SMR.INTEL
OKLOAurora+15MW.SMRSMRVOYGR+77MW.NuScaleNNENano Nuclear+Micro.ReactorLTBRLightbridge+Fuel.TechLEUCentrus+HALEU.ProdCCJCameco+Uranium.SupplyUECUranium Energy+U3O8.MiningCEGConstellation+TMI.RestartGEVGE Vernova+BWRX-300BWXBWXT+TRISO.Fuel

Reactor Database

The definitive database of every SMR and advanced reactor in development or production. Output, coolant, fuel type, NRC status, and deployment timelines.

Last updated: September 22, 2026 · 60 reactor designs tracked + 1 fuel facility

Reactor ↕Developer ↕Type ↕MWe ↓CoolantFuelNRC Status ↕Target Date
Rolls-Royce SMRRolls-Royce SMR Ltdpwr470Light water——
Westinghouse LFRWestinghouse Electriclfr450Lead——
NatriumTerraPowersfr345Liquid sodium——
Nuward SMREDF / Nuwardpwr340Light water——
AP300Westinghouse Electricpwr330Light water——
BWRX-300GE Hitachi / GE Vernovabwr300Light water——
SMR-300Holtec Internationalpwr300Light water——
SSR-WMoltex Energymsr300Molten salt——
Integrated Small ReactorMitsubishi Heavy Industriespwr300Light water——
EAGLES-300Ansaldo Nucleare / EAGLES Consortiumlfr300Lead——
EM2General Atomicsgcfr265Helium——
ThorCon MSRThorConmsr250Molten salt——
HTR-PMCNNC / Tsinghua Universityhtgr210Helium——
LFR-AS-200Newcleolfr200Lead——
BSMR-200BARC / NPCILphwr200Heavy water——
IMSRTerrestrial Energymsr195Fluoride molten salt——
i-SMRKHNPpwr170Light water——
Linglong One / ACP100CNNCpwr125Light water——
StellariumStellariamsr110Chloride molten salt——
RITM-200SRosatompwr106Light water——
SMART100KAERIpwr100Light water——
ARC-100ARC Clean Technologysfr100Liquid sodium——
MSR-100Natura Resourcesmsr100Molten salt——
CMSRSaltfossmsr100Molten salt——
Thorizon OneThorizonmsr100Molten salt——
Xe-100X-energyhtgr80Helium——
VOYGRNuScale Powerpwr77Light water——
KP-FHRKairos Powerfhr75FLiBe molten salt——
ACPR50SCGNpwr60Light water——
BANDI-60KEPCO E&Cpwr60Light water——
SEALERBlykallalfr55Lead——
RITM-200Rosatompwr55Light water——
SMR-55BARC / NPCILpwr55Light water——
RITM-200NRosatompwr55Light water——
Aalo PodAalo Atomicspwr50Light water——
XAMRNaareamsr40Molten salt——
KLT-40SRosatompwr35Light water——
Copenhagen Atomics MSRCopenhagen Atomicsmsr30Heavy water moderated molten salt——
CAREM-25CNEApwr25Light water——
PWR-20Last Energypwr20Light water——
Aurora PowerhouseOklo Inc.sfr15Liquid sodium——
Gravity ReactorDeep Fissionpwr15Light water——
Aalo-X (XMR)Aalo Atomicspwr10Light water——
Micro Modular Reactor (MMR)Ultra Safe Nuclearhtgr5Helium——
eVinciWestinghouse Electricmicroreactor5Heat pipe——
PWR-5Last Energypwr5Light water——
Project PeleBWX Technologieshtgr5Helium——
KaleidosRadiant Industriesmicroreactor1Helium——
KRONOSNano Nuclear Energyhtgr1Helium——
Antares R1Antares Nuclearhtgr1Helium——
HermesKairos PowerfhrDemoFLiBe molten salt——
MCSFRElysium IndustriesmsrDemoMolten chloride salt——
BANRBWX TechnologiesmicroreactorDemo———
Ward 250Valar AtomicshtgrDemoHelium——
NovaValar AtomicshtgrDemoHelium——
MSR-1Natura ResourcesmsrDemoMolten salt——
LDR-50Steady EnergypwrDemoLight water——
Jimmy HTRJimmy EnergyhtgrDemoHelium——
Dual Fluid ReactorDual Fluid EnergylfrDemoLiquid metal (lead)——
Standard Nuclear Fuel FabricationStandard Nuclearfuel-facilityDemo———
UnityDeployable EnergymicroreactorDemo———