Itá Dam
E188452
Itá Dam is a large hydroelectric power plant and reservoir on the Uruguay River in southern Brazil, known for its significant contribution to regional electricity generation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Itá Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1567864 — 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: Itá Dam Context triple: [Uruguay River, hasDam, Itá Dam]
-
A.
Bargi Dam
Bargi Dam is a major multipurpose dam built on the Narmada River in Madhya Pradesh, India, primarily used for irrigation, hydropower generation, and flood control.
-
B.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
C.
Itezhi-Tezhi Dam
Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
-
D.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
E.
Betania Dam
Betania Dam is a major hydroelectric dam and reservoir in Colombia, known for generating power and supporting irrigation and aquaculture in the Huila 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: Itá Dam Target entity description: Itá Dam is a large hydroelectric power plant and reservoir on the Uruguay River in southern Brazil, known for its significant contribution to regional electricity generation.
-
A.
Bargi Dam
Bargi Dam is a major multipurpose dam built on the Narmada River in Madhya Pradesh, India, primarily used for irrigation, hydropower generation, and flood control.
-
B.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
C.
Itezhi-Tezhi Dam
Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
-
D.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
E.
Betania Dam
Betania Dam is a major hydroelectric dam and reservoir in Colombia, known for generating power and supporting irrigation and aquaculture in the Huila region.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric power station ⓘ |
| annualGeneration | approximately 7,000 GWh ⓘ |
| basinCountry | Brazil ⓘ |
| constructionBegan | 1980s ⓘ |
| country | Brazil ⓘ |
| countrySubdivision |
Rio Grande do Sul
ⓘ
surface form:
State of Rio Grande do Sul
Santa Catarina ⓘ
surface form:
State of Santa Catarina
|
| damHeight | about 125 m ⓘ |
| damLength | about 1,450 m ⓘ |
| designedFor | base-load electricity generation ⓘ |
| energySource | hydropower ⓘ |
| flooded | old town of Itá ⓘ |
| gridConnection | Brazilian National Interconnected System ⓘ |
| hasStructure |
concrete gravity section
ⓘ
earth-fill embankment sections ⓘ powerhouse ⓘ spillway ⓘ |
| impact |
modification of local ecosystems
ⓘ
population resettlement ⓘ |
| installedCapacity | 1450 MW ⓘ |
| languageOfSurroundingRegion | Portuguese ⓘ |
| locatedIn |
Rio Grande do Sul
ⓘ
Santa Catarina ⓘ |
| locatedInTimeZone | UTC−03:00 ⓘ |
| locatedNear |
Aratiba, Rio Grande do Sul
ⓘ
Itá, Santa Catarina ⓘ |
| numberOfTurbines | 5 ⓘ |
| openingDate | 2000 ⓘ |
| operator |
Tractebel
ⓘ
surface form:
Tractebel Energia
|
| owner | Tractebel Energia ⓘ |
| partOf |
Uruguay River
ⓘ
surface form:
Uruguay River basin
|
| purpose | power generation ⓘ |
| regionServed | southern Brazil ⓘ |
| reservoirArea | about 141 km² ⓘ |
| reservoirName | Itá Reservoir ⓘ |
| reservoirTotalCapacity | about 5,100,000,000 m³ ⓘ |
| river | Uruguay River ⓘ |
| spillwayCapacity | about 35,000 m³/s ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| status | operational ⓘ |
| 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: Itá Dam Description of subject: Itá Dam is a large hydroelectric power plant and reservoir on the Uruguay River in southern Brazil, known for its significant contribution to regional electricity generation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.