This page may contain stale information. Last updated: 2026-09-22
Overview
Kairos Power is a U.S. advanced nuclear reactor developer founded in 2016, building fluoride salt-cooled high-temperature reactors (kp-fhr) for clean baseload power. Key partner in google’s AI data center energy strategy.
Recent Developments
- 2026-09-21: samsung-c-t agreed to invest up to 70M equity + in-kind engineering) for Hermes 2 demo plant in Oak Ridge, Tennessee; signing at Climate Week NYC (2026-09-21-kairos-power-samsung-google-nuclear)
- 2026-04: Broke ground on Hermes 2 — 50 MWe grid-connected demo reactor targeting 2030–2031 operation
- 2024-12: Received NRC construction permit for Hermes 2
- 2023: First U.S. construction permit for non-water-cooled reactor in over 50 years
- Multi-plant development agreement with google for ~500 MWe by 2035