Brayton Point Power Station
E595985
Brayton Point Power Station was a large coal-fired power plant in Somerset, Massachusetts, known as one of New England’s most significant and controversial fossil-fuel generating stations before its closure.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Brayton Point Power Station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6486483 — 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: Brayton Point Power Station Context triple: [Mount Hope Bay, receivesDischargeFrom, Brayton Point Power Station]
-
A.
Limestone Generating Station
Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
-
B.
Kelsey Generating Station
Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
-
C.
Salem Harbor Power Station
Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
-
D.
Alexander Generating Station
Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
-
E.
Kingston Fossil Plant
Kingston Fossil Plant is a large coal-fired power plant operated by the Tennessee Valley Authority, known for its significant electricity generation and for a major coal ash spill in 2008.
- 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: Brayton Point Power Station Target entity description: Brayton Point Power Station was a large coal-fired power plant in Somerset, Massachusetts, known as one of New England’s most significant and controversial fossil-fuel generating stations before its closure.
-
A.
Limestone Generating Station
Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
-
B.
Kelsey Generating Station
Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
-
C.
Salem Harbor Power Station
Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
-
D.
Alexander Generating Station
Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
-
E.
Kingston Fossil Plant
Kingston Fossil Plant is a large coal-fired power plant operated by the Tennessee Valley Authority, known for its significant electricity generation and for a major coal ash spill in 2008.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
coal-fired power station
ⓘ
fossil fuel power plant ⓘ |
| closedOn | 2017 ⓘ |
| closureAnnounced | 2013 ⓘ |
| coolingTowersConstructed | 2012 ⓘ |
| coolingTowersCost | approximately 500 million US dollars ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| demolished | yes ⓘ |
| demolitionOfCoolingTowers | April 2019 ⓘ |
| electricalCapacity |
approximately 1500 MW
ⓘ
over 1500 megawatts at peak ⓘ |
| emissionsType |
carbon dioxide
ⓘ
nitrogen oxides ⓘ particulate matter ⓘ sulfur dioxide ⓘ |
| fuelTransport |
coal delivered by barge
ⓘ
coal delivered by ship ⓘ |
| gridConnection | ISO New England NERFINISHED ⓘ |
| gridRole | baseload power supplier for New England ⓘ |
| hasCoolingSystem |
closed-cycle cooling towers
ⓘ
once-through cooling system ⓘ |
| locatedIn |
Bristol County, Massachusetts
NERFINISHED
ⓘ
Massachusetts ⓘ New England ⓘ Somerset, Massachusetts NERFINISHED ⓘ |
| locatedOnWaterbody | Mount Hope Bay NERFINISHED ⓘ |
| near |
Fall River, Massachusetts
NERFINISHED
ⓘ
Providence, Rhode Island NERFINISHED ⓘ |
| notableFor |
being the largest coal-fired power plant in New England
ⓘ
high greenhouse gas emissions ⓘ thermal pollution of Mount Hope Bay ⓘ |
| operatedBy |
Brayton Point LLC
NERFINISHED
ⓘ
Dominion Energy NERFINISHED ⓘ |
| ownedBy |
Dominion Energy
NERFINISHED
ⓘ
Energy Capital Partners NERFINISHED ⓘ |
| plannedReuse | offshore wind energy logistics hub ⓘ |
| primaryFuel | coal ⓘ |
| regulator |
Massachusetts Department of Environmental Protection
NERFINISHED
ⓘ
U.S. Environmental Protection Agency NERFINISHED ⓘ |
| regulatoryIssues |
air pollution regulations
ⓘ
water discharge regulations ⓘ |
| secondaryFuel |
natural gas
ⓘ
oil ⓘ |
| siteRedevelopment | Brayton Point Commerce Center NERFINISHED ⓘ |
| status | decommissioned ⓘ |
| subjectOf |
climate activism campaigns
ⓘ
environmental protests ⓘ legal and regulatory proceedings ⓘ |
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: Brayton Point Power Station Description of subject: Brayton Point Power Station was a large coal-fired power plant in Somerset, Massachusetts, known as one of New England’s most significant and controversial fossil-fuel generating stations before its closure.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.