R. H. Saunders Generating Station
E684405
R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| R. H. Saunders Generating Station canonical | 1 |
| R.H. Saunders Generating Station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7718522 — 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: R. H. Saunders Generating Station Context triple: [Moses–Saunders Power Dam, hasPart, R. H. Saunders Generating Station]
-
A.
Kelsey Generating Station
Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
-
B.
Long Spruce Generating Station
Long Spruce Generating Station is a large hydroelectric power plant in northern Manitoba, Canada, that forms part of the Nelson River generating system supplying electricity to the province and beyond.
-
C.
Alexander Generating Station
Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
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D.
Glenwood Power Station
Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
-
E.
Limestone Generating Station
Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
- 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: R. H. Saunders Generating Station Target entity description: R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
-
A.
Kelsey Generating Station
Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
-
B.
Long Spruce Generating Station
Long Spruce Generating Station is a large hydroelectric power plant in northern Manitoba, Canada, that forms part of the Nelson River generating system supplying electricity to the province and beyond.
-
C.
Alexander Generating Station
Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
-
D.
Glenwood Power Station
Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
-
E.
Limestone Generating Station
Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power station
ⓘ
run-of-the-river generating station ⓘ |
| associatedWith | St. Lawrence Seaway development ⓘ |
| borderRiverPartnerCountry | United States NERFINISHED ⓘ |
| commissioned | 1958 ⓘ |
| connectedTo |
Canadian side of Moses–Saunders Power Dam
ⓘ
Moses–Saunders HVDC system NERFINISHED ⓘ |
| constructionStart | 1954 ⓘ |
| country | Canada ⓘ |
| crosses | St. Lawrence River NERFINISHED ⓘ |
| distanceDownstreamFrom | Lake Ontario NERFINISHED ⓘ |
| formsPartOf | Canada–United States power interconnection infrastructure ⓘ |
| formsReservoir | Lake St. Lawrence NERFINISHED ⓘ |
| gridConnection | Ontario electricity grid NERFINISHED ⓘ |
| hasEnvironmentalMonitoring | yes ⓘ |
| hasFishPassageConcerns | yes ⓘ |
| hasFloodControlRole | limited ⓘ |
| hasHVDCConverterStationNearby | yes ⓘ |
| hasIceManagementRole | yes ⓘ |
| hasMaintenanceResponsibility | Ontario Power Generation NERFINISHED ⓘ |
| hasNumberOfTurbineGenerators | 16 ⓘ |
| hasSpillway | yes ⓘ |
| hasTypeOfDam | gravity dam ⓘ |
| interconnectedWith | New York State power grid NERFINISHED ⓘ |
| isBinationalComplexComponent | yes ⓘ |
| isMajorGeneratingStationIn | Ontario NERFINISHED ⓘ |
| locatedIn |
Ontario
ⓘ
St. Lawrence Seaway NERFINISHED ⓘ Stormont, Dundas and Glengarry United Counties NERFINISHED ⓘ |
| locatedNear | Cornwall, Ontario NERFINISHED ⓘ |
| locatedOnRiver | St. Lawrence River NERFINISHED ⓘ |
| namedAfter | Robert Hood Saunders NERFINISHED ⓘ |
| neighboringStateAcrossRiver | New York NERFINISHED ⓘ |
| operator | Ontario Power Generation NERFINISHED ⓘ |
| ownedBy | Ontario Power Generation NERFINISHED ⓘ |
| partOf |
Moses–Saunders Power Dam
NERFINISHED
ⓘ
St. Lawrence Power Project NERFINISHED ⓘ |
| partOfInternationalProjectWith | New York Power Authority NERFINISHED ⓘ |
| primaryEnergySource | hydropower ⓘ |
| purpose | electricity generation ⓘ |
| regulatesWaterLevelOf | St. Lawrence River NERFINISHED ⓘ |
| regulatoryAuthority | Ontario Energy Board NERFINISHED ⓘ |
| sharesDamComplexWith |
Robert Moses Niagara Power Plant
NERFINISHED
ⓘ
St. Lawrence–FDR Power Project NERFINISHED ⓘ |
| supportsNavigation | indirectly via St. Lawrence Seaway ⓘ |
| turbineType | Kaplan turbine ⓘ |
| watercourse | St. Lawrence River 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: R. H. Saunders Generating Station Description of subject: R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
R.H. Saunders Generating Station