W. A. C. Bennett Dam
E487410
The W. A. C. Bennett Dam is a major hydroelectric dam in northern British Columbia, Canada, forming Williston Lake and serving as one of BC Hydro’s largest power-generating facilities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| W. A. C. Bennett Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5013885 — 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: W. A. C. Bennett Dam Context triple: [Peace River, hasDam, W. A. C. Bennett Dam]
-
A.
Revelstoke Dam
Revelstoke Dam is a major hydroelectric dam on the Columbia River in British Columbia, Canada, known for its significant power generation capacity and role in regional energy supply.
-
B.
Muskrat Falls dam
Muskrat Falls dam is a large hydroelectric generating station on the Churchill River in Labrador, Canada, built as part of the Lower Churchill Project.
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C.
Stampede Dam
Stampede Dam is a major earthfill dam in Nevada County, California, that creates Stampede Reservoir on the Little Truckee River for water storage, flood control, and wildlife habitat.
-
D.
Tulloch Dam
Tulloch Dam is a concrete gravity dam on the Stanislaus River in California that forms Tulloch Reservoir for irrigation, hydroelectric power generation, and recreation.
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E.
Pine Portage Dam
Pine Portage Dam is a hydroelectric generating station on Ontario’s Nipigon River that forms part of the region’s power supply infrastructure.
- 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: W. A. C. Bennett Dam Target entity description: The W. A. C. Bennett Dam is a major hydroelectric dam in northern British Columbia, Canada, forming Williston Lake and serving as one of BC Hydro’s largest power-generating facilities.
-
A.
Revelstoke Dam
Revelstoke Dam is a major hydroelectric dam on the Columbia River in British Columbia, Canada, known for its significant power generation capacity and role in regional energy supply.
-
B.
Muskrat Falls dam
Muskrat Falls dam is a large hydroelectric generating station on the Churchill River in Labrador, Canada, built as part of the Lower Churchill Project.
-
C.
Stampede Dam
Stampede Dam is a major earthfill dam in Nevada County, California, that creates Stampede Reservoir on the Little Truckee River for water storage, flood control, and wildlife habitat.
-
D.
Tulloch Dam
Tulloch Dam is a concrete gravity dam on the Stanislaus River in California that forms Tulloch Reservoir for irrigation, hydroelectric power generation, and recreation.
-
E.
Pine Portage Dam
Pine Portage Dam is a hydroelectric generating station on Ontario’s Nipigon River that forms part of the region’s power supply infrastructure.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| associatedIndigenousPeoples |
Dane-zaa
NERFINISHED
ⓘ
Sekani NERFINISHED ⓘ |
| commissioningDate | 1968 ⓘ |
| constructionStartDate | 1961 ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| creates | Williston Lake NERFINISHED ⓘ |
| crestElevation | 671 m above sea level ⓘ |
| crosses | Peace River NERFINISHED ⓘ |
| fuelType | hydropower ⓘ |
| gridConnection | BC Hydro transmission network ⓘ |
| hasSpillway | yes ⓘ |
| hasVisitorCentre | yes ⓘ |
| height | 186 m ⓘ |
| impact |
creation of Williston Lake reservoir
ⓘ
disruption of Indigenous lands and communities ⓘ inundation of large forested areas ⓘ |
| installedCapacity | 2730 MW ⓘ |
| length | 2044 m ⓘ |
| locatedIn |
Peace River region
NERFINISHED
ⓘ
northern British Columbia ⓘ |
| namedAfter |
W. A. C. Bennett
NERFINISHED
ⓘ
William Andrew Cecil Bennett NERFINISHED ⓘ |
| namedAfterOccupation | Premier of British Columbia ⓘ |
| nearCity | Hudson's Hope NERFINISHED ⓘ |
| numberOfTurbines | 10 ⓘ |
| oneOfLargestPowerStationsIn |
British Columbia
NERFINISHED
ⓘ
Canada NERFINISHED ⓘ |
| openingDate | 1968 ⓘ |
| operator | BC Hydro NERFINISHED ⓘ |
| owner | BC Hydro NERFINISHED ⓘ |
| partOf | BC Hydro generating system ⓘ |
| plantType | conventional hydroelectric power station ⓘ |
| primaryPurpose | electricity generation ⓘ |
| province | British Columbia ⓘ |
| region | Peace River Regional District NERFINISHED ⓘ |
| reservoir | Williston Lake NERFINISHED ⓘ |
| reservoirSurfaceArea | about 1773 km² ⓘ |
| reservoirTotalCapacity | about 74 km³ ⓘ |
| secondaryPurpose |
flood control
ⓘ
water storage ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
| visitorCentreOperator | BC Hydro NERFINISHED ⓘ |
| watercourse | Peace 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: W. A. C. Bennett Dam Description of subject: The W. A. C. Bennett Dam is a major hydroelectric dam in northern British Columbia, Canada, forming Williston Lake and serving as one of BC Hydro’s largest power-generating facilities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.