Kairos Power

Reactor developer based in Alameda, with a manufacturing hub in Albuquerque and Hermes reactors under construction in Oak Ridge. ¹

Molten salt coolantReactor developerFissionSmall modular reactor

Deals and links 4

U.S. Department of Energy funds Kairos Power Hermes is supported by DOE's Advanced Reactor Demonstration Program (award amount not stated on fetched page).
“Hermes is one of several projects supported by the U.S. Department of Energy’s (DOE) Advanced Reactor Demonstration Program.”

⁵energy.gov · checked 2026-10-10 High confidence Report a correction: U.S. Department of Energy funds Kairos Power
Google offtakes from Kairos Power Signed Master Plant Development Agreement (Oct 2024) for 500 MW of Kairos plants by 2035 under PPAs; first deployment is Hermes 2 via TVA.
“Kairos Power and Google have signed a Master Plant Development Agreement, creating a path to deploy a U.S. fleet of advanced nuclear power projects totaling 500 MW by 2035.”

³kairospower.com · checked 2026-10-10 High confidence Report a correction: Google offtakes from Kairos Power
Tennessee Valley Authority offtakes from Kairos Power Signed PPA: TVA buys up to 50 MW from Kairos Power's Hermes 2 reactor (first US utility PPA with a Gen IV reactor). Announced Aug 2025.
“The power purchase agreement between the Tennessee Valley Authority (TVA) and Kairos Power will deliver up to 50 MW of "reliable, 24/7 energy" to the TVA grid that powers Google data centres in Tennessee and Alabama, the companies said.”

⁶world-nuclear-news.org · checked 2026-10-10 High confidence Report a correction: Tennessee Valley Authority offtakes from Kairos Power
U.S. Department of Energy supplies Kairos Power Conditional HALEU allocation (Apr 2025), first round.
“The U.S. Department of Energy (DOE) today made conditional commitments to provide high-assay low-enriched uranium (HALEU) to five U.S. nuclear developers to meet their near-term fuel needs.”

⁷energy.gov · checked 2026-10-10 High confidence Report a correction: U.S. Department of Energy supplies Kairos Power

Plants and sites 3

Kairos Power owns Hermes 2 Power plant · Under construction · Oak Ridge, TN · Redesign announced Aug 2025: single reactor, 50 MWe, operations 2030.

⁶world-nuclear-news.org · checked 2026-10-10 ⁸ans.org High confidence Report a correction: Kairos Power owns Hermes 2
Kairos Power owns Hermes Low-Power Demonstration Reactor Test reactor · Under construction · Oak Ridge, TN

⁶world-nuclear-news.org · checked 2026-10-10 ⁹world-nuclear-news.org High confidence Report a correction: Kairos Power owns Hermes Low-Power Demonstration Reactor
Kairos Power owns Kairos Power Salt Production Facility Site · Under construction · Albuquerque, NM

²kairospower.com · checked 2026-10-10 ⁵energy.gov High confidence Report a correction: Kairos Power owns Kairos Power Salt Production Facility

Sources 9

1 https://kairospower.com/company/ kairospower.com
2 https://www.kairospower.com/updates/what-is-flibe-five-fast-facts-about-kairos-powers-molten-salt-coolant kairospower.com · published 2026-07-29
3 https://kairospower.com/external_updates/google-and-kairos-power-partner-to-deploy-500-mw-of-clean-electricity-generation/ kairospower.com · published 2024-10-14
4 https://kairospower.com/ kairospower.com
5 https://www.energy.gov/node/4845535 energy.gov · published 2024-10-03
6 https://world-nuclear-news.org/articles/google-kairos-power-tva-announce-collaboration world-nuclear-news.org · published 2025-08-18
7 https://www.energy.gov/articles/us-department-energy-distribute-first-amounts-haleu-us-advanced-reactor-developers energy.gov · published 2025-04-09
8 https://www.ans.org/news/2026-04-21/article-7964/kairos-power-breaks-ground-on-first-powerproducing-reactor-in-oak-ridge/ ans.org · published 2026-04-21
9 https://world-nuclear-news.org/articles/regulator-extends-hermes-1-reactor-construction-deadline world-nuclear-news.org · published 2026-04-22