Southern Power
E90217
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Southern Power canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T704224 — 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: Southern Power Context triple: [Southern Company, subsidiary, Southern Power]
-
A.
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.
-
B.
Southern Company
Southern Company is one of the largest U.S. energy providers, primarily supplying electricity and natural gas across the southeastern United States through its regulated utilities and related businesses.
-
C.
Puerto Rico Electric Power Authority
The Puerto Rico Electric Power Authority is the public corporation responsible for generating, transmitting, and distributing electricity across Puerto Rico.
-
D.
PSEG Power
PSEG Power is a major U.S. energy generation company that operates as the power production subsidiary of Public Service Enterprise Group, supplying electricity through a portfolio of power plants.
-
E.
Berkshire Hathaway Energy
Berkshire Hathaway Energy is a major U.S.-based energy company focused on regulated utilities and renewable power generation, operating as a key subsidiary of Warren Buffett’s Berkshire Hathaway conglomerate.
- 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: Southern Power Target entity description: 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.
-
A.
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.
-
B.
Southern Company
Southern Company is one of the largest U.S. energy providers, primarily supplying electricity and natural gas across the southeastern United States through its regulated utilities and related businesses.
-
C.
Puerto Rico Electric Power Authority
The Puerto Rico Electric Power Authority is the public corporation responsible for generating, transmitting, and distributing electricity across Puerto Rico.
-
D.
PSEG Power
PSEG Power is a major U.S. energy generation company that operates as the power production subsidiary of Public Service Enterprise Group, supplying electricity through a portfolio of power plants.
-
E.
Berkshire Hathaway Energy
Berkshire Hathaway Energy is a major U.S.-based energy company focused on regulated utilities and renewable power generation, operating as a key subsidiary of Warren Buffett’s Berkshire Hathaway conglomerate.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | wholesale energy company ⓘ |
| activity |
develops power generation assets
ⓘ
operates power generation assets ⓘ owns power generation assets ⓘ |
| businessModel | wholesale power ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| customerType |
cooperatives
ⓘ
large industrial customers ⓘ municipalities ⓘ utilities ⓘ |
| emphasis |
grid‑connected utility‑scale projects
ⓘ
low‑carbon generation ⓘ |
| energySource |
biomass
ⓘ
natural gas ⓘ solar power ⓘ wind power ⓘ |
| focus |
clean energy
ⓘ
renewable energy ⓘ |
| industry |
electric power generation
ⓘ
energy ⓘ |
| market | wholesale electricity market ⓘ |
| parentCompany | Southern Company ⓘ |
| parentCompanyIndustry | electric and gas utility holding company ⓘ |
| portfolioType | diversified generation portfolio ⓘ |
| powerSalesStructure |
bilateral contracts
ⓘ
long‑term power purchase agreements ⓘ |
| product | electricity ⓘ |
| regionServed |
United States of America
ⓘ
surface form:
United States
|
| segment | non‑regulated generation ⓘ |
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: Southern Power Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
The Southern Company