Sault Ste. Marie Canal Powerhouse
E170219
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sault Ste. Marie Canal Powerhouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1477016 — 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: Sault Ste. Marie Canal Powerhouse Context triple: [Sault Ste. Marie Canal, hasStructure, Sault Ste. Marie Canal Powerhouse]
-
A.
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.
-
B.
Smiths Falls Locks
Smiths Falls Locks are a historic set of canal locks in Smiths Falls, Ontario, that form a key part of the Rideau Canal’s navigation and heritage infrastructure.
-
C.
Churchill Falls Generating Station
Churchill Falls Generating Station is one of the world’s largest underground hydroelectric power plants, located on the Churchill River in Labrador, Canada.
-
D.
Muskrat Falls Generating Station
Muskrat Falls Generating Station is a large hydroelectric power facility on the lower Churchill River in Labrador, Canada, developed to supply renewable electricity to Newfoundland and Labrador and beyond.
-
E.
Sir Adam Beck Hydroelectric Generating Stations
The Sir Adam Beck Hydroelectric Generating Stations are a major complex of hydroelectric power plants on the Niagara River in Ontario, Canada, that harness the flow of Niagara Falls to generate electricity for 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: Sault Ste. Marie Canal Powerhouse Target entity description: 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.
-
A.
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.
-
B.
Smiths Falls Locks
Smiths Falls Locks are a historic set of canal locks in Smiths Falls, Ontario, that form a key part of the Rideau Canal’s navigation and heritage infrastructure.
-
C.
Churchill Falls Generating Station
Churchill Falls Generating Station is one of the world’s largest underground hydroelectric power plants, located on the Churchill River in Labrador, Canada.
-
D.
Muskrat Falls Generating Station
Muskrat Falls Generating Station is a large hydroelectric power facility on the lower Churchill River in Labrador, Canada, developed to supply renewable electricity to Newfoundland and Labrador and beyond.
-
E.
Sir Adam Beck Hydroelectric Generating Stations
The Sir Adam Beck Hydroelectric Generating Stations are a major complex of hydroelectric power plants on the Niagara River in Ontario, Canada, that harness the flow of Niagara Falls to generate electricity for the province.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
historic building
ⓘ
hydroelectric power station ⓘ |
| architecturalStyle | industrial architecture ⓘ |
| category |
Buildings and structures in Sault Ste. Marie, Ontario
ⓘ
Hydroelectric power stations in Ontario ⓘ Industrial heritage sites in Canada ⓘ |
| country | Canada ⓘ |
| energySource | hydropower ⓘ |
| hasPart |
control room
ⓘ
generators ⓘ intake channels ⓘ tailrace ⓘ turbines ⓘ |
| hasViewOf | St. Marys River rapids ⓘ |
| heritageDesignation |
National Historic Site of Canada
ⓘ
Ontario Heritage Property ⓘ |
| locatedIn |
Sault Ste. Marie, Ontario
ⓘ
linked to:
Sault Ste. Marie, Ontario, Canada
|
| locatedInProtectedArea |
Sault Ste. Marie Canal National Historic Site
ⓘ
linked to:
Sault Ste. Marie Canal
|
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedNear |
International Bridge (Sault Ste. Marie)
ⓘ
linked to:
Sault Ste. Marie International Bridge
Sault Ste. Marie Canal lock ⓘ
linked to:
Sault Ste. Marie Canal
|
| locatedOn |
Sault Ste. Marie Canal
ⓘ
St. Marys River ⓘ |
| materialUsed |
brick
ⓘ
stone ⓘ |
| nearBorderWith |
United States
ⓘ
linked to:
United States of America
|
| nearCity | Sault Ste. Marie, Michigan ⓘ |
| openToPublic | yes ⓘ |
| operator | Parks Canada ⓘ |
| ownedBy | Parks Canada ⓘ |
| partOf |
Sault Ste. Marie Canal complex
ⓘ
linked to:
Sault Ste. Marie Canal
|
| primaryFunction | to generate hydroelectric power ⓘ |
| significance |
example of early hydroelectric power for canal operation
ⓘ
industrial heritage site in Northern Ontario ⓘ |
| usedFor |
operation of Sault Ste. Marie Canal
ⓘ
powering canal lock mechanisms ⓘ providing electricity to nearby facilities ⓘ |
| waterSource | St. Marys River ⓘ |
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: Sault Ste. Marie Canal Powerhouse Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.