinist industrialization period ⓘ |
| energySource | hydropower ⓘ |
| era | Soviet era ⓘ |
| hasImpact |
changes in local ecosystems
ⓘ
resettlement of local population ⓘ submergence of towns and villages ⓘ |
| hasStructure |
concrete dam
ⓘ
navigation locks ⓘ powerhouse ⓘ spillway ⓘ |
| infrastructureType |
hydropower infrastructure
ⓘ
large dam ⓘ |
| locatedIn |
European Russia
ⓘ
Yaroslavl Oblast NERFINISHED ⓘ |
| locatedInDrainageBasin |
Caspian Sea drainage basin
ⓘ
surface form:
Caspian Sea basin
|
| locatedInHistoricalRegion |
Russian SFSR
ⓘ
surface form:
Russian Soviet Federative Socialist Republic
|
| locatedInTimeZone | Moscow Time ⓘ |
| locatedNear | Rybinsk ⓘ |
| locatedOnRiver | Volga River ⓘ |
| notableFor |
creating one of the world’s largest artificial reservoirs at the time of construction
ⓘ
large-scale flooding of surrounding areas ⓘ role in Soviet electrification program ⓘ |
| openingDate | 1941 ⓘ |
| partOf |
Volga–Kama cascade of reservoirs
ⓘ
surface form:
Volga River hydropower system
Volga–Kama cascade of reservoirs ⓘ
surface form:
Volga–Kama cascade
|
| politicalEntityAtConstruction | Soviet Union ⓘ |
| primaryFunction |
electricity generation
ⓘ
navigation improvement ⓘ river regulation ⓘ |
| reservoirName | Rybinsk Reservoir ⓘ |
| reservoirType | artificial lake ⓘ |
| riverSystem |
Volga River basin
ⓘ
surface form:
Volga river system
|
| usedFor |
regional power supply
ⓘ
supporting industrial development ⓘ supporting river transport ⓘ |
| waterway | Volga 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: Rybinsk Hydroelectric Station Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Rybinsk
this entity surface form:
Rybinskaya GES
this entity surface form:
Rybinsk Hydroelectric Power Plant