Eddystone Generating Station
E865620
Eddystone Generating Station is a large fossil-fuel power plant located along the Delaware River in Eddystone, Pennsylvania, known for its significant role in regional electricity generation.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Eddystone Generating Station canonical | 1 |
| Eddystone Unit 1 | 1 |
| Eddystone Unit 2 | 1 |
| Eddystone Unit 3 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10484085 — 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: Eddystone Generating Station Context triple: [Eddystone, Pennsylvania, hasLandmark, Eddystone Generating Station]
-
A.
R. H. Saunders Generating Station
R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
-
B.
Brayton Point Power Station
Brayton Point Power Station was a large coal-fired power plant in Somerset, Massachusetts, known as one of New England’s most significant and controversial fossil-fuel generating stations before its closure.
-
C.
Kelsey Generating Station
Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
-
D.
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.
-
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: Eddystone Generating Station Target entity description: Eddystone Generating Station is a large fossil-fuel power plant located along the Delaware River in Eddystone, Pennsylvania, known for its significant role in regional electricity generation.
-
A.
R. H. Saunders Generating Station
R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
-
B.
Brayton Point Power Station
Brayton Point Power Station was a large coal-fired power plant in Somerset, Massachusetts, known as one of New England’s most significant and controversial fossil-fuel generating stations before its closure.
-
C.
Kelsey Generating Station
Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
-
D.
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.
-
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 (43)
| Predicate | Object |
|---|---|
| instanceOf |
electric power station
ⓘ
fossil-fuel power plant ⓘ |
| connectedTo | regional transmission network in Pennsylvania ⓘ |
| coolingSource | Delaware River ⓘ |
| country | United States of America ⓘ |
| emits |
carbon dioxide
ⓘ
nitrogen oxides ⓘ particulate matter ⓘ sulfur dioxide ⓘ |
| generationType | thermal power ⓘ |
| gridConnection | PJM Interconnection ⓘ |
| gridRole | baseload and peaking support ⓘ |
| hasEnvironmentalImpact |
air pollution
ⓘ
thermal pollution of water ⓘ |
| hasFunction |
electricity generation for commercial customers
ⓘ
electricity generation for industrial customers ⓘ electricity generation for residential customers ⓘ |
| hasPart |
Eddystone Unit 1
ⓘ
linked to:
Eddystone Generating Station
Eddystone Unit 2 ⓘ
linked to:
Eddystone Generating Station
Eddystone Unit 3 ⓘ
linked to:
Eddystone Generating Station
Eddystone Unit 4 ⓘ |
| industry | electric power generation ⓘ |
| locatedIn | Eddystone, Pennsylvania ⓘ |
| locatedInAdministrativeTerritory | Delaware County, Pennsylvania ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedNear |
Philadelphia, Pennsylvania
ⓘ
linked to:
Philadelphia
|
| locatedNearInfrastructure |
port facilities on the Delaware River
ⓘ
rail transport lines for fuel delivery ⓘ |
| locatedOnWaterbody | Delaware River ⓘ |
| nearbyCity |
Chester, Pennsylvania
ⓘ
linked to:
Chester, Pennsylvania, United States
|
| operatedBy |
Exelon Generation
ⓘ
linked to:
Exelon
|
| ownedBy |
Exelon Corporation
ⓘ
linked to:
Exelon
|
| primaryFuelType | coal ⓘ |
| regionServed |
greater Philadelphia metropolitan area
ⓘ
linked to:
greater Philadelphia area
southeastern Pennsylvania ⓘ |
| regulatoryJurisdiction |
Pennsylvania Department of Environmental Protection
ⓘ
U.S. Environmental Protection Agency ⓘ |
| secondaryFuelType | natural gas ⓘ |
| significantFor | regional electricity generation in the Mid-Atlantic United States ⓘ |
| state | Pennsylvania ⓘ |
| strategicImportance | supports reliability of PJM power grid ⓘ |
| usesTechnology |
boiler-fired generation
ⓘ
steam turbine ⓘ |
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: Eddystone Generating Station Description of subject: Eddystone Generating Station is a large fossil-fuel power plant located along the Delaware River in Eddystone, Pennsylvania, known for its significant role in regional electricity generation.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Eddystone Generating Station
linked to: Eddystone Generating Station
linked to: Eddystone Generating Station