US-based advanced nuclear reactor developer Kairos Power has completed the first installation of nuclear safety-related concrete for the Hermes Low-Power Demonstration Reactor, marking the start of “nuclear construction” on the project in Oak Ridge, Tennessee.
Hermes is a scaled demonstration of Kairos Power’s Generation IV* fluoride salt-cooled high-temperature reactor (KP-FHR) technology and is the first advanced nuclear reactor to receive a construction permit from the US Nuclear Regulatory Commission (NRC).
Kairos Power first broke ground at the Hermes site in July 2024 and completed excavation in October.
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