Roanoke Rapids Dam
E658986
Roanoke Rapids Dam is a hydroelectric dam on the Roanoke River in North Carolina that generates power and helps regulate river flow.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Roanoke Rapids Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6994933 — 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: Roanoke Rapids Dam Context triple: [Roanoke River, hasDam, Roanoke Rapids Dam]
-
A.
Falls Lake Dam
Falls Lake Dam is a major earthen dam in North Carolina that impounds the Neuse River to create Falls Lake for flood control, water supply, and recreation.
-
B.
Nolin River Dam
Nolin River Dam is a flood-control and recreation dam located on the Nolin River in central Kentucky, forming Nolin River Lake.
-
C.
South Holston Dam
South Holston Dam is a large Tennessee Valley Authority hydroelectric and flood-control dam on the South Fork Holston River in northeastern Tennessee.
-
D.
Hartwell Dam
Hartwell Dam is a large hydroelectric and flood-control dam on the Savannah River that creates Lake Hartwell along the Georgia–South Carolina border.
-
E.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
- 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: Roanoke Rapids Dam Target entity description: Roanoke Rapids Dam is a hydroelectric dam on the Roanoke River in North Carolina that generates power and helps regulate river flow.
-
A.
Falls Lake Dam
Falls Lake Dam is a major earthen dam in North Carolina that impounds the Neuse River to create Falls Lake for flood control, water supply, and recreation.
-
B.
Nolin River Dam
Nolin River Dam is a flood-control and recreation dam located on the Nolin River in central Kentucky, forming Nolin River Lake.
-
C.
South Holston Dam
South Holston Dam is a large Tennessee Valley Authority hydroelectric and flood-control dam on the South Fork Holston River in northeastern Tennessee.
-
D.
Hartwell Dam
Hartwell Dam is a large hydroelectric and flood-control dam on the Savannah River that creates Lake Hartwell along the Georgia–South Carolina border.
-
E.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| constructionStartDate | 1950s ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| downstreamFrom | Gaston Dam NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| FERCLicenseType | hydropower license ⓘ |
| gridConnection | regional electric grid in North Carolina ⓘ |
| hasFunction | load balancing for electric grid ⓘ |
| hasPowerPlant | Roanoke Rapids Hydroelectric Plant NERFINISHED ⓘ |
| hasReservoir | Roanoke Rapids Lake NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| hasTypeOfTurbine | Francis turbine NERFINISHED ⓘ |
| installedCapacity | approximately 104 MW ⓘ |
| isInfrastructureType | renewable energy facility ⓘ |
| isNamedAfter | Roanoke Rapids, North Carolina NERFINISHED ⓘ |
| isPartOf | Dominion Energy hydroelectric portfolio ⓘ |
| isPartOfSystemWith | Gaston Dam NERFINISHED ⓘ |
| isStructureOn | Roanoke River NERFINISHED ⓘ |
| locatedIn |
North Carolina
ⓘ
United States of America ⓘ
surface form:
United States
|
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedOnRiver | Roanoke River NERFINISHED ⓘ |
| nearestCity | Roanoke Rapids, North Carolina NERFINISHED ⓘ |
| numberOfTurbines | 4 ⓘ |
| openingDate | 1955 ⓘ |
| operator | Dominion Energy NERFINISHED ⓘ |
| owner | Dominion Energy NERFINISHED ⓘ |
| partOf | Roanoke River hydroelectric project NERFINISHED ⓘ |
| primaryFunction | peaking power generation ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ river flow regulation ⓘ |
| region | Halifax County, North Carolina NERFINISHED ⓘ |
| regulatesFlowOf | Roanoke River NERFINISHED ⓘ |
| reservoirName | Roanoke Rapids Lake NERFINISHED ⓘ |
| reservoirUse |
hydropower
ⓘ
recreation ⓘ |
| riverBasin | Roanoke River Basin NERFINISHED ⓘ |
| safetyRegulator | Federal Energy Regulatory Commission NERFINISHED ⓘ |
| secondaryFunction | flow regulation for downstream reaches ⓘ |
| state | North Carolina NERFINISHED ⓘ |
| supportsActivity |
boating on Roanoke Rapids Lake
ⓘ
fishing on Roanoke Rapids Lake ⓘ |
| upstreamFrom | Roanoke Rapids, North Carolina NERFINISHED ⓘ |
| watercourse | Roanoke River NERFINISHED ⓘ |
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: Roanoke Rapids Dam Description of subject: Roanoke Rapids Dam is a hydroelectric dam on the Roanoke River in North Carolina that generates power and helps regulate river flow.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.