Potomac Electric Power Company

E1585021 UNEXPLORED

Potomac Electric Power Company (Pepco) is a regulated electric utility serving customers in Washington, D.C., and surrounding areas in Maryland.

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All labels observed (4)

Label	Occurrences
Pepco	3
Potomac Electric Power Company canonical	3
Pepco / Pepco Holdings	1
Potomac Electric Power Company (as predecessor utility)	1

How this entity was disambiguated

This entity first appeared as the object of triple T23436783 — 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: Potomac Electric Power Company
Context triple: [Pepco Benning Road power plant site, formerOwner, Potomac Electric Power Company]

A. Virginia Electric and Power Company
Virginia Electric and Power Company is a major regulated electric utility serving Virginia and parts of North Carolina, known for generating and distributing power through a network of plants, dams, and transmission infrastructure.
B. Pennsylvania Power & Light
Pennsylvania Power & Light is a regional electric utility company based in Pennsylvania, known for generating and distributing power and for developing large infrastructure projects in the state.
C. 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.
D. Delmarva Power
Delmarva Power is a regulated electric and natural gas utility serving customers in parts of Delaware and Maryland in the United States.
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: Potomac Electric Power Company
Target entity description: Potomac Electric Power Company (Pepco) is a regulated electric utility serving customers in Washington, D.C., and surrounding areas in Maryland.

A. Virginia Electric and Power Company
Virginia Electric and Power Company is a major regulated electric utility serving Virginia and parts of North Carolina, known for generating and distributing power through a network of plants, dams, and transmission infrastructure.
B. Pennsylvania Power & Light
Pennsylvania Power & Light is a regional electric utility company based in Pennsylvania, known for generating and distributing power and for developing large infrastructure projects in the state.
C. 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.
D. Delmarva Power
Delmarva Power is a regulated electric and natural gas utility serving customers in parts of Delaware and Maryland in the United States.
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

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Pepco Benning Road power plant site → formerOwner → Potomac Electric Power Company ⓘ

Pepco Benning Road power plant site → formerOperator → Potomac Electric Power Company ⓘ

Pepco Benning Road power plant site → hasStakeholder → Pepco / Pepco Holdings ⓘ