doe_pilotrssSep 15, 2026
Intelligence Feed
BRIEFINGS
Curated intelligence on the advanced nuclear sector — sourced, reviewed, and published by Corium.
doe_pilotrssAug 26, 2026
Westinghouse completed zero-power (cold) criticality testing for its eVinci microreactor test unit at the National Criticality Experiments Research Center (NCERC), in partnership with Los Alamos and Idaho National Laboratories. The test validated core des
doe_pilotrssAug 25, 2026
Westinghouse has announced the successful completion of zero-power criticality testing for its eVinci microreactor. This marks a key technical milestone in the eVinci development program.
doe_pilotrssAug 10, 2026
Antares's Mark-0 microreactor achieved criticality at Idaho National Laboratory, described as a significant technical milestone. The ANS president's column also notes additional criticality events occurred in June and July enabled by DOE partnerships with
doe_pilotrssAug 9, 2026
Oklo Inc. announced that its Groves Isotope Test Reactor achieved first criticality, reaching a controlled, self-sustaining nuclear chain reaction at low power. This marks a significant technical milestone for the company's research reactor program.
doe_pilotrssAug 6, 2026
Oklo's Groves Isotope Test Reactor achieved criticality at 9:19 p.m. EDT on August 6, 2026, at the company's facility in Lockhart, Texas, becoming the fifth DOE-authorized reactor to reach criticality under the agency's authorization process.
doe_pilotrssAug 6, 2026
Oklo's Groves Isotope Test Reactor has achieved first criticality, while Deep Fission's underground reactor received safety design approval. Both are part of the USA's Reactor Pilot Program.
doe_pilotrssJul 8, 2026
Aalo Atomics' Aalo-X reactor completed a zero-power fueled criticality demonstration on July 4, 2026, as the fourth firm to do so under the U.S. DOE Reactor Pilot Program. Three other unnamed micro-reactor companies also achieved criticality milestones ea
doe_pilotrssJul 7, 2026
Aalo Atomics' Critical Test Reactor at Idaho National Laboratory achieved initial criticality in the early hours of July 5, 2026, becoming the fourth DOE-authorized US microreactor to reach the milestone by the 4 July 2026 deadline.
doe_pilotrssJul 6, 2026
Aalo Atomics achieved first criticality on July 4, 2026 at Idaho National Laboratory with a zero-power, low-enriched uranium–fueled sodium-cooled test reactor (a full-scale version of its planned 10-MWe Aalo-X), becoming the fourth DOE-authorized reactor
doe_pilotrssJul 1, 2026
Deployable Energy has reportedly achieved criticality at Idaho National Laboratory (INL) ahead of the July 4, 2026 deadline set by Executive Order 14301. This is part of the DOE's Reactor Pilot Program targeting first-of-a-kind nuclear technology demonstr
nrcU.S. NRCApr 17, 2026
NRC receives advanced microreactor application from University of Illinois
READ BRIEFING →companyDARPA/NASAApr 17, 2026
BWXT confirmed as DRACO nuclear thermal propulsion fuel and reactor supplier
READ BRIEFING →spaceWhite House OSTPApr 17, 2026