Generation IV
Generation IV reactors are six advanced concepts targeting sustainability, safety, proliferation resistance, and economics by 2030.
GIF selected 2002: SFR, VHTR, SCWR, GFR, LFR, MSR. Emphasize closed fuel cycles, HALEU/MOX fuel, temps >500°C for H2 production. Demo targets 2016-2040 shifted; Natrium exemplifies SFR. Over 100 members in GIF.
Why it matters now
Gen IV addresses 2025 HALEU bottlenecks for breeding. DOE funding accelerates demos like Natrium amid SMR competition.