Capitol Power Plant
E126180
The Capitol Power Plant is a historic facility in Washington, D.C. that provides heating and cooling to the U.S. Capitol complex.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Capitol Power Plant canonical | 4 |
| Central Heating Plant (Washington, D.C.) | 1 |
| Central Heating Plant, Washington, D.C. | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1091831 — 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: Capitol Power Plant Context triple: [Capitol South station, nearbyLandmark, Capitol Power Plant]
-
A.
Hyatt Powerplant
Hyatt Powerplant is a major hydroelectric generating facility in California that harnesses water from Lake Oroville as part of the State Water Project’s power and water delivery system.
-
B.
Jones Pumping Plant
Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
-
C.
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.
-
D.
Calvert Cliffs Nuclear Power Plant
Calvert Cliffs Nuclear Power Plant is a two-unit pressurized water nuclear power station on the western shore of the Chesapeake Bay that generates electricity for the Mid-Atlantic region.
-
E.
Hatch Nuclear Power Plant
Hatch Nuclear Power Plant is a commercial nuclear power generating facility in Georgia that supplies electricity to the regional grid as part of Southern Company's energy portfolio.
- 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: Capitol Power Plant Target entity description: The Capitol Power Plant is a historic facility in Washington, D.C. that provides heating and cooling to the U.S. Capitol complex.
-
A.
Hyatt Powerplant
Hyatt Powerplant is a major hydroelectric generating facility in California that harnesses water from Lake Oroville as part of the State Water Project’s power and water delivery system.
-
B.
Jones Pumping Plant
Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
-
C.
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.
-
D.
Calvert Cliffs Nuclear Power Plant
Calvert Cliffs Nuclear Power Plant is a two-unit pressurized water nuclear power station on the western shore of the Chesapeake Bay that generates electricity for the Mid-Atlantic region.
-
E.
Hatch Nuclear Power Plant
Hatch Nuclear Power Plant is a commercial nuclear power generating facility in Georgia that supplies electricity to the regional grid as part of Southern Company's energy portfolio.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
district heating plant
ⓘ
historic building ⓘ power plant ⓘ |
| architecturalStyle | industrial architecture ⓘ |
| category |
Energy infrastructure in Washington, D.C.
ⓘ
Industrial buildings and structures in Washington, D.C. ⓘ United States Capitol Complex ⓘ |
| commissioned | 1910 ⓘ |
| connectedBy | underground utility tunnels ⓘ |
| constructionStart | 1904 ⓘ |
| convertedFromCoal | 1960s ⓘ |
| country | United States of America ⓘ |
| environmentalIssue |
air pollution concerns
ⓘ
greenhouse gas emissions ⓘ |
| fuelType |
natural gas
ⓘ
oil ⓘ |
| governedBy | Architect of the Capitol ⓘ |
| hasBoilerPlant | yes ⓘ |
| hasChillerPlant | yes ⓘ |
| hasChimney | tall brick smokestacks ⓘ |
| hasFunction |
provide chilled water cooling
ⓘ
provide steam heating ⓘ |
| hasName | Capitol Power Plant ⓘ |
| inception | 1910 ⓘ |
| listedIn | National Register of Historic Places ⓘ |
| locatedIn |
Capitol Hill
ⓘ
Washington, D.C. ⓘ |
| locatedNear | Anacostia River ⓘ |
| modernizationGoal |
improve energy efficiency
ⓘ
reduce emissions ⓘ |
| NRHPType | historic district contributing property ⓘ |
| operatedBy | Architect of the Capitol ⓘ |
| originalFuelType | coal ⓘ |
| ownedBy |
Legislative Branch of the United States
ⓘ
linked to:
United States Congress
United States government ⓘ |
| partOf | United States Capitol Complex ⓘ |
| serves | federal legislative branch ⓘ |
| streetAddress | 25 E Street SE, Washington, D.C. ⓘ |
| subjectOf |
climate change activism
ⓘ
environmental protests ⓘ |
| supplies |
Capitol Visitor Center
ⓘ
House office buildings ⓘ Library of Congress buildings ⓘ
linked to:
Library of Congress complex
Senate office buildings ⓘ Supreme Court building ⓘ
linked to:
Supreme Court Building
United States Capitol ⓘ |
| underwent | modernization projects ⓘ |
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: Capitol Power Plant Description of subject: The Capitol Power Plant is a historic facility in Washington, D.C. that provides heating and cooling to the U.S. Capitol complex.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Capitol South Metro station
linked to: Capitol Power Plant
linked to: Capitol Power Plant