Annapolis Royal Generating Station
E640968
Annapolis Royal Generating Station is a former tidal power generating facility in Nova Scotia, Canada, known as one of the few tidal power plants in North America.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Annapolis Royal Generating Station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7083623 — 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: Annapolis Royal Generating Station Context triple: [Annapolis River, near, Annapolis Royal Generating Station]
-
A.
Robert-Bourassa generating station
The Robert-Bourassa generating station is a massive hydroelectric power plant in northern Quebec and one of the key facilities in Hydro-Québec’s La Grande complex.
-
B.
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.
-
C.
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.
-
D.
Les Cèdres generating station
Les Cèdres generating station is a hydroelectric power plant in Quebec, Canada, that harnesses the flow of the Saint Lawrence River to generate electricity.
-
E.
Beauharnois generating station
The Beauharnois generating station is a large hydroelectric power plant in Quebec, Canada, known for harnessing the flow of the Saint Lawrence River to produce electricity.
- 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: Annapolis Royal Generating Station Target entity description: Annapolis Royal Generating Station is a former tidal power generating facility in Nova Scotia, Canada, known as one of the few tidal power plants in North America.
-
A.
Robert-Bourassa generating station
The Robert-Bourassa generating station is a massive hydroelectric power plant in northern Quebec and one of the key facilities in Hydro-Québec’s La Grande complex.
-
B.
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.
-
C.
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.
-
D.
Les Cèdres generating station
Les Cèdres generating station is a hydroelectric power plant in Quebec, Canada, that harnesses the flow of the Saint Lawrence River to generate electricity.
-
E.
Beauharnois generating station
The Beauharnois generating station is a large hydroelectric power plant in Quebec, Canada, known for harnessing the flow of the Saint Lawrence River to produce electricity.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power station
ⓘ
tidal power plant ⓘ |
| annualGeneration | about 50 GWh ⓘ |
| basinCountry | Canada ⓘ |
| commissioned | 1984 ⓘ |
| connectsWithStructure | Annapolis River causeway NERFINISHED ⓘ |
| constructionMaterial | concrete ⓘ |
| country | Canada ⓘ |
| decommissioned | 2019 ⓘ |
| electricalCapacity | 20 megawatts ⓘ |
| energySource |
gravitational potential energy of tides
ⓘ
tidal energy ⓘ |
| environmentalImpact |
alteration of tidal flow
ⓘ
fish mortality ⓘ |
| gridConnection | Nova Scotia electrical grid ⓘ |
| gridRole | peaking power supply ⓘ |
| hasPart | Annapolis Causeway NERFINISHED ⓘ |
| hasVisitorCentre | yes ⓘ |
| head | approximately 6.4 metres ⓘ |
| inception | 1984 ⓘ |
| installedCapacity | 20 MW ⓘ |
| jurisdiction | Province of Nova Scotia NERFINISHED ⓘ |
| locatedIn |
Annapolis River
NERFINISHED
ⓘ
Annapolis Royal NERFINISHED ⓘ |
| locatedInAdministrativeTerritory | Nova Scotia NERFINISHED ⓘ |
| locatedInHydrologicalBasin | Bay of Fundy NERFINISHED ⓘ |
| locatedInTimeZone | Atlantic Time Zone NERFINISHED ⓘ |
| locatedNear | town of Annapolis Royal NERFINISHED ⓘ |
| locatedOnBodyOfWaterWithFeature | Bay of Fundy high tidal range ⓘ |
| notableFor |
being one of the few tidal power plants in North America
ⓘ
being the first tidal power plant in North America used for commercial power generation ⓘ |
| numberOfTurbines | 1 ⓘ |
| operator | Nova Scotia Power NERFINISHED ⓘ |
| ownedBy |
Emera
NERFINISHED
ⓘ
Nova Scotia Power NERFINISHED ⓘ |
| partOf | tidal power development in the Bay of Fundy ⓘ |
| reasonForClosure |
concerns about fish mortality
ⓘ
environmental concerns ⓘ |
| regionServed | Annapolis Valley NERFINISHED ⓘ |
| startOfConstruction | 1980 ⓘ |
| status |
decommissioned
ⓘ
former power station ⓘ |
| tourism | offered tours and educational exhibits on tidal power ⓘ |
| turbineType | Straflo turbine ⓘ |
| usedFor |
demonstration of tidal power technology
ⓘ
electricity generation ⓘ |
| watercourse | Annapolis 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: Annapolis Royal Generating Station Description of subject: Annapolis Royal Generating Station is a former tidal power generating facility in Nova Scotia, Canada, known as one of the few tidal power plants in North America.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.