Regulatory Update

NRC Issues Construction Permit for Kairos Hermes Test Reactor in Tennessee

December 14, 2023

The Nuclear Regulatory Commission has issued a construction permit to Kairos Power LLC for the company’s Hermes non-power test reactor in Oak Ridge, Tennessee. The permit authorizes Kairos to build a 35-megawatt thermal reactor that would use molten salt to cool the reactor core. Kairos submitted its application to build the Hermes reactor in 2021.