PSEG Long Island
E48396
PSEG Long Island is a regional electric utility company that manages and operates the Long Island power grid and related customer services.
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 Long Island
self-linksurface differs
ⓘ
surface form:
PSEG LI
|
| country |
United States of America
ⓘ
surface form:
United States
|
| 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
ⓘ
surface form:
Long Island, New York
|
| 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 |
PSEG Long Island
self-linksurface differs
ⓘ
surface form:
Long Island Power Authority
New York State Department of Public Service ⓘ |
| role | service provider for Long Island Power Authority ⓘ |
| servesRegion |
Long Island
ⓘ
surface form:
Long Island, New York
Rockaway Peninsula ⓘ
surface form:
Rockaway Peninsula, Queens, New York
|
| 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
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: PSEG Long Island Description of subject: PSEG Long Island is a regional electric utility company that manages and operates the Long Island power grid and related customer services.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
PSEG LI
this entity surface form:
Long Island Power Authority