Hermes 2

Companies 2

• Kairos Power owns Hermes 2 Redesign announced Aug 2025: single reactor, 50 MWe, operations 2030.

  “The US Nuclear Regulatory Commission issued construction permits for Hermes 2, two 35 MWt molten salt-cooled reactors with a shared power generation system, in November 2024.”

  ²world-nuclear-news.org · checked 2026-10-10 High confidence Report a correction: Kairos Power owns Hermes 2
• Tennessee Valley Authority offtakes from Hermes 2

  “The newly announced collaboration includes a first-of-a-kind power purchase agreement between Kairos Power and the Tennessee Valley Authority that will see Kairos Power's Hermes 2 reactor deliver power to the grid for Google's data centres, with plans to increase the demonstration unit's output.”

  ²world-nuclear-news.org · checked 2026-10-10 High confidence Report a correction: Tennessee Valley Authority offtakes from Hermes 2

Sources 2