Devil Canyon Powerplant
E61678
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Devil Canyon Powerplant canonical | 3 |
| Castaic Power Plant | 1 |
| Devil Canyon–Castaic power system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T495756 — 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: Devil Canyon Powerplant Context triple: [State Water Project, hasComponent, Devil Canyon Powerplant]
-
A.
Ivanpah Valley
Ivanpah Valley is an arid basin in the northeastern Mojave Desert known for its desert landscapes, dry lakebeds, and large-scale solar energy installations.
-
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.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
D.
Folsom Dam
Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
-
E.
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.
- 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: Devil Canyon Powerplant Target entity description: 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.
-
A.
Ivanpah Valley
Ivanpah Valley is an arid basin in the northeastern Mojave Desert known for its desert landscapes, dry lakebeds, and large-scale solar energy installations.
-
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.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
D.
Folsom Dam
Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
-
E.
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power plant
ⓘ
power station ⓘ |
| connectedTo |
Devil Canyon Afterbay
ⓘ
San Bernardino Mountains water conveyance facilities ⓘ Silverwood Lake ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| energySource | hydropower ⓘ |
| gridConnection | California electrical grid ⓘ |
| hasType | conduit hydroelectric facility ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Bernardino County ⓘ
surface form:
San Bernardino County, California
Southern California ⓘ United States West Coast power system region ⓘ |
| locatedNear |
San Bernardino
ⓘ
surface form:
San Bernardino, California
|
| operator | California Department of Water Resources ⓘ |
| ownedBy | California Department of Water Resources ⓘ |
| partOf |
State Water Project
ⓘ
surface form:
California State Water Project
State Water Project ⓘ
surface form:
State Water Project power and conveyance system
|
| primaryFunction |
hydroelectric power generation
ⓘ
support of water conveyance for the State Water Project ⓘ |
| purpose |
to generate electricity from water released through the State Water Project system
ⓘ
to support water deliveries for urban and agricultural users in California ⓘ |
| regionServed | Southern California ⓘ |
| regulatoryJurisdiction |
California, United States
ⓘ
surface form:
State of California
United States federal energy and water regulations ⓘ |
| sector |
electric power industry
ⓘ
water resources infrastructure ⓘ |
| uses | water from the State Water Project conveyance system ⓘ |
| watercourse |
State Water Project
ⓘ
surface form:
California State Water Project aqueduct system
|
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: Devil Canyon Powerplant Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Castaic Power Plant
this entity surface form:
Devil Canyon–Castaic power system