Michigan City Generating Station
E415843
The Michigan City Generating Station is a major power plant located on the Lake Michigan shoreline in Michigan City, Indiana, known for its prominent smokestack and role in regional electricity production.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Michigan City Generating Station canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4120895 — 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: Michigan City Generating Station Context triple: [Michigan City, Indiana, hasLandmark, Michigan City Generating Station]
-
A.
Alexander Generating Station
Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
-
B.
Enrico Fermi Nuclear Generating Station
The Enrico Fermi Nuclear Generating Station is a nuclear power plant complex located on the shore of Lake Erie in Michigan, known for housing multiple reactor units including the Fermi 2 boiling water reactor.
-
C.
Salem Harbor Power Station
Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
-
D.
Gianelli Pumping–Generating Plant
The Gianelli Pumping–Generating Plant is a major hydroelectric and pumping facility in California that moves water for irrigation and storage while generating electricity as part of the state’s Central Valley Project.
-
E.
Pickering Nuclear Generating Station
Pickering Nuclear Generating Station is a large Canadian nuclear power plant on the shore of Lake Ontario that has been a major source of electricity for the Greater Toronto 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: Michigan City Generating Station Target entity description: The Michigan City Generating Station is a major power plant located on the Lake Michigan shoreline in Michigan City, Indiana, known for its prominent smokestack and role in regional electricity production.
-
A.
Alexander Generating Station
Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
-
B.
Enrico Fermi Nuclear Generating Station
The Enrico Fermi Nuclear Generating Station is a nuclear power plant complex located on the shore of Lake Erie in Michigan, known for housing multiple reactor units including the Fermi 2 boiling water reactor.
-
C.
Salem Harbor Power Station
Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
-
D.
Gianelli Pumping–Generating Plant
The Gianelli Pumping–Generating Plant is a major hydroelectric and pumping facility in California that moves water for irrigation and storage while generating electricity as part of the state’s Central Valley Project.
-
E.
Pickering Nuclear Generating Station
Pickering Nuclear Generating Station is a large Canadian nuclear power plant on the shore of Lake Ontario that has been a major source of electricity for the Greater Toronto Area.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
coal-fired power plant
ⓘ
electric power station ⓘ |
| abbreviation | Michigan City Generating Station self-link ⓘ |
| connectsToGridIn | Indiana ⓘ |
| country | United States of America ⓘ |
| gridInterconnection |
Midcontinent Independent System Operator region
ⓘ
surface form:
Midcontinent Independent System Operator
|
| gridRole |
baseload power plant
ⓘ
regional generating station ⓘ |
| hasAddressLocality | Michigan City NERFINISHED ⓘ |
| hasChimneyType | reinforced concrete smokestack ⓘ |
| hasConnectionType | high-voltage transmission lines ⓘ |
| hasCoolingSource | Lake Michigan ⓘ |
| hasEnvironmentalImpact |
air emissions
ⓘ
water use from Lake Michigan ⓘ |
| hasInfrastructureType | thermal power station ⓘ |
| hasNotableFeature | single tall stack dominating local skyline ⓘ |
| hasStructure | tall smokestack ⓘ |
| industry | electric power generation ⓘ |
| locatedIn |
LaPorte County, Indiana
NERFINISHED
ⓘ
Michigan City, Indiana NERFINISHED ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| locatedNear |
Indiana Dunes National Lakeshore
ⓘ
surface form:
Indiana Dunes National Park
Michigan City Harbor ⓘ |
| locatedOn | shore of Lake Michigan ⓘ |
| nearbyWaterBody | Lake Michigan ⓘ |
| notableFor |
prominent smokestack visible from Lake Michigan
ⓘ
regional electricity production ⓘ |
| ownedBy |
Northern Indiana Public Service Company
ⓘ
surface form:
NIPSCO
Northern Indiana Public Service Company ⓘ |
| parentOrganization | NiSource ⓘ |
| partOf | NIPSCO generating fleet ⓘ |
| primaryFuel | coal ⓘ |
| regulatedBy |
Indiana Department of Environmental Management
ⓘ
Indiana Utility Regulatory Commission ⓘ United States Environmental Protection Agency ⓘ
surface form:
U.S. Environmental Protection Agency
|
| servesRegion |
Midcontinent Independent System Operator region
ⓘ
surface form:
Midwest power grid
northern Indiana ⓘ |
| state | Indiana ⓘ |
| subjectOf |
local environmental debates
ⓘ
regional energy policy discussions ⓘ |
| usesFuel | natural gas ⓘ |
| visibleFrom |
Great Lakes waterway
ⓘ
surface form:
Lake Michigan shipping lanes
Michigan City, Indiana ⓘ
surface form:
Michigan City lakefront
|
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: Michigan City Generating Station Description of subject: The Michigan City Generating Station is a major power plant located on the Lake Michigan shoreline in Michigan City, Indiana, known for its prominent smokestack and role in regional electricity production.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.