Southeastern United States electric grid
E410579
The Southeastern United States electric grid is the interconnected regional power network that delivers electricity across the southeastern states, integrating generation sources like nuclear, coal, natural gas, and renewables to serve homes, businesses, and industry.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Florida electric grid | 1 |
| Southeastern United States electric grid canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4068880 — 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: Southeastern United States electric grid Context triple: [Vogtle Electric Generating Plant, gridOperatorServed, Southeastern United States electric grid]
-
A.
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.
-
B.
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.
-
C.
Mississippi Power
Mississippi Power is a regional electric utility company serving customers in parts of Mississippi as part of the Southern Company family of energy providers.
-
D.
Southwestern Power Administration
Southwestern Power Administration is a U.S. federal agency that markets and transmits hydroelectric power generated at federally owned dams across the southwestern region.
-
E.
Oglethorpe Power Corporation
Oglethorpe Power Corporation is a Georgia-based electric cooperative that generates and supplies wholesale power to member-owned utilities, including through ownership stakes in nuclear facilities.
- 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: Southeastern United States electric grid Target entity description: The Southeastern United States electric grid is the interconnected regional power network that delivers electricity across the southeastern states, integrating generation sources like nuclear, coal, natural gas, and renewables to serve homes, businesses, and industry.
-
A.
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.
-
B.
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.
-
C.
Mississippi Power
Mississippi Power is a regional electric utility company serving customers in parts of Mississippi as part of the Southern Company family of energy providers.
-
D.
Southwestern Power Administration
Southwestern Power Administration is a U.S. federal agency that markets and transmits hydroelectric power generated at federally owned dams across the southwestern region.
-
E.
Oglethorpe Power Corporation
Oglethorpe Power Corporation is a Georgia-based electric cooperative that generates and supplies wholesale power to member-owned utilities, including through ownership stakes in nuclear facilities.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
electric power grid
ⓘ
regional transmission network ⓘ |
| connectedTo |
Mid-Atlantic United States electric grid
ⓘ
Midcontinent Independent System Operator region ⓘ
surface form:
Midwestern United States electric grid
|
| country |
United States of America
ⓘ
surface form:
United States
|
| hasCharacteristic |
growing natural gas generation capacity
ⓘ
high share of nuclear generation relative to national average ⓘ historically high share of coal generation ⓘ rapidly expanding solar capacity in several states ⓘ |
| hasMajorHydroSystem |
Tennessee Valley Authority
ⓘ
surface form:
Tennessee Valley Authority hydroelectric system
|
| hasMajorInterconnection |
Southeastern transmission ties to Midcontinent Independent System Operator
ⓘ
Southeastern transmission ties to PJM Interconnection ⓘ |
| hasMajorNuclearPlant |
Brown's Ferry Nuclear Plant
ⓘ
surface form:
Browns Ferry Nuclear Plant
Brunswick Nuclear Generating Station ⓘ Oconee Nuclear Station ⓘ Turkey Point Nuclear Generating Station ⓘ Vogtle Electric Generating Plant ⓘ |
| hasMajorUtility |
Dominion Energy
ⓘ
Duke Power Company ⓘ
surface form:
Duke Energy
NextEra Energy, Inc. ⓘ
surface form:
NextEra Energy
Southern Company ⓘ Tennessee Valley Authority ⓘ |
| hasPart |
Alabama electric grid
ⓘ
Arkansas electric grid ⓘ Southeastern United States electric grid self-linksurface differs ⓘ
surface form:
Florida electric grid
Georgia Power ⓘ
surface form:
Georgia electric grid
Louisiana electric grid ⓘ Mississippi electric grid ⓘ North Carolina electric grid ⓘ South Carolina electric grid ⓘ Tennessee electric grid ⓘ Virginia electric grid ⓘ |
| interconnectedWith | Eastern Interconnection ⓘ |
| operatedBy |
electric cooperatives
ⓘ
investor-owned utilities ⓘ public power utilities ⓘ |
| regionServed |
Southern United States
ⓘ
surface form:
Southeastern United States
|
| regulatedBy |
Federal Energy Regulatory Commission
ⓘ
state public utility commissions ⓘ |
| servesSector |
commercial customers
ⓘ
industrial customers ⓘ residential customers ⓘ |
| subjectTo |
heatwave-related peak demand stresses
ⓘ
hurricane-related reliability risks ⓘ |
| usesEnergySource |
biomass power
ⓘ
coal ⓘ hydropower ⓘ natural gas ⓘ nuclear power ⓘ renewable energy ⓘ solar power ⓘ |
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: Southeastern United States electric grid Description of subject: The Southeastern United States electric grid is the interconnected regional power network that delivers electricity across the southeastern states, integrating generation sources like nuclear, coal, natural gas, and renewables to serve homes, businesses, and industry.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Southeastern United States electric grid
→
hasPart
→
Southeastern United States electric grid
self-linksurface differs
ⓘ
this entity surface form:
Florida electric grid