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

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Antares Nuclear

HQ: USACEO:

Funding Summary

Total Funding

$96M Series B (Dec 2025)

About

HTGR microreactor developer. Antares R1 (0.1-1 MWe) authorized under DOE Reactor Pilot Program. Ground broken, targeting criticality July 2026. $96M Series B raised December 2025.

Reactor Programs

Antares R1

under construction1 MWe · htgr

HTGR microreactor (0.1-1 MWe). Authorized under DOE Reactor Pilot Program. Groun...

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