Reactor Type
htgr
Electrical Output
1 MWe
Thermal Output
4 MWth
Coolant
Helium
Enrichment
HALEU
Refueling Interval
null
Design Life
null
Passive Safety
Yes
Load Following
Yes
Target LCOE
null
Country
USA
Status
UNDER CONSTRUCTION
About
HTGR microreactor (0.1-1 MWe). Authorized under DOE Reactor Pilot Program. Ground broken, targeting criticality July 2026. $96M Series B raised December 2025.
Antares Nuclear — Funding Summary
Total Funding
$96M Series B (Dec 2025)