Ameren Missouri
E577634
Ameren Missouri is a major electric and natural gas utility company serving much of Missouri and operating significant energy and infrastructure assets in the state.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ameren Missouri canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6239171 — 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 Missouri Context triple: [Lake of the Ozarks, operator, Ameren Missouri]
-
A.
Northwest Missouri
Northwest Missouri is a region of the U.S. state of Missouri encompassing its northwestern counties, including the city of St. Joseph, and is characterized by its agricultural landscape and small to mid-sized communities.
-
B.
Bachelor, Missouri
Bachelor, Missouri is a small unincorporated rural community located in Callaway County in the U.S. state of Missouri.
-
C.
New Madrid, Missouri
New Madrid, Missouri is a small historic city in the southeastern corner of the state, best known for its proximity to the New Madrid Seismic Zone, the site of some of the most powerful earthquakes in U.S. history.
-
D.
Lebanon, Missouri
Lebanon, Missouri is a small city in Laclede County known as a regional hub along historic Route 66 in central Missouri.
-
E.
Emma, Missouri
Emma, Missouri is a small rural city located in western Missouri within the Kansas City metropolitan area.
- 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 Missouri Target entity description: Ameren Missouri is a major electric and natural gas utility company serving much of Missouri and operating significant energy and infrastructure assets in the state.
-
A.
Northwest Missouri
Northwest Missouri is a region of the U.S. state of Missouri encompassing its northwestern counties, including the city of St. Joseph, and is characterized by its agricultural landscape and small to mid-sized communities.
-
B.
Bachelor, Missouri
Bachelor, Missouri is a small unincorporated rural community located in Callaway County in the U.S. state of Missouri.
-
C.
New Madrid, Missouri
New Madrid, Missouri is a small historic city in the southeastern corner of the state, best known for its proximity to the New Madrid Seismic Zone, the site of some of the most powerful earthquakes in U.S. history.
-
D.
Lebanon, Missouri
Lebanon, Missouri is a small city in Laclede County known as a regional hub along historic Route 66 in central Missouri.
-
E.
Emma, Missouri
Emma, Missouri is a small rural city located in western Missouri within the Kansas City metropolitan area.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
electric utility company
ⓘ
natural gas utility company ⓘ subsidiary ⓘ |
| alternativeName | Union Electric Company NERFINISHED ⓘ |
| brandOf | Ameren NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| focusArea |
electric reliability in Missouri
ⓘ
natural gas system safety in Missouri ⓘ |
| fuelTypeUsed |
coal
ⓘ
natural gas ⓘ renewable energy sources ⓘ |
| gridConnection | Midcontinent Independent System Operator region NERFINISHED ⓘ |
| gridRole | major electric utility in Missouri ⓘ |
| headquartersLocation | Missouri NERFINISHED ⓘ |
| industry |
electric power industry
ⓘ
natural gas distribution ⓘ |
| infrastructureType |
distribution lines
ⓘ
natural gas mains ⓘ service laterals ⓘ substations ⓘ transmission lines ⓘ |
| marketRole | regulated utility ⓘ |
| operates |
natural gas infrastructure in Missouri
ⓘ
power plants in Missouri ⓘ |
| owns |
electric distribution lines in Missouri
ⓘ
electric transmission lines in Missouri ⓘ natural gas distribution pipelines in Missouri ⓘ renewable energy assets in Missouri ⓘ |
| parentCompany | Ameren Corporation NERFINISHED ⓘ |
| parentCompanyExchange | New York Stock Exchange NERFINISHED ⓘ |
| parentCompanyTicker | AEE NERFINISHED ⓘ |
| providesServiceTo |
commercial customers in Missouri
ⓘ
industrial customers in Missouri ⓘ residential customers in Missouri ⓘ |
| region | Midwestern United States ⓘ |
| regulator | Missouri Public Service Commission NERFINISHED ⓘ |
| regulatoryStatus | investor-owned utility ⓘ |
| serviceArea |
central Missouri
NERFINISHED
ⓘ
eastern Missouri NERFINISHED ⓘ parts of northern Missouri ⓘ parts of southern Missouri ⓘ |
| serviceType |
electricity distribution
ⓘ
electricity generation ⓘ electricity transmission ⓘ natural gas distribution ⓘ |
| stateServed | Missouri NERFINISHED ⓘ |
| subjectTo |
federal energy regulation in the United States
ⓘ
state utility regulation in Missouri ⓘ |
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: Ameren Missouri Description of subject: Ameren Missouri is a major electric and natural gas utility company serving much of Missouri and operating significant energy and infrastructure assets in the state.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.