North Anna Nuclear Generating Station facilities
E175600
North Anna Nuclear Generating Station facilities comprise a nuclear power plant complex in Virginia that experienced notable structural and operational impacts from the 2011 Virginia earthquake.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T1544729 — 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: North Anna Nuclear Generating Station facilities Context triple: [2011 Virginia earthquake, causedDamageTo, North Anna Nuclear Generating Station facilities]
-
A.
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.
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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.
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.
-
D.
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.
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E.
Seabrook station
Seabrook station is a commuter rail stop in Seabrook, Maryland, served by MARC trains on the Penn Line between Washington, D.C., and Baltimore.
- 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: North Anna Nuclear Generating Station facilities Target entity description: North Anna Nuclear Generating Station facilities comprise a nuclear power plant complex in Virginia that experienced notable structural and operational impacts from the 2011 Virginia earthquake.
-
A.
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.
-
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.
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.
-
D.
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.
-
E.
Seabrook station
Seabrook station is a commuter rail stop in Seabrook, Maryland, served by MARC trains on the Penn Line between Washington, D.C., and Baltimore.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
earthquake
ⓘ
nuclear power plant ⓘ nuclear reactor unit ⓘ nuclear reactor unit ⓘ planned nuclear reactor unit ⓘ |
| backupPower | diesel generators ⓘ |
| commercialOperationDate |
1978
ⓘ
1980 ⓘ |
| coolingSource | Lake Anna ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| date | 2011-08-23 ⓘ |
| epicenterNear | Mineral, Virginia ⓘ |
| experienced |
automatic reactor trip during 2011 Virginia earthquake
ⓘ
loss of offsite power during 2011 Virginia earthquake ⓘ |
| fuelType | low-enriched uranium ⓘ |
| gridConnection | Dominion Energy transmission system ⓘ |
| gridRegion |
Mid-Atlantic United States
ⓘ
linked to:
Mid-Atlantic states
|
| hasIndependentSpentFuelStorageInstallation | yes ⓘ |
| hasReactorType | pressurized water reactor ⓘ |
| hasSpentFuelPool | yes ⓘ |
| hasUnit |
North Anna Unit 1
ⓘ
North Anna Unit 2 ⓘ North Anna Unit 3 ⓘ |
| licensingBasisIncludes | seismic design criteria ⓘ |
| licensingStatus | combined license issued but not constructed ⓘ |
| locatedIn | Louisa County, Virginia ⓘ |
| locatedOn | Lake Anna ⓘ |
| nearbyCity | Mineral, Virginia ⓘ |
| netElectricalCapacity_MWe |
approximately 948
ⓘ
approximately 948 ⓘ |
| NRCPlantCode | NA ⓘ |
| operatedBy | Dominion Energy ⓘ |
| ownedBy | Dominion Energy ⓘ |
| postEventInspection | NRC special inspection after 2011 Virginia earthquake ⓘ |
| primaryContainmentType | reinforced concrete containment ⓘ |
| reactorDesign | Westinghouse 3-loop PWR ⓘ |
| reactorType |
pressurized water reactor
ⓘ
pressurized water reactor ⓘ |
| reactorVendor |
Westinghouse Electric Company
ⓘ
linked to:
Westinghouse Electric Corporation
|
| regulatoryAuthority | U.S. Nuclear Regulatory Commission ⓘ |
| safetySystems |
containment structure
ⓘ
emergency core cooling system ⓘ seismic monitoring system ⓘ |
| seismicEvent | 2011 Virginia earthquake ⓘ |
| shutDownDueTo | 2011 Virginia earthquake ⓘ |
| statusOfUnits1and2 | operational ⓘ |
| totalNetElectricalCapacity_MWe | approximately 1896 ⓘ |
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: North Anna Nuclear Generating Station facilities Description of subject: North Anna Nuclear Generating Station facilities comprise a nuclear power plant complex in Virginia that experienced notable structural and operational impacts from the 2011 Virginia earthquake.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: North Anna Nuclear Generating Station facilities
subject linked to:
North Anna Nuclear Generating Station facilities
linked to: North Anna Nuclear Generating Station facilities
subject linked to:
North Anna Nuclear Generating Station facilities
linked to: North Anna Nuclear Generating Station facilities
subject linked to:
North Anna Nuclear Generating Station facilities
linked to: North Anna Nuclear Generating Station facilities
linked to: North Anna Nuclear Generating Station facilities
linked to: North Anna Nuclear Generating Station facilities
linked to: North Anna Nuclear Generating Station facilities
linked to: North Anna Nuclear Generating Station facilities
linked to: North Anna Nuclear Generating Station facilities