Antares lands BWXT fuel-fabrication deal and initial DOE safety approval for its Mark-1 microreactor
From the Energy digest for Oct 27, 2026
What happened: Antares Nuclear, the Torrance, California-based developer, announced on Oct 27 that it has secured a multi-year agreement with BWX Technologies (BWXT) for advanced nuclear fuel fabrication and has received initial Department of Energy safety approval for its Mark-1 microreactor (POWER Magazine, Oct 27, ~10:29 AM ET). The company frames both as key requirements for its planned transition from reactor testing to electricity production and military deployments.
What's genuinely new: The two dated company milestones — the BWXT fuel-fabrication agreement and the initial DOE safety approval. The fuel side pairs Antares with an established government-fuel manufacturer beside its existing prepaid multi-year HALEU contract with Centrus; the DOE step is an initial safety approval, not a licence or full authorization. The announcement is company-sourced with no independent verification of the milestones in this report.
Watch: The remaining stages of the DOE review, the fuel delivery schedule, and named deployment partners for electricity production and military use.
Sources POWER Magazine