Policy · 3h ago
US Microreactors Hit Criticality Milestone
Four US microreactors achieved criticality by July 4, meeting a Trump administration goal. The milestone marks the first new reactor criticalities in decades. These small reactors aim to provide flexible, carbon-free power for remote sites and data centers.
Meridian48 take
While a symbolic win for nuclear advocates, the real test is whether these microreactors can scale commercially and compete with renewables on cost and timeline.
nuclear-energymicroreactors