Kairos Hermes 1
US
Basics
Reactor Type
Molten Salt Reactor
Reactor Description
Hydrogen moderated pebble MSR
Electric Output (MWe)
non-power
Thermal Output (MWt)
35
Size
no electric power
Spectrum
Thermal
Developer
KAIROS Power, LLC.
Pilot Site Details
Oak Ridge National Lab, Tennessee
Details
Use (goal of commercial operation)
Demonstration
Deployment medium
Land-Based
Design Lifetime (Years)
80
Fuel
Fuel class
HALEU
Fuel Type
TRISO Pebble
Fuel Cycle
N/A
Cooling & Temperature
Reactor cooling of primary loop
Fluoride Salt
Reactor moderator
Graphite
Reactor Outlet Temperature (°C)
585
Status
Design status
Under Construction
Licensing status
- December 2023 - NRC issued construction...
- December 2023 - NRC issued construction permit
- August 2023 - Final environmental impact statement successfully reviewed
- June 2023 - Final safety evaluation issued
- September 2021 - Construction licence application submitted
- 2018 - Pre-conceptual Design completed
- Full NRC licencing status available online
Deployment timeline
- July 2024 - Construction began...
- July 2024 - Construction began at Oak Ridge National Lab, Tennessee
- 2026 - Construction completion expected
- 2027 - Operation expected
Agreements and Engagement
- Construction began of a cooling salt...
- Construction began of a cooling salt production facility at Albuquerque manufacturing site in Oct 2024
- Testing Facility built in Albuquerque, New Mexico in 2021
- Kairos Power formed an advanced nuclear development advisory consortium with four North American nuclear operators – Bruce Power, Constellation, Southern Company, and the Tennessee Valley Authority in 2022
