Salem Nuclear Power Plant
E236578
Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Salem Nuclear Power Plant canonical | 7 |
| Salem Nuclear Generating Station | 3 |
| Salem Nuclear Generating Station site | 1 |
| Salem Nuclear Power Plant Unit 1 | 1 |
| Salem Nuclear Power Plant Unit 2 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2126759 — 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: Salem Nuclear Power Plant Context triple: [Hope Creek Nuclear Generating Station, adjacentTo, Salem Nuclear Power Plant]
-
A.
Hatch Nuclear Power Plant
Hatch Nuclear Power Plant is a commercial nuclear power generating facility in Georgia that supplies electricity to the regional grid as part of Southern Company's energy portfolio.
-
B.
Calvert Cliffs Nuclear Power Plant
Calvert Cliffs Nuclear Power Plant is a two-unit pressurized water nuclear power station on the western shore of the Chesapeake Bay that generates electricity for the Mid-Atlantic region.
-
C.
Hope Creek Nuclear Generating Station
Hope Creek Nuclear Generating Station is a single-unit boiling water nuclear power plant located in Lower Alloways Creek Township, New Jersey, that generates electricity for the regional grid.
-
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.
Vogtle Electric Generating Plant
Vogtle Electric Generating Plant is a major nuclear power facility in Georgia, USA, notable for hosting some of the first newly constructed commercial nuclear reactors in the country in decades.
- 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: Salem Nuclear Power Plant Target entity description: Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
-
A.
Hatch Nuclear Power Plant
Hatch Nuclear Power Plant is a commercial nuclear power generating facility in Georgia that supplies electricity to the regional grid as part of Southern Company's energy portfolio.
-
B.
Calvert Cliffs Nuclear Power Plant
Calvert Cliffs Nuclear Power Plant is a two-unit pressurized water nuclear power station on the western shore of the Chesapeake Bay that generates electricity for the Mid-Atlantic region.
-
C.
Hope Creek Nuclear Generating Station
Hope Creek Nuclear Generating Station is a single-unit boiling water nuclear power plant located in Lower Alloways Creek Township, New Jersey, that generates electricity for the regional grid.
-
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.
Vogtle Electric Generating Plant
Vogtle Electric Generating Plant is a major nuclear power facility in Georgia, USA, notable for hosting some of the first newly constructed commercial nuclear reactors in the country in decades.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
commercial power station
ⓘ
nuclear power plant ⓘ nuclear reactor unit ⓘ nuclear reactor unit ⓘ |
| commercialOperationStart |
late 1970s
ⓘ
mid 1970s ⓘ |
| connectedTo | regional transmission grid ⓘ |
| constructionStart | late 1960s ⓘ |
| coolant | light water ⓘ |
| coolingSource | Delaware River ⓘ |
| coordinates | approx. 39.458°N 75.534°W ⓘ |
| coOwner |
Exelon (minority stake)
ⓘ
linked to:
Exelon
|
| country |
United States
ⓘ
linked to:
United States of America
|
| firstGridConnection |
early 1970s
ⓘ
mid 1970s ⓘ |
| gridConnection | PJM Interconnection ⓘ |
| gridRole | baseload power supplier ⓘ |
| hasContainmentType | large dry containment ⓘ |
| hasSpentFuelPool | yes ⓘ |
| locatedIn |
Lower Alloways Creek Township, New Jersey
ⓘ
New Jersey ⓘ
linked to:
New Jersey, United States
Salem County, New Jersey ⓘ
linked to:
Salem County
|
| locatedOnWaterbody | Delaware River ⓘ |
| moderator | light water ⓘ |
| nearbyFacility | Hope Creek Nuclear Generating Station ⓘ |
| netElectricalCapacity_MWe |
~1150
ⓘ
~1150 ⓘ ~2300 ⓘ |
| numberOfReactors | 2 ⓘ |
| onSiteDryCaskStorage | yes ⓘ |
| operator |
PSEG Nuclear LLC
ⓘ
linked to:
PSEG Power
|
| owner | Public Service Enterprise Group ⓘ |
| primaryCoolingSystem | once-through cooling ⓘ |
| primaryFuel | low-enriched uranium ⓘ |
| purpose | electricity generation for commercial use ⓘ |
| reactorModel |
Westinghouse 4-loop PWR
ⓘ
linked to:
Westinghouse 3-loop PWR
|
| reactorSupplier |
Westinghouse Electric Company
ⓘ
linked to:
Westinghouse Electric Corporation
|
| reactorType |
pressurized water reactor
ⓘ
pressurized water reactor ⓘ pressurized water reactor ⓘ |
| reactorUnit |
Salem Unit 1
ⓘ
Salem Unit 2 ⓘ |
| regulatoryAuthority | U.S. Nuclear Regulatory Commission ⓘ |
| safetySystem |
containment building
ⓘ
emergency core cooling system ⓘ redundant safety trains ⓘ |
| siteType | multi-unit nuclear generating site ⓘ |
| thermalCapacity_MWt |
~3411
ⓘ
~3411 ⓘ |
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: Salem Nuclear Power Plant Description of subject: Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Salem Nuclear Power Plant
linked to: Salem Nuclear Power Plant
linked to: Salem Nuclear Power Plant
linked to: Salem Nuclear Power Plant
linked to: Salem Nuclear Power Plant
linked to: Salem Nuclear Power Plant