Flamanville 3 nuclear power plant
E400397
Flamanville 3 nuclear power plant is a French EPR (European Pressurized Reactor) project on the Normandy coast, known for its advanced reactor design, major construction delays, and significant cost overruns.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Flamanville | 1 |
| Flamanville 1 nuclear power plant | 1 |
| Flamanville 3 nuclear power plant canonical | 1 |
| Flamanville 3, France | 1 |
| Flamanville Nuclear Power Plant | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3925364 — 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: Flamanville 3 nuclear power plant Context triple: [Areva, notableProject, Flamanville 3 nuclear power plant]
-
A.
CEA Marcoule
CEA Marcoule is a major French nuclear research and industrial site focused on nuclear energy technologies, fuel cycle activities, and radioactive waste management.
-
B.
Ascó Nuclear Power Plant
Ascó Nuclear Power Plant is a major Spanish nuclear power facility located in Catalonia that generates electricity using pressurized water reactors.
-
C.
Fessenheim hydroelectric power station
Fessenheim hydroelectric power station is a run-of-river hydroelectric facility on the Rhine in eastern France, known for generating renewable electricity via the Grand Canal d’Alsace.
-
D.
Hinkley Point nuclear power stations
Hinkley Point nuclear power stations are a major complex of nuclear power facilities on the coast of Somerset, England, including both decommissioned reactors and the large new Hinkley Point C project.
-
E.
Sellafield
Sellafield is a nuclear fuel reprocessing and decommissioning site on the coast of Cumbria in northwest England.
- 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: Flamanville 3 nuclear power plant Target entity description: Flamanville 3 nuclear power plant is a French EPR (European Pressurized Reactor) project on the Normandy coast, known for its advanced reactor design, major construction delays, and significant cost overruns.
-
A.
CEA Marcoule
CEA Marcoule is a major French nuclear research and industrial site focused on nuclear energy technologies, fuel cycle activities, and radioactive waste management.
-
B.
Ascó Nuclear Power Plant
Ascó Nuclear Power Plant is a major Spanish nuclear power facility located in Catalonia that generates electricity using pressurized water reactors.
-
C.
Fessenheim hydroelectric power station
Fessenheim hydroelectric power station is a run-of-river hydroelectric facility on the Rhine in eastern France, known for generating renewable electricity via the Grand Canal d’Alsace.
-
D.
Hinkley Point nuclear power stations
Hinkley Point nuclear power stations are a major complex of nuclear power facilities on the coast of Somerset, England, including both decommissioned reactors and the large new Hinkley Point C project.
-
E.
Sellafield
Sellafield is a nuclear fuel reprocessing and decommissioning site on the coast of Cumbria in northwest England.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
EPR reactor
ⓘ
nuclear power plant unit ⓘ |
| constructionMethod | large on‑site civil works with heavy forgings ⓘ |
| constructionStartYear | 2007 ⓘ |
| coolingSource | sea water ⓘ |
| country | France ⓘ |
| designedBy |
Framatome
ⓘ
linked to:
Areva
|
| designGeneration | Generation III+ ⓘ |
| environmentalContext | low‑carbon baseload electricity source ⓘ |
| fuelType | low‑enriched uranium ⓘ |
| gridConnectionStatus | not yet in commercial operation as of 2024 ⓘ |
| gridOperator |
RTE (Réseau de Transport d’Électricité)
ⓘ
linked to:
Réseau de Transport d’Électricité
|
| grossElectricalCapacity_MWe | approximately 1750 ⓘ |
| initialPlannedStartupYear | 2012 ⓘ |
| knownFor |
first EPR reactor in France
ⓘ
major construction delays ⓘ significant cost overruns ⓘ |
| locatedIn |
Flamanville
ⓘ
linked to:
Flamanville 3 nuclear power plant
|
| locatedInRegion | Normandy ⓘ |
| locatedOnCoastOf | English Channel ⓘ |
| mainContractor | EDF ⓘ |
| netElectricalCapacity_MWe | approximately 1600 ⓘ |
| numberOfReactorUnits | 1 ⓘ |
| operator | EDF ⓘ |
| owner | EDF ⓘ |
| partOf |
Flamanville Nuclear Power Plant
ⓘ
linked to:
Flamanville 3 nuclear power plant
|
| projectChallenges |
budget escalation
ⓘ
quality control issues ⓘ regulatory non‑conformities ⓘ schedule slippages ⓘ welding defects in reactor components ⓘ |
| projectStatus | under commissioning as of mid‑2020s ⓘ |
| purpose | electricity generation for the French grid ⓘ |
| reactorTechnology | pressurized water reactor ⓘ |
| reactorType |
European Pressurized Reactor
ⓘ
linked to:
EPR (European Pressurized Reactor)
|
| reactorTypeAbbreviation | EPR ⓘ |
| regulatoryAuthority | Autorité de sûreté nucléaire ⓘ |
| regulatoryAuthorityAbbreviation | ASN ⓘ |
| relatedProject |
Olkiluoto 3 nuclear power plant
ⓘ
Taishan 1 nuclear power plant ⓘ Taishan 2 nuclear power plant ⓘ
linked to:
Taishan 1 nuclear power plant
|
| safetyFeatures |
core catcher
ⓘ
double containment ⓘ enhanced redundancy and diversity of safety systems ⓘ generation III+ reactor design ⓘ |
| siteSharedWith |
Flamanville 1 nuclear power plant
ⓘ
linked to:
Flamanville 3 nuclear power plant
Flamanville 2 nuclear power plant ⓘ |
| siteType | coastal ⓘ |
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: Flamanville 3 nuclear power plant Description of subject: Flamanville 3 nuclear power plant is a French EPR (European Pressurized Reactor) project on the Normandy coast, known for its advanced reactor design, major construction delays, and significant cost overruns.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Flamanville 3 nuclear power plant
linked to: Flamanville 3 nuclear power plant
linked to: Flamanville 3 nuclear power plant
subject linked to:
EPR (European Pressurized Reactor)
linked to: Flamanville 3 nuclear power plant