Updates
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May 30, 2025
First Nuclear Concrete
The Kairos Power team kicks off 2025 with major milestones: first nuclear concrete pour for the Hermes Demonstration Reactor, operator training simulator laboratory launches at the University of Tennessee, Knoxville (UTK), Engineering Test Unit (ETU) 2.0 build progress advances, and more.
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December 16, 2024
Kairos Power’s Iterative Approach to Fuel Development
Kairos Power is taking a stepwise approach to developing the capability to produce KP-FHR fuel in-house and establishing commercial fuel fabrication for the fleet. Learn how we are iteratively growing our manufacturing capabilities in parallel with technology development.
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November 21, 2024
An Opportune Moment for Clean Nuclear Energy
Since Kairos Power’s founding in 2016, our singular focus on delivering a safe, affordable, and reliable clean energy solution has been constant. But, in that time, the global energy outlook has shifted dramatically. Following two decades of steady U.S. electricity demand, projections are now surging upward, increasing the challenge of decarbonization.
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June 12, 2024
License to Build: Progress on Hermes and the ETU Series
This winter, Kairos Power marked three notable milestones in the space of two months: Receiving a construction permit from the Nuclear Regulatory Commission (NRC) to build the Hermes demonstration reactor, logging over 1,000 hours of pumped salt operations in our first Engineering Test Unit (ETU 1.0), and finalizing our contract with the U.S. Department of Energy for up to $303 million in risk reduction funding through the Advanced Reactor Demonstration Program.
