4S
Japan
Basics
Reactor Type
Liquid Metal Reactor
Reactor Description
Fast pool type LMR
Electric Output (MWe)
10 / 50
Thermal Output (MWt)
30 / 135
Size
Micro
'Micro' size
Electric output of less than 10 MWe
Electric output of less than 10 MWe
Small
'Small' size
Electric output of between 10 MWe and 100 MWe
Electric output of between 10 MWe and 100 MWe
Spectrum
Fast
Kinetic neutron energy of 1…20 Mev
Kinetic energy of a not-moderated particle (neutron spectrum)
Kinetic energy of a not-moderated particle (neutron spectrum)
Developer
Toshiba Energy Systems & Solutions Corporation
Pilot Site Details
Alaska (proposed Galena NPP, abandoned 2011)
Details
Use (goal of commercial operation)
Commercial, electricity generation, heat
Deployment medium
Land-based
Design Lifetime (Years)
60
Fuel
Fuel class
HALEU
High-assay low enriched uranium
Uranium enriched to 5…20 percent U-235
Uranium enriched to 5…20 percent U-235
Fuel Type
Metallic U-Zr Alloy
Fuel Cycle
N/A
Refuelling Cycle
N/A
Cooling & Temperature
Reactor cooling of primary loop
Sodium
Reactor moderator
None
Reactor Outlet Temperature (°C)
510
Status
Design status
Detailed design
Licensing status
N/A
Deployment timeline
N/A
Agreements and Engagement
N/A