Third Powerhouse
E58691
The Third Powerhouse is a major hydroelectric generating facility added to the Grand Coulee Dam complex to significantly increase its power production capacity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Third Powerhouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T469821 — 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: Third Powerhouse Context triple: [Grand Coulee Dam, hasPart, Third Powerhouse]
-
A.
Second Foundation
Second Foundation is a science fiction novel by Isaac Asimov that concludes his original Foundation trilogy, focusing on a secretive group of mentalics guiding the fate of the Galactic Empire.
-
B.
Trinity
Trinity was the codename for the first detonation of a nuclear weapon, conducted by the United States in New Mexico on July 16, 1945.
-
C.
Trinity
The Trinity is the central Christian doctrine that God exists as one divine being in three distinct, co-equal persons: the Father, the Son, and the Holy Spirit.
-
D.
Fourth Party
The Fourth Party was a small but influential faction of late 19th-century British Conservative MPs, led by Lord Randolph Churchill, known for its aggressive opposition tactics and role in reshaping Tory politics.
-
E.
The Five
The Five is a Fox News Channel weekday panel show where five co-hosts discuss current news, politics, and pop culture from a generally conservative perspective.
- 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: Third Powerhouse Target entity description: The Third Powerhouse is a major hydroelectric generating facility added to the Grand Coulee Dam complex to significantly increase its power production capacity.
-
A.
Second Foundation
Second Foundation is a science fiction novel by Isaac Asimov that concludes his original Foundation trilogy, focusing on a secretive group of mentalics guiding the fate of the Galactic Empire.
-
B.
Trinity
Trinity was the codename for the first detonation of a nuclear weapon, conducted by the United States in New Mexico on July 16, 1945.
-
C.
Trinity
The Trinity is the central Christian doctrine that God exists as one divine being in three distinct, co-equal persons: the Father, the Son, and the Holy Spirit.
-
D.
Fourth Party
The Fourth Party was a small but influential faction of late 19th-century British Conservative MPs, led by Lord Randolph Churchill, known for its aggressive opposition tactics and role in reshaping Tory politics.
-
E.
The Five
The Five is a Fox News Channel weekday panel show where five co-hosts discuss current news, politics, and pop culture from a generally conservative perspective.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power station
ⓘ
powerhouse ⓘ |
| adjacentTo | original Grand Coulee Dam powerhouses ⓘ |
| associatedWith |
Grand Coulee Dam
ⓘ
surface form:
Grand Coulee Dam Third Powerplant
|
| category |
Energy infrastructure in the United States
ⓘ
Hydroelectric power stations in Washington (state) ⓘ |
| connectedTo | regional electrical grid ⓘ |
| constructionType | concrete powerhouse structure ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| energySource | hydropower ⓘ |
| hasComponent |
generators
ⓘ
penstocks ⓘ switchyard ⓘ turbines ⓘ |
| hasFunction | generate electricity from water flow ⓘ |
| hasType | large-scale hydroelectric facility ⓘ |
| isExtensionOf | Grand Coulee Dam generating capacity ⓘ |
| locatedIn |
Columbia Plateau
ⓘ
surface form:
Columbia Basin region
Grand Coulee Dam ⓘ
surface form:
Grand Coulee Dam complex
Washington ⓘ
surface form:
Washington State
|
| locatedOn | Columbia River ⓘ |
| operator |
Bureau of Reclamation
ⓘ
surface form:
U.S. Bureau of Reclamation
|
| ownedBy | United States government ⓘ |
| partOf |
Grand Coulee Dam
ⓘ
Grand Coulee Dam ⓘ
surface form:
Grand Coulee Dam hydroelectric complex
|
| purpose |
hydroelectric power generation
ⓘ
increase power production capacity of Grand Coulee Dam ⓘ |
| usedFor |
regional power supply
ⓘ
supporting industrial and residential electricity demand ⓘ |
| waterSource | Columbia River ⓘ |
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: Third Powerhouse Description of subject: The Third Powerhouse is a major hydroelectric generating facility added to the Grand Coulee Dam complex to significantly increase its power production capacity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.