Passamaquoddy Tidal Power Project
E919229
The Passamaquoddy Tidal Power Project was a proposed mid-20th-century U.S. hydroelectric scheme to harness the large tides of Passamaquoddy Bay on the Maine–New Brunswick border for renewable energy generation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Passamaquoddy Tidal Power Project canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11324987 — 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: Passamaquoddy Tidal Power Project Context triple: [Passamaquoddy Bay, subjectOf, Passamaquoddy Tidal Power Project]
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A.
Cushman Hydroelectric Project
The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
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B.
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.
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C.
St. Lawrence–FDR Power Project
The St. Lawrence–FDR Power Project is a major hydroelectric generating facility on the St. Lawrence River that supplies renewable power to New York State and neighboring regions.
-
D.
Connecticut River hydroelectric system
The Connecticut River hydroelectric system is a network of dams and power stations along the Connecticut River that generate renewable electricity for the surrounding region.
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E.
Susitna-Watana Hydroelectric Project
The Susitna-Watana Hydroelectric Project is a proposed large-scale dam and hydroelectric power development in Alaska intended to generate substantial renewable electricity and support the state’s long-term energy needs.
- 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: Passamaquoddy Tidal Power Project Target entity description: The Passamaquoddy Tidal Power Project was a proposed mid-20th-century U.S. hydroelectric scheme to harness the large tides of Passamaquoddy Bay on the Maine–New Brunswick border for renewable energy generation.
-
A.
Cushman Hydroelectric Project
The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
-
B.
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.
-
C.
St. Lawrence–FDR Power Project
The St. Lawrence–FDR Power Project is a major hydroelectric generating facility on the St. Lawrence River that supplies renewable power to New York State and neighboring regions.
-
D.
Connecticut River hydroelectric system
The Connecticut River hydroelectric system is a network of dams and power stations along the Connecticut River that generate renewable electricity for the surrounding region.
-
E.
Susitna-Watana Hydroelectric Project
The Susitna-Watana Hydroelectric Project is a proposed large-scale dam and hydroelectric power development in Alaska intended to generate substantial renewable electricity and support the state’s long-term energy needs.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power project
ⓘ
proposed infrastructure project ⓘ tidal power project ⓘ |
| adjacentTo |
Maine coast
ⓘ
New Brunswick coast ⓘ |
| basedOn | large tidal range of Passamaquoddy Bay ⓘ |
| borderFeature | Maine–New Brunswick border NERFINISHED ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| energySource |
renewable energy
ⓘ
tidal energy ⓘ |
| energyType | tidal range energy ⓘ |
| field |
hydropower engineering
ⓘ
renewable energy engineering ⓘ |
| hasEnvironmentalContext | Bay of Fundy tidal system NERFINISHED ⓘ |
| hasHydrologicalContext | Passamaquoddy Bay NERFINISHED ⓘ |
| intendedBenefit |
regional power supply
ⓘ
utilization of tidal range for power ⓘ |
| intendedTechnology |
hydroelectric turbines
ⓘ
tidal barrage ⓘ |
| locatedIn |
Gulf of Maine region
NERFINISHED
ⓘ
Passamaquoddy Bay NERFINISHED ⓘ |
| locatedOnBorderOf |
Maine
NERFINISHED
ⓘ
New Brunswick NERFINISHED ⓘ |
| partOf | historical U.S. tidal power proposals ⓘ |
| proposedIn | 20th century ⓘ |
| purpose |
electricity generation
ⓘ
hydroelectric power production ⓘ |
| relatedTo | Bay of Fundy tidal power NERFINISHED ⓘ |
| status |
canceled project
ⓘ
never built ⓘ |
| timePeriod | mid-20th century ⓘ |
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: Passamaquoddy Tidal Power Project Description of subject: The Passamaquoddy Tidal Power Project was a proposed mid-20th-century U.S. hydroelectric scheme to harness the large tides of Passamaquoddy Bay on the Maine–New Brunswick border for renewable energy generation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.