Kairos Power develops the KP-FHR, a low-pressure fluoride-salt–cooled high-temperature reactor that uses TRISO fuel to produce electricity. Heat is transferred with a high-temperature, single-pass molten fluoride salt loop to a conventional power cycle, while the reactor stays at low pressure for safety. The company builds test units and Hermes demonstration reactors to de-risk licensing, manufacturing, and construction before deploying fleets of commercial reactors. It has a 500 MW agreement with Google and a TVA power purchase agreement, targets first power around 2030, and is backed by DOE cost-share funds and private investors, with Samsung C&T collaborating on deployment.
Company Size
501-1,000
Company Stage
Late Stage VC
Total Funding
$643M
Headquarters
Alameda, California
Founded
2016
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