Ameren Corporation
E1591961
UNEXPLORED
Ameren Corporation is a major U.S. public utility holding company that provides electric and natural gas services to customers primarily in Missouri and Illinois.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ameren | 1 |
| Ameren Corporation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T23537320 — 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: Ameren Corporation Context triple: [Ameren Missouri, parentCompany, Ameren Corporation]
-
A.
Exelon
Exelon is a brand-name prescription medication containing rivastigmine, used to treat symptoms of mild to moderate dementia associated with Alzheimer's and Parkinson's disease.
-
B.
Exelon
Exelon is a major American energy company and utility services holding corporation, known for operating one of the largest fleets of nuclear power plants in the United States.
-
C.
DTE Energy
DTE Energy is a Detroit-based diversified energy company that provides electric and natural gas utility services to customers in Michigan and operates various energy-related businesses across the United States.
-
D.
Duquesne Light Company
Duquesne Light Company is a Pennsylvania-based electric utility that has played a significant role in the region’s power generation history, including involvement with pioneering nuclear facilities.
-
E.
Consumers Energy
Consumers Energy is a large public utility company based in Michigan that provides electricity and natural gas to millions of customers across the state.
- 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: Ameren Corporation Target entity description: Ameren Corporation is a major U.S. public utility holding company that provides electric and natural gas services to customers primarily in Missouri and Illinois.
-
A.
Exelon
Exelon is a brand-name prescription medication containing rivastigmine, used to treat symptoms of mild to moderate dementia associated with Alzheimer's and Parkinson's disease.
-
B.
Exelon
Exelon is a major American energy company and utility services holding corporation, known for operating one of the largest fleets of nuclear power plants in the United States.
-
C.
DTE Energy
DTE Energy is a Detroit-based diversified energy company that provides electric and natural gas utility services to customers in Michigan and operates various energy-related businesses across the United States.
-
D.
Duquesne Light Company
Duquesne Light Company is a Pennsylvania-based electric utility that has played a significant role in the region’s power generation history, including involvement with pioneering nuclear facilities.
-
E.
Consumers Energy
Consumers Energy is a large public utility company based in Michigan that provides electricity and natural gas to millions of customers across the state.
- F. None of above. chosen
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ameren Corporation