Kairos Power
Google's SMR partner: molten-salt-cooled reactors, 500 MW by 2035.
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Kairos builds fluoride-salt-cooled high-temperature reactors and holds the first US construction permits for a Gen IV design (Hermes, Oak Ridge). Google's 2024 master agreement — up to 500 MW across a fleet from ~2030 — was the first corporate SMR order book.
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Record reviewed as of 2026-01-15 — see Methodology.