PSEG Long Island

E48396

electric utility company power grid operator regional utility

PSEG Long Island is a regional electric utility company that manages and operates the Long Island power grid and related customer services.

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All labels observed (3)

Label	Occurrences
PSEG Long Island canonical	3
Long Island Power Authority	1
PSEG LI	1

How this entity was disambiguated

This entity first appeared as the object of triple T365534 — 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: PSEG Long Island
Context triple: [Public Service Enterprise Group, businessDivision, PSEG Long Island]

A. PSEG Power
PSEG Power is a major U.S. energy generation company that operates as the power production subsidiary of Public Service Enterprise Group, supplying electricity through a portfolio of power plants.
B. Puerto Rico Electric Power Authority
The Puerto Rico Electric Power Authority is the public corporation responsible for generating, transmitting, and distributing electricity across Puerto Rico.
C. New York State Energy Research and Development Authority
The New York State Energy Research and Development Authority is a public agency that promotes energy efficiency, renewable energy, and emissions reduction through research, programs, and incentives across New York State.
D. Long Island Rail Road (controlling interest for many years)
The Long Island Rail Road is a major commuter rail system serving Long Island and connecting it to New York City, recognized as one of the busiest and oldest railroads in the United States.
E. Shawmut
Shawmut is a neighborhood rapid transit station on Boston's MBTA Red Line, located in the Dorchester 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: PSEG Long Island
Target entity description: PSEG Long Island is a regional electric utility company that manages and operates the Long Island power grid and related customer services.

A. PSEG Power
PSEG Power is a major U.S. energy generation company that operates as the power production subsidiary of Public Service Enterprise Group, supplying electricity through a portfolio of power plants.
B. Puerto Rico Electric Power Authority
The Puerto Rico Electric Power Authority is the public corporation responsible for generating, transmitting, and distributing electricity across Puerto Rico.
C. New York State Energy Research and Development Authority
The New York State Energy Research and Development Authority is a public agency that promotes energy efficiency, renewable energy, and emissions reduction through research, programs, and incentives across New York State.
D. Long Island Rail Road (controlling interest for many years)
The Long Island Rail Road is a major commuter rail system serving Long Island and connecting it to New York City, recognized as one of the busiest and oldest railroads in the United States.
E. Shawmut
Shawmut is a neighborhood rapid transit station on Boston's MBTA Red Line, located in the Dorchester area.
F. None of above. chosen

Statements (44)

Predicate	Object
instanceOf	electric utility company ⓘ power grid operator ⓘ regional utility ⓘ
abbreviation	PSEG LI ⓘ linked to: PSEG Long Island
country	United States ⓘ linked to: United States of America
energySourceType	purchased power from Long Island Power Authority portfolio ⓘ
focusesOn	customer satisfaction ⓘ energy efficiency ⓘ grid reliability ⓘ integration of distributed energy resources ⓘ outage restoration ⓘ storm preparedness ⓘ
hasResponsibility	customer call center operations ⓘ field service operations ⓘ implementation of LIPA-approved programs ⓘ maintenance of electric distribution lines ⓘ operation of substations ⓘ
headquartersLocation	Long Island, New York ⓘ linked to: Long Island
industry	electric power ⓘ energy ⓘ
manages	customer accounts for Long Island electric customers ⓘ day-to-day operations of Long Island electric grid ⓘ
operates	Long Island power grid ⓘ electric distribution system on Long Island ⓘ
operatesUnderContractWith	Long Island Power Authority ⓘ
parentCompany	Public Service Enterprise Group ⓘ
providesServiceTo	commercial electric customers ⓘ industrial electric customers ⓘ residential electric customers ⓘ
regulator	Long Island Power Authority ⓘ linked to: PSEG Long Island New York State Department of Public Service ⓘ
role	service provider for Long Island Power Authority ⓘ
servesRegion	Long Island, New York ⓘ linked to: Long Island Rockaway Peninsula, Queens, New York ⓘ linked to: Rockaway Peninsula
serviceType	billing and collections ⓘ customer service for electric customers ⓘ demand response programs ⓘ electricity distribution ⓘ energy efficiency programs ⓘ meter reading ⓘ outage management ⓘ renewable energy interconnection support ⓘ
state	New York ⓘ
website	https://www.psegliny.com ⓘ

How these facts were elicited

Referenced by (5)

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

Public Service Enterprise Group → businessDivision → PSEG Long Island ⓘ

Public Service Enterprise Group → hasSubsidiary → PSEG Long Island ⓘ

Public Service Enterprise Group → hasBrand → PSEG Long Island ⓘ

PSEG Long Island → abbreviation → PSEG LI ⓘ

linked to: PSEG Long Island

PSEG Long Island → regulator → Long Island Power Authority ⓘ