Limestone Generating Station
E544798
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Limestone Generating Station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5684752 — 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: Limestone Generating Station Context triple: [Nelson River, hasHydroelectricStation, Limestone Generating Station]
-
A.
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.
-
B.
Kingston Fossil Plant
Kingston Fossil Plant is a large coal-fired power plant operated by the Tennessee Valley Authority, known for its significant electricity generation and for a major coal ash spill in 2008.
-
C.
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.
-
D.
Pickering Nuclear Generating Station
Pickering Nuclear Generating Station is a large Canadian nuclear power plant on the shore of Lake Ontario that has been a major source of electricity for the Greater Toronto Area.
-
E.
Salem Harbor Power Station
Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
- 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: Limestone Generating Station Target entity description: 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.
-
A.
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.
-
B.
Kingston Fossil Plant
Kingston Fossil Plant is a large coal-fired power plant operated by the Tennessee Valley Authority, known for its significant electricity generation and for a major coal ash spill in 2008.
-
C.
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.
-
D.
Pickering Nuclear Generating Station
Pickering Nuclear Generating Station is a large Canadian nuclear power plant on the shore of Lake Ontario that has been a major source of electricity for the Greater Toronto Area.
-
E.
Salem Harbor Power Station
Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power station
ⓘ
run-of-the-river power plant ⓘ |
| commissioningDate |
1990
ⓘ
1992 ⓘ |
| connectedTo |
Bipole II
NERFINISHED
ⓘ
Bipole III NERFINISHED ⓘ Nelson River HVDC system NERFINISHED ⓘ |
| constructionStartDate | 1976 ⓘ |
| country | Canada ⓘ |
| countrySubdivision | Province of Manitoba NERFINISHED ⓘ |
| energySource | gravitational potential energy of water ⓘ |
| exportsElectricityTo |
Ontario
NERFINISHED
ⓘ
United States NERFINISHED ⓘ |
| gridConnection | Manitoba electrical grid NERFINISHED ⓘ |
| gridOperator | Manitoba Hydro NERFINISHED ⓘ |
| hasEnvironmentalImpact |
fish habitat alteration
ⓘ
river flow regulation ⓘ |
| hasInfrastructureType | large-scale hydroelectric facility ⓘ |
| hasReservoir | Limestone Reservoir NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| hasType | run-of-the-river dam ⓘ |
| isOneOfLargestIn |
Canada
NERFINISHED
ⓘ
Manitoba NERFINISHED ⓘ |
| isPartOfSystem | Nelson River generating system NERFINISHED ⓘ |
| locatedDownstreamOf | Kettle Generating Station NERFINISHED ⓘ |
| locatedIn | Manitoba ⓘ |
| locatedInBasin | Hudson Bay drainage basin NERFINISHED ⓘ |
| locatedInCountry | Canada ⓘ |
| locatedInRegion | Northern Manitoba NERFINISHED ⓘ |
| locatedNear | Gillam, Manitoba NERFINISHED ⓘ |
| locatedOnRiver | Nelson River NERFINISHED ⓘ |
| locatedUpstreamOf | Long Spruce Generating Station NERFINISHED ⓘ |
| numberOfTurbines | 10 ⓘ |
| operator | Manitoba Hydro NERFINISHED ⓘ |
| ownedBy | Manitoba Hydro NERFINISHED ⓘ |
| partOf |
Manitoba Hydro Northern Generating Stations
NERFINISHED
ⓘ
Nelson River Hydroelectric Project NERFINISHED ⓘ |
| primaryFuel | hydropower ⓘ |
| province | Manitoba NERFINISHED ⓘ |
| purpose | electricity generation ⓘ |
| regionServed |
Manitoba
NERFINISHED
ⓘ
Midwestern United States ⓘ |
| sector | electric power industry ⓘ |
| status | operational ⓘ |
| turbineType | Kaplan turbine NERFINISHED ⓘ |
| usesTechnology | low-head hydroelectric generation ⓘ |
| watercourse | Nelson 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: Limestone Generating Station Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.