Hyatt Powerplant
E62294
Hyatt Powerplant is a major hydroelectric generating facility in California that harnesses water from Lake Oroville as part of the State Water Project’s power and water delivery system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Edward Hyatt Powerplant | 2 |
| Hyatt Powerplant canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T495757 — 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: Hyatt Powerplant Context triple: [State Water Project, hasComponent, Hyatt Powerplant]
-
A.
Jones Pumping Plant
Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
-
B.
Tracy Pumping Plant
Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
-
C.
Devil Canyon Powerplant
Devil Canyon Powerplant is a hydroelectric generating facility in Southern California that produces power as part of the State Water Project’s water conveyance and energy system.
-
D.
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.
-
E.
Cascades Station
Cascades Station is a light rail stop on Portland’s MAX Red Line serving the Cascade Station shopping and business district near Portland International Airport.
- 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: Hyatt Powerplant Target entity description: Hyatt Powerplant is a major hydroelectric generating facility in California that harnesses water from Lake Oroville as part of the State Water Project’s power and water delivery system.
-
A.
Jones Pumping Plant
Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
-
B.
Tracy Pumping Plant
Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
-
C.
Devil Canyon Powerplant
Devil Canyon Powerplant is a hydroelectric generating facility in Southern California that produces power as part of the State Water Project’s water conveyance and energy system.
-
D.
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.
-
E.
Cascades Station
Cascades Station is a light rail stop on Portland’s MAX Red Line serving the Cascade Station shopping and business district near Portland International Airport.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
energy infrastructure
ⓘ
hydroelectric power plant ⓘ |
| associatedWith |
Oroville Dam
ⓘ
surface form:
Oroville Dam complex
|
| commissioned | 1960s ⓘ |
| connectedTo |
California Aqueduct
ⓘ
surface form:
California State Water Project aqueduct system
|
| country |
United States of America
ⓘ
surface form:
United States
|
| energyConversion | potential energy of stored water to electrical energy ⓘ |
| gridConnection | California electrical grid ⓘ |
| hasFunction |
electricity generation
ⓘ
supporting water delivery ⓘ |
| hasReservoir | Lake Oroville ⓘ |
| isInfrastructureFor | State Water Project water deliveries ⓘ |
| isMajorComponentOf |
Oroville Dam
ⓘ
surface form:
Oroville Facilities of the State Water Project
|
| locatedAt | Oroville Dam ⓘ |
| locatedBelow | Lake Oroville ⓘ |
| locatedIn |
Butte County
ⓘ
surface form:
Butte County, California
California, United States ⓘ
surface form:
California
|
| locatedNear | City of Oroville, California ⓘ |
| locatedOnRiver | Feather River ⓘ |
| operator | California Department of Water Resources ⓘ |
| ownedBy |
California, United States
ⓘ
surface form:
State of California
|
| partOf |
State Water Project
ⓘ
surface form:
California State Water Project
|
| partOfSystem |
State Water Project
ⓘ
surface form:
State Water Project power system
|
| primaryEnergySource | hydropower ⓘ |
| purpose |
to harness water releases from Lake Oroville for power generation
ⓘ
to support State Water Project pumping and deliveries ⓘ |
| regionServed |
Central Valley
ⓘ
surface form:
Central Valley of California
Southern California via State Water Project ⓘ |
| regulates | power supply for State Water Project pumping plants ⓘ |
| role | major hydroelectric generating facility in California ⓘ |
| supports |
California’s renewable energy portfolio
ⓘ
California’s water management system ⓘ |
| typeOfTurbine | water turbine ⓘ |
| usesWaterFrom | Lake Oroville ⓘ |
| waterSource |
Feather River
ⓘ
surface form:
Feather River watershed
|
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: Hyatt Powerplant Description of subject: Hyatt Powerplant is a major hydroelectric generating facility in California that harnesses water from Lake Oroville as part of the State Water Project’s power and water delivery system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Edward Hyatt Powerplant
this entity surface form:
Edward Hyatt Powerplant