Daugava hydroelectric power plants cascade
E615712
The Daugava hydroelectric power plants cascade is a series of major hydroelectric stations on the Daugava River in Latvia that together form a key component of the country’s electricity generation and water management system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Daugava hydroelectric power plants cascade canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6746581 — 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: Daugava hydroelectric power plants cascade Context triple: [Riga Hydroelectric Power Plant, partOf, Daugava hydroelectric power plants cascade]
-
A.
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.
-
B.
Kegums Hydroelectric Power Plant
Kegums Hydroelectric Power Plant is a major Latvian hydroelectric facility on the Daugava River that generates electricity and helps regulate water flow for the region.
-
C.
Plavinas Hydroelectric Power Plant
Plavinas Hydroelectric Power Plant is one of the largest hydroelectric power stations in the Baltic region, located in Latvia and serving as a major source of renewable electricity.
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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.
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E.
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.
- 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: Daugava hydroelectric power plants cascade Target entity description: The Daugava hydroelectric power plants cascade is a series of major hydroelectric stations on the Daugava River in Latvia that together form a key component of the country’s electricity generation and water management system.
-
A.
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.
-
B.
Kegums Hydroelectric Power Plant
Kegums Hydroelectric Power Plant is a major Latvian hydroelectric facility on the Daugava River that generates electricity and helps regulate water flow for the region.
-
C.
Plavinas Hydroelectric Power Plant
Plavinas Hydroelectric Power Plant is one of the largest hydroelectric power stations in the Baltic region, located in Latvia and serving as a major source of renewable electricity.
-
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.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
energy infrastructure
ⓘ
hydroelectric power plant cascade ⓘ |
| associatedWith | Soviet-era hydropower development in Latvia ⓘ |
| basinCountry |
Belarus
NERFINISHED
ⓘ
Latvia NERFINISHED ⓘ Russia ⓘ |
| contributesTo |
energy security of Latvia
ⓘ
renewable energy share in Latvia ⓘ |
| country | Latvia ⓘ |
| energySource | hydropower ⓘ |
| gridConnection | synchronous with Baltic power system ⓘ |
| hasEconomicRole | major contributor to Latvia’s domestic electricity production ⓘ |
| hasFunction |
long-term water storage in reservoirs
ⓘ
seasonal flow equalization ⓘ |
| hasImpactOn |
Daugava River ecosystem
NERFINISHED
ⓘ
flood risk in Daugava basin ⓘ navigation conditions on Daugava River ⓘ |
| hasPart |
Pļaviņas Hydroelectric Power Plant
NERFINISHED
ⓘ
Rīga Hydroelectric Power Plant NERFINISHED ⓘ Ķegums Hydroelectric Power Plant NERFINISHED ⓘ |
| hasType |
reservoir-based hydroelectric system
ⓘ
run-of-river hydroelectric system ⓘ |
| infrastructureType | large-scale hydroelectric scheme ⓘ |
| languageOfOfficialDocumentation | Latvian ⓘ |
| locatedIn |
Baltic region
NERFINISHED
ⓘ
Latvia NERFINISHED ⓘ |
| locatedNear |
Pļaviņas
NERFINISHED
ⓘ
Riga NERFINISHED ⓘ Ķegums NERFINISHED ⓘ |
| locatedOnRiver | Daugava River NERFINISHED ⓘ |
| maintainedBy | Latvenergo NERFINISHED ⓘ |
| majorComponentOf | Latvian electricity generation system ⓘ |
| operatedBy | Latvenergo NERFINISHED ⓘ |
| ownerCountry | Latvia NERFINISHED ⓘ |
| partOf |
Daugava River basin management plan
ⓘ
Latvian power system ⓘ |
| region |
Riga planning region
NERFINISHED
ⓘ
Vidzeme NERFINISHED ⓘ Zemgale NERFINISHED ⓘ |
| regulates | water level in Daugava River reservoirs ⓘ |
| subjectTo |
EU water framework directive implementation
ⓘ
Latvian environmental regulations ⓘ |
| supports |
frequency regulation in Latvian grid
ⓘ
reserve capacity for Latvian power system ⓘ |
| usedFor |
electricity generation
ⓘ
flood control ⓘ peak load balancing ⓘ river flow regulation ⓘ water management ⓘ |
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: Daugava hydroelectric power plants cascade Description of subject: The Daugava hydroelectric power plants cascade is a series of major hydroelectric stations on the Daugava River in Latvia that together form a key component of the country’s electricity generation and water management system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.