Skagit River Hydroelectric Project
E940481
The Skagit River Hydroelectric Project is a major hydroelectric power system in Washington State that supplies electricity to the Seattle area through a series of dams and reservoirs on the Skagit River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Seattle City Light Skagit–Pend Oreille generation system | 1 |
| Skagit River Hydroelectric Project canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11677932 — 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: Skagit River Hydroelectric Project Context triple: [Seattle City Light, hasFacility, Skagit River Hydroelectric Project]
-
A.
Columbia River hydropower system
The Columbia River hydropower system is an extensive network of dams and generating facilities that provides a major share of the Pacific Northwest’s electricity while also supporting irrigation, navigation, and flood control.
-
B.
Coulee Dam, Washington
Coulee Dam, Washington is a small town in north-central Washington State best known as the community adjacent to the massive Grand Coulee Dam on the Columbia River.
-
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.
Kemano hydroelectric project
The Kemano hydroelectric project is a large-scale power generation facility in British Columbia, Canada, built primarily to supply electricity to the Alcan aluminum smelter in Kitimat by harnessing diverted river flows through extensive tunnels and dams.
-
E.
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.
- 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: Skagit River Hydroelectric Project Target entity description: The Skagit River Hydroelectric Project is a major hydroelectric power system in Washington State that supplies electricity to the Seattle area through a series of dams and reservoirs on the Skagit River.
-
A.
Columbia River hydropower system
The Columbia River hydropower system is an extensive network of dams and generating facilities that provides a major share of the Pacific Northwest’s electricity while also supporting irrigation, navigation, and flood control.
-
B.
Coulee Dam, Washington
Coulee Dam, Washington is a small town in north-central Washington State best known as the community adjacent to the massive Grand Coulee Dam on the Columbia River.
-
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.
Kemano hydroelectric project
The Kemano hydroelectric project is a large-scale power generation facility in British Columbia, Canada, built primarily to supply electricity to the Alcan aluminum smelter in Kitimat by harnessing diverted river flows through extensive tunnels and dams.
-
E.
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.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
electric power system
ⓘ
hydroelectric power project ⓘ |
| adjacentTo | North Cascades National Park Complex NERFINISHED ⓘ |
| constructionBegan | 1918 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| energySource | hydropower ⓘ |
| environmentalImpact | fish habitat alteration ⓘ |
| environmentalMitigation | fish passage and habitat programs ⓘ |
| gridConnection | Pacific Northwest power grid NERFINISHED ⓘ |
| hasDamType |
concrete arch dam
ⓘ
concrete gravity dam ⓘ |
| hasHistoricalSignificance | early large-scale municipal hydro project in U.S. ⓘ |
| hasPart |
Diablo Dam
NERFINISHED
ⓘ
Diablo Powerhouse NERFINISHED ⓘ Gorge Dam NERFINISHED ⓘ Gorge Powerhouse NERFINISHED ⓘ Ross Dam NERFINISHED ⓘ Ross Powerhouse NERFINISHED ⓘ |
| hasRecreationActivity |
boating on Diablo Lake
ⓘ
fishing on Ross Lake ⓘ |
| hasReservoir |
Diablo Lake
NERFINISHED
ⓘ
Gorge Lake NERFINISHED ⓘ Ross Lake NERFINISHED ⓘ |
| hasTourismActivity | dam tours ⓘ |
| inception | early 20th century ⓘ |
| isPartOf | Seattle City Light power system ⓘ |
| locatedIn |
Washington
ⓘ
surface form:
Washington State
|
| locatedInCounty |
Skagit County, Washington
NERFINISHED
ⓘ
Whatcom County, Washington NERFINISHED ⓘ |
| locatedInProtectedArea | North Cascades region NERFINISHED ⓘ |
| locatedOnRiver | Skagit River NERFINISHED ⓘ |
| nearestCity | Newhalem, Washington NERFINISHED ⓘ |
| operatedBy | Seattle City Light NERFINISHED ⓘ |
| ownedBy | Seattle City Light NERFINISHED ⓘ |
| purpose |
electricity generation
ⓘ
municipal power supply ⓘ |
| regionServed | Puget Sound region NERFINISHED ⓘ |
| regulatesRiverFlow | Skagit River NERFINISHED ⓘ |
| subjectToRegulationBy | Federal Energy Regulatory Commission NERFINISHED ⓘ |
| suppliesElectricityTo |
City of Seattle
NERFINISHED
ⓘ
Seattle metropolitan area NERFINISHED ⓘ |
| supportsActivity | renewable energy generation ⓘ |
| usesInfrastructure | transmission lines ⓘ |
| watercourse | Skagit River NERFINISHED ⓘ |
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: Skagit River Hydroelectric Project Description of subject: The Skagit River Hydroelectric Project is a major hydroelectric power system in Washington State that supplies electricity to the Seattle area through a series of dams and reservoirs on the Skagit River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Seattle City Light Skagit–Pend Oreille generation system