Paraná River hydroelectric system
E429760
The Paraná River hydroelectric system is a network of large dams and power stations along the Paraná River that collectively form one of South America’s most important sources of renewable electricity.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Acaray–Yacyretá energy system | 1 |
| La Plata Basin hydropower system | 1 |
| Paraná River hydroelectric system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4292838 — 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: Paraná River hydroelectric system Context triple: [Yacyretá Dam, partOf, Paraná River hydroelectric system]
-
A.
Yacyretá Dam
The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
-
B.
Itaipu Dam
Itaipu Dam is a massive hydroelectric power plant on the Brazil–Paraguay border, once the world’s largest in installed capacity and still one of the most important sources of renewable energy in South America.
-
C.
Salto Grande Dam
Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
-
D.
Paraguay–Paraná waterway system
The Paraguay–Paraná waterway system is a major South American inland navigation corridor that links landlocked regions of countries like Paraguay and Bolivia to the Atlantic Ocean via the Paraguay and Paraná rivers.
-
E.
Cahora Bassa Dam
Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the 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: Paraná River hydroelectric system Target entity description: The Paraná River hydroelectric system is a network of large dams and power stations along the Paraná River that collectively form one of South America’s most important sources of renewable electricity.
-
A.
Yacyretá Dam
The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
-
B.
Itaipu Dam
Itaipu Dam is a massive hydroelectric power plant on the Brazil–Paraguay border, once the world’s largest in installed capacity and still one of the most important sources of renewable energy in South America.
-
C.
Salto Grande Dam
Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
-
D.
Paraguay–Paraná waterway system
The Paraguay–Paraná waterway system is a major South American inland navigation corridor that links landlocked regions of countries like Paraguay and Bolivia to the Atlantic Ocean via the Paraguay and Paraná rivers.
-
E.
Cahora Bassa Dam
Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the region.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
energy infrastructure network
ⓘ
hydroelectric system ⓘ |
| associatedWith |
Entidad Binacional Yacyretá
ⓘ
linked to:
Yacyretá Dam
Itaipu Binacional ⓘ
linked to:
Itaipu Dam
|
| characterizedBy |
cascade of large dams
ⓘ
multi‑country ownership and operation ⓘ |
| contributesTo |
electricity generation in Argentina
ⓘ
electricity generation in Brazil ⓘ electricity generation in Paraguay ⓘ |
| crossesCountry |
Argentina
ⓘ
Brazil ⓘ Paraguay ⓘ |
| developedFor |
flood control in parts of the Paraná basin
ⓘ
large‑scale electricity generation ⓘ navigation improvement in some reaches ⓘ |
| hasImpactOn |
Paraná River flow regime
ⓘ
aquatic ecosystems of the Paraná River ⓘ fish migration in the Paraná River ⓘ |
| hasMajorBinationalComponent |
Itaipu Dam
ⓘ
Yacyretá Dam ⓘ |
| hasPart |
Ilha Solteira Dam
ⓘ
Itaipu Dam ⓘ Itaipu Hydroelectric Power Plant ⓘ
linked to:
Itaipu Dam
Jupiá Dam ⓘ Porto Primavera Dam ⓘ Rosana Dam ⓘ Salto Grande Dam ⓘ Yacyretá Dam ⓘ Yacyretá Hydroelectric Power Plant ⓘ
linked to:
Yacyretá Dam
|
| hydrologicalBasin |
Paraná River basin
ⓘ
linked to:
Paraná–Paraguay Basin
|
| includesReservoir |
Ilha Solteira Reservoir
ⓘ
linked to:
Ilha Solteira Dam
Itaipu Reservoir ⓘ
linked to:
Itaipu Lake
Jupiá Reservoir ⓘ Porto Primavera Reservoir ⓘ
linked to:
Porto Primavera Dam
Rosana Reservoir ⓘ Yacyretá Reservoir ⓘ
linked to:
Yacyretá Dam
|
| isImportantFor |
regional energy security in South America
ⓘ
renewable electricity supply in South America ⓘ |
| isSubjectOf |
binational energy agreements between Argentina and Paraguay
ⓘ
binational energy agreements between Brazil and Paraguay ⓘ |
| locatedIn | South America ⓘ |
| locatedOn | Paraná River ⓘ |
| mainRiver | Paraná River ⓘ |
| partOf | South American power grid ⓘ |
| supportsUse | long‑distance high‑voltage transmission lines ⓘ |
| usesEnergySource |
hydropower
ⓘ
renewable energy ⓘ |
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: Paraná River hydroelectric system Description of subject: The Paraná River hydroelectric system is a network of large dams and power stations along the Paraná River that collectively form one of South America’s most important sources of renewable electricity.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Paraná River hydroelectric system
linked to: Paraná River hydroelectric system