Zeya Hydroelectric Power Station
E593427
The Zeya Hydroelectric Power Station is a major Soviet-era hydroelectric dam and power plant in Russia’s Amur Oblast, serving as a key source of electricity and flood control in the Russian Far East.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Zeya Dam | 1 |
| Zeya Hydroelectric Power Station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6425593 — 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: Zeya Hydroelectric Power Station Context triple: [Zeya River, hasHydropowerPlant, Zeya Hydroelectric Power Station]
-
A.
Gorky Hydroelectric Station
Gorky Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, known for its large dam and role in regional power generation and navigation.
-
B.
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.
-
C.
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.
-
D.
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.
-
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: Zeya Hydroelectric Power Station Target entity description: The Zeya Hydroelectric Power Station is a major Soviet-era hydroelectric dam and power plant in Russia’s Amur Oblast, serving as a key source of electricity and flood control in the Russian Far East.
-
A.
Gorky Hydroelectric Station
Gorky Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, known for its large dam and role in regional power generation and navigation.
-
B.
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.
-
C.
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.
-
D.
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.
-
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 (42)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric power station ⓘ |
| annualGeneration | about 4.9 TWh ⓘ |
| basinCountry | Russia ⓘ |
| cityNearby | Zeya NERFINISHED ⓘ |
| commissioningEndYear | 1980 ⓘ |
| commissioningStartYear | 1975 ⓘ |
| constructionStartDate | 1964 ⓘ |
| constructionType | concrete gravity dam ⓘ |
| country | Russia ⓘ |
| damHeight | approximately 115 m ⓘ |
| damLength | approximately 714 m ⓘ |
| designedDuring | Soviet era ⓘ |
| energySource | hydropower ⓘ |
| floodControlRole | regulates Zeya River floods ⓘ |
| gridConnection | Unified Energy System of Russia NERFINISHED ⓘ |
| hasReservoirType | artificial lake ⓘ |
| hasSpillway | yes ⓘ |
| hasSpillwayType | gated spillway ⓘ |
| hasStatus | operational ⓘ |
| installedCapacity | 1330 MW ⓘ |
| isMajorInfrastructureFor |
electricity supply in the Russian Far East
ⓘ
flood management on the Zeya River ⓘ |
| locatedIn |
Amur Oblast
NERFINISHED
ⓘ
Russian Far East NERFINISHED ⓘ |
| locatedInTimeZone | Yakutsk Time NERFINISHED ⓘ |
| locatedOnRiver | Zeya River NERFINISHED ⓘ |
| numberOfTurbines | 6 ⓘ |
| openingDate | 1975 ⓘ |
| operator | RusHydro NERFINISHED ⓘ |
| ownedBy | Russian Federation (through state-controlled entities) NERFINISHED ⓘ |
| partOf | hydropower system of the Russian Far East ⓘ |
| purpose |
flood control
ⓘ
navigation improvement ⓘ power generation ⓘ water regulation ⓘ |
| regionServed |
Amur Oblast
NERFINISHED
ⓘ
Russian Far East NERFINISHED ⓘ |
| reservoirName | Zeya Reservoir NERFINISHED ⓘ |
| reservoirSurfaceArea | about 2420 km² ⓘ |
| reservoirTotalCapacity | about 68.4 km³ ⓘ |
| turbineType | Francis turbine ⓘ |
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: Zeya Hydroelectric Power Station Description of subject: The Zeya Hydroelectric Power Station is a major Soviet-era hydroelectric dam and power plant in Russia’s Amur Oblast, serving as a key source of electricity and flood control in the Russian Far East.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Zeya Dam