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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.FuelFUND.YTD2025-26$2.5B+.Raised

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: May 6, 2026 · 60 reactors tracked

ReactorDeveloperTypeMWe CoolantFuelNRC StatusTarget 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