Unit 3 (nuclear)
E564561
Unit 3 (nuclear) is the decommissioned boiling water reactor unit of the Humboldt Bay Power Plant in California.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Unit 3 (nuclear) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6049438 — 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: Unit 3 (nuclear) Context triple: [Humboldt Bay Power Plant, hasUnit, Unit 3 (nuclear)]
-
A.
NUCL
NUCL is the abbreviation for the Division of Nuclear Chemistry and Technology, a professional body focused on research and advancement in nuclear chemistry and related technologies.
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B.
NUC
NUC is the standard abbreviation for the U.S. Navy Unit Commendation, a collective military award recognizing outstanding heroism or meritorious service by Navy units.
-
C.
NUC
NUC is the commonly used abbreviation for the NATO-Ukraine Commission, the main body overseeing political dialogue and cooperation between NATO and Ukraine.
-
D.
Fukushima Daiichi Unit 3
Fukushima Daiichi Unit 3 is one of the damaged reactors at Japan’s Fukushima Daiichi Nuclear Power Plant, known for suffering a hydrogen explosion and core meltdown during the 2011 nuclear disaster.
-
E.
NRU reactor
The NRU reactor was a Canadian research nuclear reactor at Chalk River Laboratories known for producing medical isotopes and supporting materials testing and reactor physics research.
- 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: Unit 3 (nuclear) Target entity description: Unit 3 (nuclear) is the decommissioned boiling water reactor unit of the Humboldt Bay Power Plant in California.
-
A.
NUCL
NUCL is the abbreviation for the Division of Nuclear Chemistry and Technology, a professional body focused on research and advancement in nuclear chemistry and related technologies.
-
B.
NUC
NUC is the standard abbreviation for the U.S. Navy Unit Commendation, a collective military award recognizing outstanding heroism or meritorious service by Navy units.
-
C.
NUC
NUC is the commonly used abbreviation for the NATO-Ukraine Commission, the main body overseeing political dialogue and cooperation between NATO and Ukraine.
-
D.
Fukushima Daiichi Unit 3
Fukushima Daiichi Unit 3 is one of the damaged reactors at Japan’s Fukushima Daiichi Nuclear Power Plant, known for suffering a hydrogen explosion and core meltdown during the 2011 nuclear disaster.
-
E.
NRU reactor
The NRU reactor was a Canadian research nuclear reactor at Chalk River Laboratories known for producing medical isotopes and supporting materials testing and reactor physics research.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
boiling water reactor
ⓘ
nuclear reactor unit ⓘ |
| city | Eureka, California NERFINISHED ⓘ |
| coLocatedWith | Humboldt Bay Power Plant fossil-fueled units ⓘ |
| commercialOperationStartYear | 1963 ⓘ |
| connectedTo | California electrical grid NERFINISHED ⓘ |
| continent | North America ⓘ |
| coolant | light water ⓘ |
| coolingSource | Humboldt Bay NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| decommissioningStatus | in decommissioning ⓘ |
| fuelType | low-enriched uranium ⓘ |
| generation | early commercial nuclear power plant in the United States ⓘ |
| generationType | electric power generation ⓘ |
| gridConnectionYear | 1963 ⓘ |
| hasDecommissioningActivity |
radioactive waste packaging
ⓘ
reactor vessel segmentation ⓘ site remediation ⓘ |
| hasUnitNumber | 3 ⓘ |
| licensee | Pacific Gas and Electric Company NERFINISHED ⓘ |
| locatedIn |
Humboldt County, California
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| moderator | light water ⓘ |
| netElectricalCapacity_MWe | 63 ⓘ |
| operator | Pacific Gas and Electric Company NERFINISHED ⓘ |
| owner | Pacific Gas and Electric Company NERFINISHED ⓘ |
| partOf | Humboldt Bay Power Plant NERFINISHED ⓘ |
| permanentShutdownYear | 1976 ⓘ |
| primaryFuel |
enriched uranium
ⓘ
uranium dioxide ⓘ |
| purpose | commercial electricity generation ⓘ |
| reactorGeneration | Generation II ⓘ |
| reactorSupplier | General Electric NERFINISHED ⓘ |
| reactorType |
BWR
ⓘ
boiling water reactor ⓘ |
| regulatoryAuthority | United States Nuclear Regulatory Commission NERFINISHED ⓘ |
| safetyContainmentType | Mark I containment NERFINISHED ⓘ |
| shutdownYear | 1976 ⓘ |
| siteName | Humboldt Bay Power Plant NERFINISHED ⓘ |
| spentFuelStorage | independent spent fuel storage installation ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| status | decommissioned ⓘ |
| technologyVendor | General Electric NERFINISHED ⓘ |
| thermalCapacity_MWt | 220 ⓘ |
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: Unit 3 (nuclear) Description of subject: Unit 3 (nuclear) is the decommissioned boiling water reactor unit of the Humboldt Bay Power Plant in California.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.