Jirau Dam
E489144
Jirau Dam is a large hydroelectric power plant in Brazil, built on the Madeira River as part of the country’s major Amazon basin energy infrastructure.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jirau Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4990669 — 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: Jirau Dam Context triple: [Madeira River, hasDam, Jirau Dam]
-
A.
Shiroro Dam
Shiroro Dam is a major hydroelectric power facility on the Kaduna River in Niger State, Nigeria, supplying electricity and supporting water management in the region.
-
B.
Lodoyo Dam
Lodoyo Dam is a water control and irrigation structure located on the Brantas River in East Java, Indonesia.
-
C.
Mutirikwi Dam
Mutirikwi Dam is a major concrete arch dam in southeastern Zimbabwe that creates Lake Mutirikwi and serves as an important source of irrigation water and hydroelectric power.
-
D.
Surobi Dam
Surobi Dam is a hydroelectric and irrigation dam located on the Kabul River in eastern Afghanistan.
-
E.
Manyame Dam
Manyame Dam is a major reservoir in Zimbabwe that supplies water for irrigation, urban use, and hydroelectric power generation along the Manyame River.
- 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: Jirau Dam Target entity description: Jirau Dam is a large hydroelectric power plant in Brazil, built on the Madeira River as part of the country’s major Amazon basin energy infrastructure.
-
A.
Shiroro Dam
Shiroro Dam is a major hydroelectric power facility on the Kaduna River in Niger State, Nigeria, supplying electricity and supporting water management in the region.
-
B.
Lodoyo Dam
Lodoyo Dam is a water control and irrigation structure located on the Brantas River in East Java, Indonesia.
-
C.
Mutirikwi Dam
Mutirikwi Dam is a major concrete arch dam in southeastern Zimbabwe that creates Lake Mutirikwi and serves as an important source of irrigation water and hydroelectric power.
-
D.
Surobi Dam
Surobi Dam is a hydroelectric and irrigation dam located on the Kabul River in eastern Afghanistan.
-
E.
Manyame Dam
Manyame Dam is a major reservoir in Zimbabwe that supplies water for irrigation, urban use, and hydroelectric power generation along the Manyame River.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric power station ⓘ |
| affects | fish migration on Madeira River ⓘ |
| alsoKnownAs | Usina Hidrelétrica Jirau NERFINISHED ⓘ |
| belongsToSector | electric power industry of Brazil ⓘ |
| commissioningStartDate | 2013 ⓘ |
| connectedToGridOf | Brazilian national interconnected system ⓘ |
| constructionMethod | run-of-river style reservoir ⓘ |
| constructionStartDate | 2008 ⓘ |
| country | Brazil ⓘ |
| damType | concrete gravity dam ⓘ |
| energySource | hydropower ⓘ |
| fullyOperationalDate | 2016 ⓘ |
| gridConnectionVoltageLevel | high-voltage transmission lines ⓘ |
| hasConstructionImpact |
changes in Madeira River flow regime
ⓘ
deforestation in surrounding area ⓘ |
| hasControversy |
environmental concerns
ⓘ
indigenous rights issues ⓘ worker strikes during construction ⓘ |
| hasFishPassageFacility | yes ⓘ |
| hasInfrastructureComponent |
navigation lock
ⓘ
powerhouse ⓘ spillway ⓘ |
| hasShareholder |
Chesf
NERFINISHED
ⓘ
Eletrosul NERFINISHED ⓘ GDF Suez NERFINISHED ⓘ |
| installedCapacity | 3750 MW ⓘ |
| isMajorComponentOf | Brazilian federal energy expansion plan for Amazon ⓘ |
| locatedInCountrySubdivision | North Region of Brazil NERFINISHED ⓘ |
| locatedInRegion | Amazon basin NERFINISHED ⓘ |
| locatedInState | Rondônia NERFINISHED ⓘ |
| locatedNearCity | Porto Velho NERFINISHED ⓘ |
| locatedOnRiver | Madeira River NERFINISHED ⓘ |
| numberOfTurbines | 50 ⓘ |
| operator | Energia Sustentável do Brasil NERFINISHED ⓘ |
| owner | Energia Sustentável do Brasil NERFINISHED ⓘ |
| partOf |
Brazilian Amazon energy infrastructure
ⓘ
Madeira River hydroelectric complex NERFINISHED ⓘ |
| projectType | public–private partnership ⓘ |
| purpose | electricity generation ⓘ |
| regulatesFlowOf | Madeira River NERFINISHED ⓘ |
| regulatingAuthority | Brazilian National Electric Energy Agency NERFINISHED ⓘ |
| reservoirType | run-of-river reservoir ⓘ |
| riverBasin | Amazon River basin NERFINISHED ⓘ |
| subjectOf |
environmental impact assessments
ⓘ
social impact studies ⓘ |
| turbineType | bulb turbine ⓘ |
| upstreamFrom | Santo Antônio Dam NERFINISHED ⓘ |
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: Jirau Dam Description of subject: Jirau Dam is a large hydroelectric power plant in Brazil, built on the Madeira River as part of the country’s major Amazon basin energy infrastructure.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.