KP-FHR (Kairos)
US
Basics
Reactor Type
Molten Salt Reactor
Reactor Description
High temperature pellet MSR
Electric Output (MWe)
140
Thermal Output (MWt)
320
Size
Medium
Spectrum
Thermal
Developer
KAIROS Power, LLC.
Pilot Site Details
Oak Ridge (Hermes demonstrator)
Details
Use (goal of commercial operation)
electric power generation
Deployment medium
Land-Based
Design Lifetime (Years)
80
Fuel
Fuel class
MOX
LEU
Thorium
Fuel Type
TRISO Pebble
Fuel Cycle
N/A
Cooling & Temperature
Reactor cooling of primary loop
Lithium-Beryllium Fluoride
Reactor moderator
Graphite
Reactor Outlet Temperature (°C)
650
Status
Design status
Conceptual Design
Licensing status
2023 - NRC issued construction permit for
2023 - NRC issued construction permit for Hermes test reactor
Deployment timeline
2024 - Construction began on the
2024 - Construction began on the Hermes KP-FHR demonstration reactor in Oak Ridge, Tennessee
Agreements and Engagement
- Oct 2024 - Google announced a deal...
- Oct 2024 - Google announced a deal to back the construction of seven SMRs
- Oct 2024 - Kairos started construction of salt production facility for KP-FHR
