Delmarva Power
E648600
Delmarva Power is a regulated electric and natural gas utility serving customers in parts of Delaware and Maryland in the United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Delmarva Power canonical | 4 |
| Delmarva Power & Light Company | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7169872 — 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: Delmarva Power Context triple: [Exelon, hasSubsidiary, Delmarva Power]
-
A.
Constellation Energy
Constellation Energy is a U.S.-based energy company that generates and supplies electricity, with a significant focus on nuclear power and other low-carbon energy sources.
-
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.
PSE&G
PSE&G (Public Service Electric and Gas Company) is a major regulated utility in New Jersey that provides electric and natural gas service to millions of customers.
-
D.
Southern Electric
Southern Electric was a former regional electricity company in the United Kingdom that later became part of SSE plc through a merger.
-
E.
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.
- 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: Delmarva Power Target entity description: Delmarva Power is a regulated electric and natural gas utility serving customers in parts of Delaware and Maryland in the United States.
-
A.
Constellation Energy
Constellation Energy is a U.S.-based energy company that generates and supplies electricity, with a significant focus on nuclear power and other low-carbon energy sources.
-
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.
PSE&G
PSE&G (Public Service Electric and Gas Company) is a major regulated utility in New Jersey that provides electric and natural gas service to millions of customers.
-
D.
Southern Electric
Southern Electric was a former regional electricity company in the United Kingdom that later became part of SSE plc through a merger.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
electric utility company
ⓘ
natural gas utility company ⓘ regulated utility ⓘ |
| abbreviation | DPL ⓘ |
| acquiredBy |
Exelon Corporation
ⓘ
linked to:
Exelon
|
| acquisitionDate | 2016 ⓘ |
| brandOf |
Exelon Utilities
ⓘ
linked to:
Exelon
|
| compliesWith |
federal safety regulations
ⓘ
state reliability standards ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| followsStandard | North American Electric Reliability Corporation standards ⓘ |
| formerName |
Delmarva Power & Light Company
ⓘ
linked to:
Delmarva Power
|
| formerParentCompany | Pepco Holdings ⓘ |
| gridFunction | local distribution network operation ⓘ |
| gridRole | distribution utility ⓘ |
| hasCustomerPrograms |
bill assistance programs
ⓘ
demand response programs ⓘ energy efficiency programs ⓘ |
| hasWebsite | https://www.delmarva.com ⓘ |
| headquartersLocation | Newark, Delaware ⓘ |
| industry |
electric power industry
ⓘ
natural gas distribution ⓘ |
| operatesIn | Delmarva Peninsula ⓘ |
| operatesUnderBrand | Delmarva Power ⓘ |
| parentCompany |
Exelon Corporation
ⓘ
linked to:
Exelon
|
| parentCompanyHeadquarters |
Chicago, Illinois
ⓘ
linked to:
Chicago
|
| partOf |
Mid-Atlantic electric grid
ⓘ
linked to:
Mid-Atlantic United States electric grid
|
| providesInfrastructure |
electric distribution lines
ⓘ
natural gas pipelines ⓘ |
| providesServiceTo |
commercial customers
ⓘ
industrial customers ⓘ residential customers ⓘ |
| regulator |
Delaware Public Service Commission
ⓘ
Maryland Public Service Commission ⓘ
linked to:
Public Service Commission of Maryland
|
| regulatoryStatus | investor-owned utility ⓘ |
| servesRegion |
Delaware
ⓘ
Maryland ⓘ |
| serviceTerritoryIncludes |
parts of Kent County, Delaware
ⓘ
parts of New Castle County, Delaware ⓘ parts of Sussex County, Delaware ⓘ parts of the Eastern Shore of Maryland ⓘ |
| serviceType |
electricity distribution
ⓘ
natural gas distribution ⓘ |
| subjectTo |
federal energy regulation
ⓘ
state utility regulation ⓘ |
| usesEnergySource | purchased wholesale electricity ⓘ |
| utilityType | distribution-only utility ⓘ |
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: Delmarva Power Description of subject: Delmarva Power is a regulated electric and natural gas utility serving customers in parts of Delaware and Maryland in the United States.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.