San Onofre Nuclear Generating Station Unit 2
E1202832
UNEXPLORED
San Onofre Nuclear Generating Station Unit 2 was a pressurized water reactor unit at the San Onofre nuclear power plant in California, known for its coastal location between Los Angeles and San Diego and its eventual permanent shutdown following equipment issues.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Onofre Nuclear Generating Station Unit 2 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T16238474 — 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: San Onofre Nuclear Generating Station Unit 2 Context triple: [Combustion Engineering, suppliedTo, San Onofre Nuclear Generating Station Unit 2]
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A.
Palo Seco Power Plant
Palo Seco Power Plant is a major thermoelectric generating station in Puerto Rico that supplies electricity to the San Juan metropolitan area and surrounding regions.
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B.
Ascó Nuclear Power Plant
Ascó Nuclear Power Plant is a major Spanish nuclear power facility located in Catalonia that generates electricity using pressurized water reactors.
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C.
Castaic Power Plant
Castaic Power Plant is a large pumped-storage hydroelectric facility in Los Angeles County, California, that generates electricity by moving water between Castaic Lake and Pyramid Lake to help balance regional power demand.
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D.
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.
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E.
South Texas Project Nuclear Generating Station
The South Texas Project Nuclear Generating Station is a major nuclear power plant complex in Texas that supplies a significant portion of the region’s 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: San Onofre Nuclear Generating Station Unit 2 Target entity description: San Onofre Nuclear Generating Station Unit 2 was a pressurized water reactor unit at the San Onofre nuclear power plant in California, known for its coastal location between Los Angeles and San Diego and its eventual permanent shutdown following equipment issues.
-
A.
Palo Seco Power Plant
Palo Seco Power Plant is a major thermoelectric generating station in Puerto Rico that supplies electricity to the San Juan metropolitan area and surrounding regions.
-
B.
Ascó Nuclear Power Plant
Ascó Nuclear Power Plant is a major Spanish nuclear power facility located in Catalonia that generates electricity using pressurized water reactors.
-
C.
Castaic Power Plant
Castaic Power Plant is a large pumped-storage hydroelectric facility in Los Angeles County, California, that generates electricity by moving water between Castaic Lake and Pyramid Lake to help balance regional power demand.
-
D.
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.
-
E.
South Texas Project Nuclear Generating Station
The South Texas Project Nuclear Generating Station is a major nuclear power plant complex in Texas that supplies a significant portion of the region’s electricity.
- F. None of above. chosen
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.