Megawatt nuclear battery picked for second DOME microreactor test

The US Department of Energy selected Houston startup Deployable Energy to test its 1 MWe Nuclear Unity Battery microreactor at the DOME facility in Idaho in 2027. It is only the second company granted access to the testbed, following Radiant's inaugural run. The campaign is fully self-funded.

• Deployable Energy will test its 1 MWe Nuclear Unity Battery microreactor in 2027
• DOME is the first facility built for fueled microreactor tests up to 20 MW thermal
• The site opened in April 2026 inside the 100-foot Experimental Breeder Reactor-II dome
• The company must meet milestones on readiness, fuel and regulatory clearances