Palo Seco Power Plant
E287692
Palo Seco Power Plant is a major thermoelectric generating station in Puerto Rico that supplies electricity to the San Juan metropolitan area and surrounding regions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Palo Seco Power Plant canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2674950 — 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: Palo Seco Power Plant Context triple: [Toa Baja, hasNotableFacility, Palo Seco Power Plant]
-
A.
Devil Canyon Powerplant
Devil Canyon Powerplant is a hydroelectric generating facility in Southern California that produces power as part of the State Water Project’s water conveyance and energy system.
-
B.
Casa Diablo power plants
Casa Diablo power plants are a group of geothermal power facilities near Mammoth Lakes, California, that generate electricity by tapping the volcanic heat of the Long Valley Caldera.
-
C.
Comanche Peak Nuclear Power Plant
Comanche Peak Nuclear Power Plant is a commercial nuclear power generating facility in North Texas that supplies electricity to the region and is one of the state’s major nuclear power stations.
-
D.
Humboldt Bay Power Plant
Humboldt Bay Power Plant is a decommissioned power-generating facility in Northern California that formerly included both nuclear and fossil-fuel units serving the surrounding region’s electricity needs.
-
E.
Glenwood Power Station
Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
- 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: Palo Seco Power Plant Target entity description: Palo Seco Power Plant is a major thermoelectric generating station in Puerto Rico that supplies electricity to the San Juan metropolitan area and surrounding regions.
-
A.
Devil Canyon Powerplant
Devil Canyon Powerplant is a hydroelectric generating facility in Southern California that produces power as part of the State Water Project’s water conveyance and energy system.
-
B.
Casa Diablo power plants
Casa Diablo power plants are a group of geothermal power facilities near Mammoth Lakes, California, that generate electricity by tapping the volcanic heat of the Long Valley Caldera.
-
C.
Comanche Peak Nuclear Power Plant
Comanche Peak Nuclear Power Plant is a commercial nuclear power generating facility in North Texas that supplies electricity to the region and is one of the state’s major nuclear power stations.
-
D.
Humboldt Bay Power Plant
Humboldt Bay Power Plant is a decommissioned power-generating facility in Northern California that formerly included both nuclear and fossil-fuel units serving the surrounding region’s electricity needs.
-
E.
Glenwood Power Station
Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
fossil fuel power station
ⓘ
thermoelectric power plant ⓘ |
| abbreviation |
PREPA
ⓘ
linked to:
Puerto Rico Electric Power Authority
|
| connectedTo | Puerto Rico electric grid ⓘ |
| country | Puerto Rico ⓘ |
| generationType | thermal ⓘ |
| gridRole | major generating station in Puerto Rico ⓘ |
| gridStabilityRole | supports voltage and frequency in San Juan area ⓘ |
| hasCoolingSource | coastal water ⓘ |
| hasFunction | electricity generation ⓘ |
| hasInfrastructureType | thermal generating units ⓘ |
| hasRisk |
exposure to coastal flooding
ⓘ
vulnerability to hurricanes ⓘ |
| industry | energy ⓘ |
| isPartOf | Puerto Rico power system ⓘ |
| locatedIn | Cataño, Puerto Rico ⓘ |
| locatedNear |
San Juan Bay
ⓘ
San Juan, Puerto Rico ⓘ |
| locatedOn | northern coast of Puerto Rico ⓘ |
| operatedBy | Puerto Rico Electric Power Authority ⓘ |
| ownedBy | Puerto Rico Electric Power Authority ⓘ |
| primaryFuel | fuel oil ⓘ |
| regionServed |
San Juan metropolitan area load center
ⓘ
northern Puerto Rico ⓘ |
| regulatoryJurisdiction | Puerto Rico energy regulators ⓘ |
| secondaryFuel | natural gas ⓘ |
| sector | electric power sector ⓘ |
| strategicImportance | critical infrastructure for Puerto Rico’s electricity supply ⓘ |
| suppliesElectricityTo |
San Juan metropolitan area
ⓘ
linked to:
San Juan–Caguas–Guaynabo metropolitan area
surrounding regions of northern Puerto Rico ⓘ |
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: Palo Seco Power Plant Description of subject: Palo Seco Power Plant is a major thermoelectric generating station in Puerto Rico that supplies electricity to the San Juan metropolitan area and surrounding regions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.