Pougny–Chancy hydroelectric dam
E924509
The Pougny–Chancy hydroelectric dam is a power-generating dam on the Rhône River at the France–Switzerland border, supplying renewable electricity to the surrounding region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pougny–Chancy hydroelectric dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11421283 — 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: Pougny–Chancy hydroelectric dam Context triple: [Pougny, hasStructure, Pougny–Chancy hydroelectric dam]
-
A.
Serre-Ponçon Dam
Serre-Ponçon Dam is a large hydroelectric and irrigation dam in southeastern France that creates one of Western Europe’s biggest artificial lakes.
-
B.
Durance-Verdon hydroelectric system
The Durance-Verdon hydroelectric system is a major French network of dams, reservoirs, and power plants along the Durance and Verdon rivers that provides significant hydroelectric power, irrigation, and water regulation in southeastern France.
-
C.
Dam of Châtelot
The Dam of Châtelot is a major hydroelectric dam on the Franco-Swiss border that harnesses the Doubs River to generate renewable electricity.
-
D.
Vouglans Dam
Vouglans Dam is a large hydroelectric dam on the Ain River in eastern France, known for forming one of the country’s biggest artificial lakes and generating renewable energy.
-
E.
Grandval Dam
Grandval Dam is a large hydroelectric dam in southern France, known for impounding the Truyère River to form the Lac de Grandval reservoir.
- 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: Pougny–Chancy hydroelectric dam Target entity description: The Pougny–Chancy hydroelectric dam is a power-generating dam on the Rhône River at the France–Switzerland border, supplying renewable electricity to the surrounding region.
-
A.
Serre-Ponçon Dam
Serre-Ponçon Dam is a large hydroelectric and irrigation dam in southeastern France that creates one of Western Europe’s biggest artificial lakes.
-
B.
Durance-Verdon hydroelectric system
The Durance-Verdon hydroelectric system is a major French network of dams, reservoirs, and power plants along the Durance and Verdon rivers that provides significant hydroelectric power, irrigation, and water regulation in southeastern France.
-
C.
Dam of Châtelot
The Dam of Châtelot is a major hydroelectric dam on the Franco-Swiss border that harnesses the Doubs River to generate renewable electricity.
-
D.
Vouglans Dam
Vouglans Dam is a large hydroelectric dam on the Ain River in eastern France, known for forming one of the country’s biggest artificial lakes and generating renewable energy.
-
E.
Grandval Dam
Grandval Dam is a large hydroelectric dam in southern France, known for impounding the Truyère River to form the Lac de Grandval reservoir.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric dam
ⓘ
run-of-the-river power plant ⓘ |
| basinCountry |
France
ⓘ
Switzerland ⓘ |
| borderInfrastructureBetween |
France
NERFINISHED
ⓘ
Switzerland NERFINISHED ⓘ |
| category |
Dams on the Rhône River
ONNER
ⓘ
France–Switzerland border crossings NERFINISHED ⓘ Hydroelectric power stations in France ⓘ Hydroelectric power stations in Switzerland ⓘ |
| countryOnLeftBank | France NERFINISHED ⓘ |
| countryOnRightBank | Switzerland NERFINISHED ⓘ |
| crosses | Rhône River NERFINISHED ⓘ |
| energySource |
hydropower
ⓘ
renewable energy ⓘ |
| gridConnection |
French power grid
ⓘ
Swiss power grid ⓘ |
| hasComponent |
fish passage facility
ⓘ
intake structure ⓘ powerhouse ⓘ spillway ⓘ |
| hasFunction |
navigation improvement
ⓘ
river regulation ⓘ |
| locatedDownstreamOf | Léman Lake NERFINISHED ⓘ |
| locatedInCanton | canton of Geneva NERFINISHED ⓘ |
| locatedInCountry |
France
ⓘ
Switzerland NERFINISHED ⓘ |
| locatedInRegion |
Auvergne-Rhône-Alpes region
ⓘ
surface form:
Auvergne-Rhône-Alpes
|
| locatedNearBorder | France–Switzerland border NERFINISHED ⓘ |
| locatedNearTown |
Chancy
NERFINISHED
ⓘ
Pougny NERFINISHED ⓘ |
| locatedOnRiver | Rhône River NERFINISHED ⓘ |
| locatedUpstreamOf | Genève NERFINISHED ⓘ |
| operatorCountry |
France
NERFINISHED
ⓘ
Switzerland NERFINISHED ⓘ |
| partOf | Rhône River hydropower system NERFINISHED ⓘ |
| produces |
electric power
ⓘ
renewable electricity ⓘ |
| purpose | power generation ⓘ |
| suppliesElectricityTo | surrounding region ⓘ |
| watercourse | Rhône 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: Pougny–Chancy hydroelectric dam Description of subject: The Pougny–Chancy hydroelectric dam is a power-generating dam on the Rhône River at the France–Switzerland border, supplying renewable electricity to the surrounding region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.