Ikata Nuclear Power Plant
E847176
The Ikata Nuclear Power Plant is a coastal nuclear power facility in Ehime Prefecture, Japan, that has been a focal point of the country’s post-Fukushima energy and safety debates.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ikata Nuclear Power Plant canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10187108 — 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: Ikata Nuclear Power Plant Context triple: [Ikata, Ehime, Japan, knownFor, Ikata Nuclear Power Plant]
-
A.
Kashiwazaki-Kariwa Nuclear Power Plant
The Kashiwazaki-Kariwa Nuclear Power Plant is one of the world’s largest nuclear power stations, located in Niigata Prefecture, Japan, and operated by Tokyo Electric Power Company (TEPCO).
-
B.
Fukushima Daini Nuclear Power Plant
Fukushima Daini Nuclear Power Plant is a Japanese coastal nuclear power station in Fukushima Prefecture that experienced a significant but more contained impact from the 2011 Tōhoku earthquake and tsunami than its neighboring Daiichi plant.
-
C.
Bilibino Nuclear Power Plant
Bilibino Nuclear Power Plant is a small, remote nuclear power station in Russia’s Chukotka region, notable for supplying electricity and district heating to the Arctic town of Bilibino.
-
D.
Ohakuri Power Station
Ohakuri Power Station is a major hydroelectric power station on New Zealand’s North Island that harnesses the Waikato River to generate electricity.
-
E.
Fukushima Daiichi Nuclear Power Plant
Fukushima Daiichi Nuclear Power Plant is a coastal Japanese nuclear power station in Ōkuma, Fukushima Prefecture, widely known as the site of the 2011 reactor meltdowns following a massive earthquake and tsunami.
- 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: Ikata Nuclear Power Plant Target entity description: The Ikata Nuclear Power Plant is a coastal nuclear power facility in Ehime Prefecture, Japan, that has been a focal point of the country’s post-Fukushima energy and safety debates.
-
A.
Kashiwazaki-Kariwa Nuclear Power Plant
The Kashiwazaki-Kariwa Nuclear Power Plant is one of the world’s largest nuclear power stations, located in Niigata Prefecture, Japan, and operated by Tokyo Electric Power Company (TEPCO).
-
B.
Fukushima Daini Nuclear Power Plant
Fukushima Daini Nuclear Power Plant is a Japanese coastal nuclear power station in Fukushima Prefecture that experienced a significant but more contained impact from the 2011 Tōhoku earthquake and tsunami than its neighboring Daiichi plant.
-
C.
Bilibino Nuclear Power Plant
Bilibino Nuclear Power Plant is a small, remote nuclear power station in Russia’s Chukotka region, notable for supplying electricity and district heating to the Arctic town of Bilibino.
-
D.
Ohakuri Power Station
Ohakuri Power Station is a major hydroelectric power station on New Zealand’s North Island that harnesses the Waikato River to generate electricity.
-
E.
Fukushima Daiichi Nuclear Power Plant
Fukushima Daiichi Nuclear Power Plant is a coastal Japanese nuclear power station in Ōkuma, Fukushima Prefecture, widely known as the site of the 2011 reactor meltdowns following a massive earthquake and tsunami.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | nuclear power plant ⓘ |
| coolingSystem | sea water cooling system ⓘ |
| country | Japan ⓘ |
| energySource | nuclear fission ⓘ |
| environmentalImpact | thermal discharge into Seto Inland Sea ⓘ |
| fuelType | uranium ⓘ |
| gridConnection | Shikoku regional power grid ⓘ |
| hasBackupPower | diesel generators ⓘ |
| hasContainmentType | PWR containment structure ⓘ |
| hasEmergencyCoreCoolingSystem | yes ⓘ |
| hasEmergencyPlanningZone | area including parts of Ehime Prefecture ⓘ |
| hasReactor |
Ikata Unit 1
ⓘ
linked to:
Ikata
Ikata Unit 2 ⓘ
linked to:
Ikata
Ikata Unit 3 ⓘ
linked to:
Ikata
|
| hasSecurityMeasures | physical protection and access control systems ⓘ |
| hasSpentFuelFacility | on-site spent fuel storage ⓘ |
| industrySector | electric power generation ⓘ |
| locatedIn |
Ikata, Ehime Prefecture, Japan
ⓘ
linked to:
Ikata, Ehime, Japan
Shikoku region of Japan ⓘ
linked to:
Shikoku
|
| locatedOn | coast of the Seto Inland Sea ⓘ |
| nearbyCity | Yawatahama, Ehime Prefecture ⓘ |
| nearbyGeographicalFeature | Sadamisaki Peninsula ⓘ |
| operatedBy | Shikoku Electric Power Company ⓘ |
| ownedBy | Shikoku Electric Power Company ⓘ |
| partOf | Japan’s commercial nuclear power fleet ⓘ |
| primaryCoolingWaterSource | Seto Inland Sea ⓘ |
| reactorType |
pressurized water reactor
ⓘ
pressurized water reactor ⓘ pressurized water reactor ⓘ pressurized water reactor ⓘ |
| regulator |
Nuclear Regulation Authority of Japan
ⓘ
linked to:
Nuclear Regulation Authority (Japan)
|
| safetyUpgrades | post-Fukushima seismic and tsunami countermeasures ⓘ |
| seismicDesign | designed to withstand strong earthquakes ⓘ |
| status |
in operation
ⓘ
permanently shut down ⓘ permanently shut down ⓘ |
| subjectOf |
lawsuits and court injunctions related to reactor restarts
ⓘ
media coverage on nuclear restarts in Japan ⓘ post-Fukushima nuclear safety debates in Japan ⓘ public opposition from some local residents and NGOs ⓘ regulatory safety reviews after the Fukushima Daiichi accident ⓘ |
| tsunamiProtection | seawall and coastal protection structures ⓘ |
| usesTechnology | light water reactor technology ⓘ |
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: Ikata Nuclear Power Plant Description of subject: The Ikata Nuclear Power Plant is a coastal nuclear power facility in Ehime Prefecture, Japan, that has been a focal point of the country’s post-Fukushima energy and safety debates.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.