Kairos Power entered execution mode on its landmark late-2024 Google deal and also secured a partnership with TVA. Kairos recently completed the non-nuclear portion of its Hermes reactor in Oak Ridge targeting mid-2026 activation. The company raised $136 million total including a $100 million Series B in August 2025. Kairos targets commercial rollout before 2030 and is one of the leading contenders for first advanced SMR criticality in the US.