Mokelumne River Project (PG&E hydroelectric system)
E843125
The Mokelumne River Project is a Pacific Gas and Electric Company hydroelectric system that harnesses the Mokelumne River through dams, reservoirs, and powerhouses to generate electricity and provide water storage in California.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Mokelumne River Project (PG&E hydroelectric system) canonical | 1 |
| PG&E hydroelectric system | 1 |
| PG&E hydroelectric system in the Sierra Nevada | 1 |
| Upper Mokelumne River Project | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10151716 — 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: Mokelumne River Project (PG&E hydroelectric system) Context triple: [Mokelumne River, subjectOf, Mokelumne River Project (PG&E hydroelectric system)]
-
A.
Deschutes Project
The Deschutes Project is a U.S. Bureau of Reclamation irrigation and water management development in central Oregon that supplies water for agriculture, municipalities, and wildlife habitat along the Deschutes River basin.
-
B.
Feather River Project
The Feather River Project is a major California water development and hydroelectric initiative centered on the Feather River watershed, providing water storage, power generation, and flood control for the state.
-
C.
Cushman Hydroelectric Project
The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
-
D.
Hells Canyon Project
The Hells Canyon Project is a hydroelectric power complex on the Snake River consisting of multiple dams and reservoirs that generate electricity and provide water management in the Hells Canyon area.
-
E.
Klamath Project
The Klamath Project is a major federal water management and irrigation system in southern Oregon and northern California that supplies water to agriculture, wildlife refuges, and communities in the Klamath Basin.
- 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: Mokelumne River Project (PG&E hydroelectric system) Target entity description: The Mokelumne River Project is a Pacific Gas and Electric Company hydroelectric system that harnesses the Mokelumne River through dams, reservoirs, and powerhouses to generate electricity and provide water storage in California.
-
A.
Deschutes Project
The Deschutes Project is a U.S. Bureau of Reclamation irrigation and water management development in central Oregon that supplies water for agriculture, municipalities, and wildlife habitat along the Deschutes River basin.
-
B.
Feather River Project
The Feather River Project is a major California water development and hydroelectric initiative centered on the Feather River watershed, providing water storage, power generation, and flood control for the state.
-
C.
Cushman Hydroelectric Project
The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
-
D.
Hells Canyon Project
The Hells Canyon Project is a hydroelectric power complex on the Snake River consisting of multiple dams and reservoirs that generate electricity and provide water management in the Hells Canyon area.
-
E.
Klamath Project
The Klamath Project is a major federal water management and irrigation system in southern Oregon and northern California that supplies water to agriculture, wildlife refuges, and communities in the Klamath Basin.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric project
ⓘ
hydroelectric system ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| energySource | hydropower ⓘ |
| energyType | renewable energy ⓘ |
| gridConnection | California electric grid ⓘ |
| hasComponent |
dam
ⓘ
hydroelectric powerhouse ⓘ reservoir ⓘ |
| hasFunction |
flood control
ⓘ
flow regulation ⓘ renewable energy production ⓘ |
| industry | electric power ⓘ |
| isSubjectOf |
hydroelectric licensing
ⓘ
water rights agreements ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
|
| locatedInCountrySubdivision |
State of California
ⓘ
linked to:
California (state)
|
| locatedInRegion |
Northern California
ⓘ
Sierra Nevada ⓘ |
| locatedInState |
California
ⓘ
linked to:
California, United States
|
| locatedInWatershed | Mokelumne River watershed ⓘ |
| locatedOnRiver | Mokelumne River ⓘ |
| managingCompany | Pacific Gas and Electric Company ⓘ |
| operator | Pacific Gas and Electric Company ⓘ |
| ownedBy | investor-owned utility ⓘ |
| owner | Pacific Gas and Electric Company ⓘ |
| partOf | PG&E hydroelectric system ⓘ |
| primaryPurpose | hydroelectric power generation ⓘ |
| regulatesRiver | Mokelumne River ⓘ |
| regulatoryJurisdiction |
State of California
ⓘ
linked to:
California (state)
United States federal energy regulators ⓘ |
| riverSystem |
Mokelumne River basin
ⓘ
linked to:
Mokelumne River
|
| secondaryPurpose |
water storage
ⓘ
water supply ⓘ |
| sector | electricity generation ⓘ |
| usesInfrastructureType |
dam
ⓘ
powerhouse ⓘ reservoir ⓘ |
| usesWaterSource | surface water ⓘ |
| utilityOwner |
PG&E
ⓘ
linked to:
Pacific Gas and Electric Company
|
| waterBodyType | river ⓘ |
| watercourse | Mokelumne River ⓘ |
| waterUse |
agricultural water supply
ⓘ
industrial water supply ⓘ municipal water supply ⓘ |
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: Mokelumne River Project (PG&E hydroelectric system) Description of subject: The Mokelumne River Project is a Pacific Gas and Electric Company hydroelectric system that harnesses the Mokelumne River through dams, reservoirs, and powerhouses to generate electricity and provide water storage in California.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mokelumne River Project (PG&E hydroelectric system)
subject linked to:
Mokelumne River Project (PG&E hydroelectric system)
linked to: Mokelumne River Project (PG&E hydroelectric system)
linked to: Mokelumne River Project (PG&E hydroelectric system)