Western Interconnection
E284822
The Western Interconnection is a major synchronized electric power grid that spans much of western North America, linking utilities and power plants across multiple U.S. states, Canadian provinces, and parts of Mexico.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Western Interconnection canonical | 7 |
| Western Interconnection power grid | 2 |
| Pacific Northwest grid | 1 |
| Quebec Interconnection | 1 |
| U.S. Western Interconnection | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2616472 — 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: Western Interconnection Context triple: [Right Powerhouse, gridConnection, Western Interconnection]
-
A.
Eastern Interconnection
The Eastern Interconnection is one of North America's major synchronized AC power grids, spanning much of the eastern and central United States and parts of Canada.
-
B.
Americal Division
The Americal Division was a U.S. Army infantry division active during World War II and the Vietnam War, historically notorious for its involvement in the My Lai massacre.
-
C.
Midwest Connect
Midwest Connect was a regional airline brand in the United States that provided feeder and short-haul services, primarily in the Midwestern states.
-
D.
Continental U.S. NORAD Region
The Continental U.S. NORAD Region is the North American Aerospace Defense Command component responsible for aerospace warning and control over the contiguous United States.
-
E.
Greater Union
Greater Union is an Australian cinema chain and film distribution company known for releasing and exhibiting a wide range of local and international films.
- 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: Western Interconnection Target entity description: The Western Interconnection is a major synchronized electric power grid that spans much of western North America, linking utilities and power plants across multiple U.S. states, Canadian provinces, and parts of Mexico.
-
A.
Eastern Interconnection
The Eastern Interconnection is one of North America's major synchronized AC power grids, spanning much of the eastern and central United States and parts of Canada.
-
B.
Americal Division
The Americal Division was a U.S. Army infantry division active during World War II and the Vietnam War, historically notorious for its involvement in the My Lai massacre.
-
C.
Midwest Connect
Midwest Connect was a regional airline brand in the United States that provided feeder and short-haul services, primarily in the Midwestern states.
-
D.
Continental U.S. NORAD Region
The Continental U.S. NORAD Region is the North American Aerospace Defense Command component responsible for aerospace warning and control over the contiguous United States.
-
E.
Greater Union
Greater Union is an Australian cinema chain and film distribution company known for releasing and exhibiting a wide range of local and international films.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
power transmission network
ⓘ
synchronized electric power grid ⓘ |
| acronym | WECC region ⓘ |
| connects |
electric utilities
ⓘ
load centers ⓘ power plants ⓘ |
| continent | North America ⓘ |
| country |
Canada
ⓘ
Mexico ⓘ United States of America ⓘ
surface form:
United States
|
| gridType | alternating current grid ⓘ |
| hasPart |
bulk power transmission system
ⓘ
distribution utilities ⓘ electric power plants ⓘ |
| hasReliabilityStandards | NERC reliability standards ⓘ |
| includesResourceType |
coal-fired generation
ⓘ
hydroelectric generation ⓘ natural gas-fired generation ⓘ renewable energy resources ⓘ solar power ⓘ thermal generation ⓘ wind power ⓘ |
| interconnectedVia | high-voltage direct current ties ⓘ |
| interconnectionFrequency | 60 Hz ⓘ |
| isOneOf |
major North American power interconnections
ⓘ
three main AC interconnections in the contiguous United States ⓘ |
| isPartOf |
North American power transmission grid
ⓘ
surface form:
North American bulk power system
|
| isSeparatedFrom |
Eastern Interconnection
ⓘ
Texas Interconnection ⓘ |
| operatingCharacteristic |
coordinated dispatch
ⓘ
inter-utility power transfers ⓘ wide-area frequency control ⓘ |
| purpose |
bulk power system reliability
ⓘ
electricity supply to consumers ⓘ long-distance power transmission ⓘ |
| regionServed |
Northern Mexico
ⓘ
Western Canada ⓘ western United States ⓘ
surface form:
Western United States
|
| regulatoryBody | Western Electricity Coordinating Council ⓘ |
| spansPartOf |
Canada
ⓘ
Mexico ⓘ United States of America ⓘ
surface form:
United States
|
| standardBody | North American Electric Reliability Corporation ⓘ |
| supports |
retail electricity service
ⓘ
wholesale electricity markets ⓘ |
| synchronizationStatus | synchronously operated ⓘ |
| voltageLevel | high-voltage transmission ⓘ |
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: Western Interconnection Description of subject: The Western Interconnection is a major synchronized electric power grid that spans much of western North America, linking utilities and power plants across multiple U.S. states, Canadian provinces, and parts of Mexico.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pacific Northwest grid
this entity surface form:
Quebec Interconnection
this entity surface form:
U.S. Western Interconnection
this entity surface form:
Western Interconnection power grid
this entity surface form:
Western Interconnection power grid