Folsom Powerhouse State Historic Park
E604663
Folsom Powerhouse State Historic Park is a California state park preserving one of the earliest AC hydroelectric power stations in the United States, which once supplied electricity to Sacramento.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Folsom Powerhouse State Historic Park canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6553109 — 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: Folsom Powerhouse State Historic Park Context triple: [Folsom, hasLandmark, Folsom Powerhouse State Historic Park]
-
A.
Shasta State Historic Park
Shasta State Historic Park is a preserved Gold Rush–era town site in Northern California featuring historic building ruins, a museum, and restored structures that interpret 19th-century frontier life.
-
B.
Benicia Capitol State Historic Park
Benicia Capitol State Historic Park is a California state park preserving the former state capitol building and related historic structures in the city of Benicia.
-
C.
Fort Townsend Historical State Park
Fort Townsend Historical State Park is a Washington state park preserving the site and remnants of a 19th-century U.S. Army fort on the Quimper Peninsula, offering forested trails, historic features, and scenic views of Puget Sound.
-
D.
Fort Casey State Park
Fort Casey State Park is a historic coastal defense site and popular recreation area on Whidbey Island in Washington, featuring preserved gun batteries, a lighthouse, and scenic views of Admiralty Inlet.
-
E.
Sonoma State Historic Park
Sonoma State Historic Park is a California state park in the town of Sonoma that preserves significant sites from the Mexican and early American periods, including the Sonoma Plaza and historic adobe buildings.
- 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: Folsom Powerhouse State Historic Park Target entity description: Folsom Powerhouse State Historic Park is a California state park preserving one of the earliest AC hydroelectric power stations in the United States, which once supplied electricity to Sacramento.
-
A.
Shasta State Historic Park
Shasta State Historic Park is a preserved Gold Rush–era town site in Northern California featuring historic building ruins, a museum, and restored structures that interpret 19th-century frontier life.
-
B.
Benicia Capitol State Historic Park
Benicia Capitol State Historic Park is a California state park preserving the former state capitol building and related historic structures in the city of Benicia.
-
C.
Fort Townsend Historical State Park
Fort Townsend Historical State Park is a Washington state park preserving the site and remnants of a 19th-century U.S. Army fort on the Quimper Peninsula, offering forested trails, historic features, and scenic views of Puget Sound.
-
D.
Fort Casey State Park
Fort Casey State Park is a historic coastal defense site and popular recreation area on Whidbey Island in Washington, featuring preserved gun batteries, a lighthouse, and scenic views of Admiralty Inlet.
-
E.
Sonoma State Historic Park
Sonoma State Historic Park is a California state park in the town of Sonoma that preserves significant sites from the Mexican and early American periods, including the Sonoma Plaza and historic adobe buildings.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
California state park
ⓘ
historic site ⓘ |
| category |
Energy infrastructure on the National Register of Historic Places
ⓘ
Historic districts on the National Register of Historic Places in California ⓘ Hydroelectric power plants in California ⓘ Museums in Sacramento County, California ⓘ Protected areas of Sacramento County, California ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasFacility |
control room
ⓘ
generator room ⓘ historic powerhouse building ⓘ museum exhibits ⓘ visitor center ⓘ |
| hasFeature |
original generators
ⓘ
switchgear ⓘ transformers ⓘ transmission equipment ⓘ |
| hasHeritageDesignation |
California Historical Landmark
NERFINISHED
ⓘ
National Historic Landmark NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Folsom, California NERFINISHED ⓘ Sacramento County, California NERFINISHED ⓘ |
| locatedOn | American River NERFINISHED ⓘ |
| maintainedBy | California Department of Parks and Recreation NERFINISHED ⓘ |
| near |
Folsom Dam
NERFINISHED
ⓘ
Old Town Folsom NERFINISHED ⓘ |
| notableFor |
early long-distance transmission of alternating current electricity
ⓘ
supplying electricity to Sacramento ⓘ |
| offers |
educational programs
ⓘ
guided tours ⓘ |
| openToPublic | true ⓘ |
| operatedBy | California Department of Parks and Recreation NERFINISHED ⓘ |
| partOf | California State Parks system NERFINISHED ⓘ |
| powerhouseEnergySource | hydroelectric ⓘ |
| powerhouseFunction |
generated electricity for Sacramento
ⓘ
transmitted power over long-distance power lines ⓘ |
| powerhouseOriginallyOperatedBy | Folsom Water Power Company NERFINISHED ⓘ |
| powerhouseTechnology | alternating current ⓘ |
| preserves | one of the earliest AC hydroelectric power stations in the United States ⓘ |
| protects |
Folsom Powerhouse
NERFINISHED
ⓘ
historic hydroelectric power station ⓘ |
| theme |
development of hydroelectric power
ⓘ
history of electricity ⓘ industrial heritage ⓘ |
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: Folsom Powerhouse State Historic Park Description of subject: Folsom Powerhouse State Historic Park is a California state park preserving one of the earliest AC hydroelectric power stations in the United States, which once supplied electricity to Sacramento.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.