American Electric Power system
E566445
The American Electric Power system is a major U.S. electric utility network that generates, transmits, and distributes electricity across multiple states through an extensive high-voltage grid.
All labels observed (2)
| Label | Occurrences |
|---|---|
| American Electric Power | 1 |
| American Electric Power system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6086331 — 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: American Electric Power system Context triple: [Portsmouth Gaseous Diffusion Plant, gridConnection, American Electric Power system]
-
A.
Southern Electric
Southern Electric was a former regional electricity company in the United Kingdom that later became part of SSE plc through a merger.
-
B.
Cinergy Corporation
Cinergy Corporation was a U.S.-based energy company best known in part for its naming rights sponsorship of Cincinnati’s Cinergy Field baseball stadium.
-
C.
Southeastern Power Administration
The Southeastern Power Administration is a U.S. federal agency that markets and delivers hydroelectric power generated at federally owned dams to public bodies and rural electric cooperatives in the southeastern United States.
-
D.
PJM Interconnection
PJM Interconnection is a regional transmission organization (RTO) that coordinates the movement of wholesale electricity across parts of the eastern United States, operating one of the world’s largest competitive power markets.
-
E.
Southern Power
Southern Power is a U.S.-based wholesale energy company that develops, owns, and operates a portfolio of power generation assets, primarily focused on clean and renewable energy.
- 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: American Electric Power system Target entity description: The American Electric Power system is a major U.S. electric utility network that generates, transmits, and distributes electricity across multiple states through an extensive high-voltage grid.
-
A.
Southern Electric
Southern Electric was a former regional electricity company in the United Kingdom that later became part of SSE plc through a merger.
-
B.
Cinergy Corporation
Cinergy Corporation was a U.S.-based energy company best known in part for its naming rights sponsorship of Cincinnati’s Cinergy Field baseball stadium.
-
C.
Southeastern Power Administration
The Southeastern Power Administration is a U.S. federal agency that markets and delivers hydroelectric power generated at federally owned dams to public bodies and rural electric cooperatives in the southeastern United States.
-
D.
PJM Interconnection
PJM Interconnection is a regional transmission organization (RTO) that coordinates the movement of wholesale electricity across parts of the eastern United States, operating one of the world’s largest competitive power markets.
-
E.
Southern Power
Southern Power is a U.S.-based wholesale energy company that develops, owns, and operates a portfolio of power generation assets, primarily focused on clean and renewable energy.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
electric power system
ⓘ
electric utility network ⓘ |
| component |
control centers
ⓘ
distribution lines ⓘ power plants ⓘ substations ⓘ switching stations ⓘ transmission lines ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| energySource |
fossil fuel power plants
ⓘ
nuclear power plants ⓘ renewable energy facilities ⓘ |
| function |
bulk power delivery
ⓘ
retail power delivery ⓘ wholesale power delivery ⓘ |
| gridCharacteristic |
interconnected network
ⓘ
synchronous AC system ⓘ |
| gridType |
bulk power system
ⓘ
high-voltage transmission grid ⓘ |
| gridVoltageLevel |
extra-high voltage
ⓘ
high voltage ⓘ |
| hasCustomerType |
commercial customers
ⓘ
industrial customers ⓘ residential customers ⓘ wholesale customers ⓘ |
| industry | electric power industry ⓘ |
| interconnect |
Eastern Interconnection
NERFINISHED
ⓘ
Electric Reliability Council of Texas NERFINISHED ⓘ |
| marketRole |
regional transmission owner
ⓘ
retail electric service provider ⓘ vertically integrated utility system ⓘ wholesale power supplier ⓘ |
| operatedBy | American Electric Power NERFINISHED ⓘ |
| ownsAssets |
distribution infrastructure
ⓘ
generation facilities ⓘ transmission infrastructure ⓘ |
| purpose |
bulk power transfer across states
ⓘ
reliable electricity supply ⓘ |
| regulatoryJurisdiction |
Federal Energy Regulatory Commission
NERFINISHED
ⓘ
state public utility commissions ⓘ |
| reliabilityOrganization | North American Electric Reliability Corporation NERFINISHED ⓘ |
| riskType |
generation adequacy risk
ⓘ
grid reliability risk ⓘ transmission congestion ⓘ |
| serviceArea | multiple U.S. states ⓘ |
| serviceType |
electricity distribution
ⓘ
electricity generation ⓘ electricity 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: American Electric Power system Description of subject: The American Electric Power system is a major U.S. electric utility network that generates, transmits, and distributes electricity across multiple states through an extensive high-voltage grid.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Portsmouth Gaseous Diffusion Plant
this entity surface form:
American Electric Power