PSEG Power
E47803
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| PSEG Nuclear LLC | 5 |
| PSEG Power canonical | 3 |
| PSE&G | 1 |
| PSEG | 1 |
| Public Service Electric and Gas Company | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T365533 — 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 Power Context triple: [Public Service Enterprise Group, businessDivision, PSEG Power]
-
A.
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.
-
B.
Southern Company
Southern Company is one of the largest U.S. energy providers, primarily supplying electricity and natural gas across the southeastern United States through its regulated utilities and related businesses.
-
C.
Public Service Enterprise Group
Public Service Enterprise Group is a major American energy company primarily engaged in the generation and distribution of electricity and natural gas, serving customers in the Mid-Atlantic region.
-
D.
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.
-
E.
New York City Department of Environmental Protection
The New York City Department of Environmental Protection is the municipal agency responsible for managing the city’s water supply, wastewater treatment, and environmental regulation to protect public health and natural resources.
- 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 Power Target entity description: 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.
-
A.
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.
-
B.
Southern Company
Southern Company is one of the largest U.S. energy providers, primarily supplying electricity and natural gas across the southeastern United States through its regulated utilities and related businesses.
-
C.
Public Service Enterprise Group
Public Service Enterprise Group is a major American energy company primarily engaged in the generation and distribution of electricity and natural gas, serving customers in the Mid-Atlantic region.
-
D.
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.
-
E.
New York City Department of Environmental Protection
The New York City Department of Environmental Protection is the municipal agency responsible for managing the city’s water supply, wastewater treatment, and environmental regulation to protect public health and natural resources.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
electric power company
ⓘ
subsidiary ⓘ |
| affiliate | PSE&G ⓘ |
| affiliateOfType | regulated utility affiliate ⓘ |
| businessModel | merchant power generation ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| focusesOn |
fleet optimization
ⓘ
power production ⓘ reliability of electric supply ⓘ |
| hasParentTicker | NYSE:PEG ⓘ |
| hasStrategicPriority |
cleaner energy transition
ⓘ
competitive generation portfolio management ⓘ grid reliability support ⓘ |
| headquartersLocation |
Newark, New Jersey, United States
ⓘ
surface form:
Newark, New Jersey
|
| implements |
emissions reduction initiatives
ⓘ
environmental compliance programs ⓘ |
| industry | electric power generation ⓘ |
| language | English ⓘ |
| marketType | wholesale electricity markets ⓘ |
| ownedBy | Public Service Enterprise Group shareholders ⓘ |
| owns |
fossil-fuel power plants
ⓘ
nuclear power plants ⓘ renewable energy facilities ⓘ |
| parentCompany | Public Service Enterprise Group ⓘ |
| partOf | Public Service Enterprise Group generation business ⓘ |
| portfolioIncludes |
coal-fired power plants
ⓘ
energy storage assets ⓘ natural gas-fired power plants ⓘ nuclear generating stations ⓘ solar power facilities ⓘ |
| regionServed |
Mid-Atlantic states
ⓘ
surface form:
Mid-Atlantic United States
Northeastern United States ⓘ |
| roleWithinGroup | power production subsidiary ⓘ |
| sector | energy ⓘ |
| service |
capacity marketing
ⓘ
electricity supply ⓘ energy trading ⓘ wholesale power generation ⓘ |
| state |
New Jersey, United States
ⓘ
surface form:
New Jersey
|
| subjectTo |
U.S. federal energy regulation
ⓘ
state utility regulation ⓘ |
| subsidiaryOf | Public Service Enterprise Group ⓘ |
| suppliesTo |
independent system operators
ⓘ
regional transmission organizations ⓘ |
| website | https://www.pseg.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 Power Description of subject: 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.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
PSE&G
subject surface form:
Public Service Enterprise Group
this entity surface form:
Public Service Electric and Gas Company
this entity surface form:
PSEG Nuclear LLC
this entity surface form:
PSEG Nuclear LLC
this entity surface form:
PSEG Nuclear LLC
subject surface form:
Public Service Enterprise Group Incorporated
this entity surface form:
PSEG