Economic Simplified Boiling Water Reactor
E417360
The Economic Simplified Boiling Water Reactor (ESBWR) is a Generation III+ nuclear power reactor design by GE Hitachi that uses natural circulation and passive safety systems to enhance safety and reduce complexity and operating costs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Economic Simplified Boiling Water Reactor canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4153013 — 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: Economic Simplified Boiling Water Reactor Context triple: [Fermi 3, reactorType, Economic Simplified Boiling Water Reactor]
-
A.
ZEEP reactor
The ZEEP reactor was a small Canadian research nuclear reactor that played a key role in early nuclear physics experiments and the development of Canada's nuclear energy program.
-
B.
S2W nuclear reactor
The S2W nuclear reactor was an early U.S. Navy pressurized water reactor design that powered the world’s first operational nuclear-powered submarine, USS Nautilus.
-
C.
Molten-Salt Reactor Experiment at Oak Ridge
The Molten-Salt Reactor Experiment at Oak Ridge was a pioneering 1960s nuclear research reactor that demonstrated the feasibility of using molten salt as both fuel and coolant, significantly advancing concepts for safer and more efficient nuclear power.
-
D.
K15 pressurized water reactor
The K15 pressurized water reactor is a French naval nuclear reactor design used to power modern French aircraft carriers and submarines.
-
E.
Pressurised water reactor
A pressurised water reactor is a type of nuclear fission reactor that uses high-pressure water as both coolant and neutron moderator to generate heat for producing electricity or naval propulsion.
- 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: Economic Simplified Boiling Water Reactor Target entity description: The Economic Simplified Boiling Water Reactor (ESBWR) is a Generation III+ nuclear power reactor design by GE Hitachi that uses natural circulation and passive safety systems to enhance safety and reduce complexity and operating costs.
-
A.
ZEEP reactor
The ZEEP reactor was a small Canadian research nuclear reactor that played a key role in early nuclear physics experiments and the development of Canada's nuclear energy program.
-
B.
S2W nuclear reactor
The S2W nuclear reactor was an early U.S. Navy pressurized water reactor design that powered the world’s first operational nuclear-powered submarine, USS Nautilus.
-
C.
Molten-Salt Reactor Experiment at Oak Ridge
The Molten-Salt Reactor Experiment at Oak Ridge was a pioneering 1960s nuclear research reactor that demonstrated the feasibility of using molten salt as both fuel and coolant, significantly advancing concepts for safer and more efficient nuclear power.
-
D.
K15 pressurized water reactor
The K15 pressurized water reactor is a French naval nuclear reactor design used to power modern French aircraft carriers and submarines.
-
E.
Pressurised water reactor
A pressurised water reactor is a type of nuclear fission reactor that uses high-pressure water as both coolant and neutron moderator to generate heat for producing electricity or naval propulsion.
- F. None of above. chosen
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf |
Generation III+ reactor
ⓘ
boiling water reactor ⓘ light water reactor ⓘ nuclear reactor design ⓘ |
| application | commercial electricity generation ⓘ |
| containmentType | reinforced concrete with steel liner ⓘ |
| controlRodDriveType | fine motion control rod drives ⓘ |
| coolant | light water ⓘ |
| coolingMethod | natural circulation in reactor vessel ⓘ |
| coreDamageFrequency | very low compared to earlier designs ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designCertificationAuthority | United States Nuclear Regulatory Commission ONNED1 ⓘ |
| designCertificationDate | 2014 ⓘ |
| designer | GE Hitachi Nuclear Energy ⓘ |
| designGoal |
enhanced safety
ⓘ
improved reliability ⓘ lower operating costs ⓘ reduced complexity ⓘ reduced core damage frequency ⓘ |
| designLife | 60 years ⓘ |
| electricalOutput | approximately 1550 MWe ⓘ |
| feature |
elimination of recirculation pumps
ⓘ
high plant availability target ⓘ large water inventory above the core ⓘ reduced number of active components ⓘ simplified systems layout ⓘ |
| fuelAssemblyType | BWR fuel assembly ⓘ |
| fuelEnrichment | up to about 4.95% U-235 ⓘ |
| fuelForm | uranium dioxide ⓘ |
| fuelType | low-enriched uranium ⓘ |
| generation | Generation III+ ⓘ |
| improvementOver |
Boiling water reactor
ⓘ
surface form:
Advanced Boiling Water Reactor
|
| manufacturer | GE Hitachi Nuclear Energy ⓘ |
| moderator | light water ⓘ |
| netElectricalOutput | about 1520 MWe ⓘ |
| neutronSpectrum | thermal ⓘ |
| passiveSafetyDuration | at least 72 hours without operator action ⓘ |
| predecessor |
Boiling water reactor
ⓘ
surface form:
Advanced Boiling Water Reactor
|
| primaryCirculationPumps | none ⓘ |
| reactorType | boiling water reactor ⓘ |
| reactorVesselPressure | high-pressure light water system ⓘ |
| regulatoryApproval | U.S. NRC design certification ⓘ |
| safetyFeature |
core catcher-like features for severe accidents
ⓘ
diverse and redundant safety systems ⓘ flooded gravity-driven pools ⓘ gravity-driven cooling system ⓘ isolation condenser system ⓘ long-term passive cooling without AC power ⓘ passive containment cooling system ⓘ passive residual heat removal ⓘ |
| safetySystemType | passive safety systems ⓘ |
| steamGenerationMethod | boiling of water directly in reactor core ⓘ |
| steamSupply | direct cycle to turbine ⓘ |
| targetMarket | large baseload nuclear power plants ⓘ |
| thermalOutput | 4500 MWth ⓘ |
| usesNaturalCirculation | true ⓘ |
| vendor | GE Hitachi Nuclear Energy ⓘ |
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: Economic Simplified Boiling Water Reactor Description of subject: The Economic Simplified Boiling Water Reactor (ESBWR) is a Generation III+ nuclear power reactor design by GE Hitachi that uses natural circulation and passive safety systems to enhance safety and reduce complexity and operating costs.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Fermi 3