St. Lawrence–FDR Power Project
E435716
The St. Lawrence–FDR Power Project is a major hydroelectric generating facility on the St. Lawrence River that supplies renewable power to New York State and neighboring regions.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Saint Lawrence River hydroelectric system | 1 |
| Saint Lawrence–FDR Power Project | 1 |
| St. Lawrence River hydropower system | 1 |
| St. Lawrence Seaway project | 1 |
| St. Lawrence–FDR Power Project canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4347822 — 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: St. Lawrence–FDR Power Project Context triple: [New York Power Authority, operatesFacility, St. Lawrence–FDR Power Project]
-
A.
Niagara River hydropower system
The Niagara River hydropower system is a large binational network of dams, tunnels, and generating stations on the Niagara River that harnesses the river’s flow and Niagara Falls to produce significant hydroelectric power for Canada and the United States.
-
B.
Robert Moses Niagara Power Plant
The Robert Moses Niagara Power Plant is a major hydroelectric generating station in New York that harnesses the flow of the Niagara River to produce electricity.
-
C.
Niagara District
The Niagara District was a historical administrative region in Upper Canada that encompassed the town of Newark (now Niagara-on-the-Lake) and surrounding areas along the Niagara River.
-
D.
Sault Ste. Marie Canal Powerhouse
The Sault Ste. Marie Canal Powerhouse is a historic hydroelectric generating station that supplied power for the operation of the Sault Ste. Marie Canal in Ontario, Canada.
-
E.
Cameron Falls Generating Station
Cameron Falls Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
- 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: St. Lawrence–FDR Power Project Target entity description: The St. Lawrence–FDR Power Project is a major hydroelectric generating facility on the St. Lawrence River that supplies renewable power to New York State and neighboring regions.
-
A.
Niagara River hydropower system
The Niagara River hydropower system is a large binational network of dams, tunnels, and generating stations on the Niagara River that harnesses the river’s flow and Niagara Falls to produce significant hydroelectric power for Canada and the United States.
-
B.
Robert Moses Niagara Power Plant
The Robert Moses Niagara Power Plant is a major hydroelectric generating station in New York that harnesses the flow of the Niagara River to produce electricity.
-
C.
Niagara District
The Niagara District was a historical administrative region in Upper Canada that encompassed the town of Newark (now Niagara-on-the-Lake) and surrounding areas along the Niagara River.
-
D.
Sault Ste. Marie Canal Powerhouse
The Sault Ste. Marie Canal Powerhouse is a historic hydroelectric generating station that supplied power for the operation of the Sault Ste. Marie Canal in Ontario, Canada.
-
E.
Cameron Falls Generating Station
Cameron Falls Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power station
ⓘ
run-of-the-river power plant ⓘ |
| adjacentTo | Ontario, Canada NERFINISHED ⓘ |
| alsoKnownAs |
St. Lawrence Power Project
NERFINISHED
ⓘ
St. Lawrence–Franklin D. Roosevelt Power Project NERFINISHED ⓘ |
| commissioningDate | 1959 ⓘ |
| constructionStartDate | 1954 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| developedBy | New York Power Authority NERFINISHED ⓘ |
| emissionsProfile | zero direct greenhouse gas emissions during operation ⓘ |
| formsBinationalComplexWith | R. H. Saunders Generating Station NERFINISHED ⓘ |
| fuelType | water ⓘ |
| gridConnection | New York State power grid NERFINISHED ⓘ |
| hasBilateralContextWith | Ontario Power Generation NERFINISHED ⓘ |
| hasCrossBorderContext | United States–Canada border NERFINISHED ⓘ |
| hasEnvironmentalMitigation |
fish habitat enhancement projects
ⓘ
shoreline management measures ⓘ |
| hasFishProtectionMeasures | true ⓘ |
| hasNavigationRole | supports St. Lawrence Seaway navigation system ⓘ |
| hasNumberOfTurbines | 16 ⓘ |
| hasPublicVisitorCenter | true ⓘ |
| hasReservoir | Lake St. Lawrence NERFINISHED ⓘ |
| hasTypeOfDam | gravity dam ⓘ |
| inServiceDate | 1958 ⓘ |
| isMajorSourceOf | low-cost hydropower for New York industry ⓘ |
| isPartOf | New York Power Authority hydropower system NERFINISHED ⓘ |
| isRenewable | true ⓘ |
| locatedIn | Massena, New York NERFINISHED ⓘ |
| locatedInRegion | North Country, New York NERFINISHED ⓘ |
| locatedInState | New York NERFINISHED ⓘ |
| locatedOnRiver | St. Lawrence River NERFINISHED ⓘ |
| namedAfter | Franklin D. Roosevelt NERFINISHED ⓘ |
| nearCity | Massena, New York NERFINISHED ⓘ |
| operatedBy | New York Power Authority NERFINISHED ⓘ |
| ownedBy | New York Power Authority NERFINISHED ⓘ |
| partOf | St. Lawrence Seaway project NERFINISHED ⓘ |
| primaryEnergySource | hydropower ⓘ |
| purpose |
electricity generation
ⓘ
support for regional economic development ⓘ |
| regulatesRiver | St. Lawrence River NERFINISHED ⓘ |
| regulatoryJurisdiction | Federal Energy Regulatory Commission NERFINISHED ⓘ |
| suppliesPowerTo |
New York State
NERFINISHED
ⓘ
neighboring regions of the northeastern United States ⓘ |
| supportsPrograms | economic development power programs in New York ⓘ |
| turbineType | Kaplan turbine NERFINISHED ⓘ |
| visitorCenterName | Franklin D. Roosevelt Power Project Visitor Center 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: St. Lawrence–FDR Power Project Description of subject: The St. Lawrence–FDR Power Project is a major hydroelectric generating facility on the St. Lawrence River that supplies renewable power to New York State and neighboring regions.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Saint Lawrence River hydroelectric system
this entity surface form:
Saint Lawrence–FDR Power Project
this entity surface form:
St. Lawrence River hydropower system
this entity surface form:
St. Lawrence Seaway project