Construction Permit Application Review Documents for Hermes – Kairos Power

The following table provides access to the construction permit application for Hermes and other documents that Kairos Power, LLC has submitted to support the review of the application. Key documents published by the NRC as part of the application review are also listed.

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Date Description Status
12/14/2023 Kairos Hermes Test Reactor Construction Permit No. CPTR-6 Issued
12/14/2023 Kairos Hermes Test Reactor Summary Record of Decision Issued
12/12/2023 CLI-23-05, Memorandum and Order directing the staff to issue the Hermes construction permit Issued
09/05/2023 Federal Register Notice: Construction permit application; notice of hearing Published
08/23/2023 Staff's Statement in Support of the Uncontested Hearing for Issuance of a Construction Permit for the Kairos Hermes Test Reactor issued
08/17/2023 Environmental Impact Statement for the Construction Permit for the Kairos Hermes Test Reactor Issued
06/20/2023 Response to ACRS Letter on the Kairos Non-Power Reactor Hermes Construction Permit Application Issued 
06/13/2023 Safety Evaluation Related to the Kairos Power LLC Construction Permit Application for the Hermes Test Reactor Issued
06/09/2023 Summary Report for the Regulatory Audit of Kairos Power LLC Hermes Construction Permit Preliminary Safety Analysis Report Chapters 4 and 13 (Accident Analysis) Issued
06/09/2023 Summary Report for the Regulatory Audit of Kairos Power LLC Hermes Construction Permit Preliminary Safety Analysis Report General Audit Issued
05/31/2023 Hermes Non-Power Reactor Preliminary Safety Analysis Report, Revision 3 Received
05/16/2023 ACRS Letter on Kairos Non-Power Reactor Hermes Construction Permit Application  Issued
04/25/2023 Summary Report for the Regulatory Audit of Kairos Power LLC Hermes Construction Permit Preliminary Safety Analysis Report Instrumentation and Control (Chapter 7) Issued
04/25/2023 Summary Report for the Regulatory Audit of Kairos Power LLC Hermes Construction Permit Preliminary Safety Analysis Report Decay Heat Removal System (Chapter 6, Section 6.3) Issued
04/25/2023 Summary Report for the Regulatory Audit of Kairos Power LLC Hermes Construction Permit Preliminary Safety Analysis Report Site Characteristics (Chapter 2) Issued
04/18/2023 (Approved SE – a preliminary version) Safety Evaluation Related to the Kairos Power LLC Construction Permit Application for the Hermes Test Reactor Available
02/24/2023 Hermes Non-Power Reactor Preliminary Safety Analysis Report, Revision 2 Received
09/29/2022 Hermes Non-Power Reactor Preliminary Safety Analysis Report, Revision 1 Received
09/26/2022 NUREG-2263 Draft Environmental Impact Statement for the Construction Permit for the Kairos Hermes Test Reactor Issued
09/01/2022 Response to NRC Request for Additional Information 350 Received
08/31/2022 Response to NRC Request for Additional Information 348 Received
08/31/2022 Response to NRC Request for Additional Information 339 Received
08/24/2022 Summary Report for Environmental Audit of the Kairos Hermes Test Reactor Construction Permit Application Issued
08/19/2022 Response to NRC Request for Confirmation of Information 349 Received
08/02/2022 Final Request for Additional Information 350 for Air Ingress into the Primary Heat Transport System Issued
08/02/2022 Final Request for Additional Information 348 on Shutdown Rod Reliability Issued
08/02/2022 Final Request for Additional Information 339 Regarding Inspection of Vessel Internals and the Natural Gas Circulation Flow Path Issued
08/02/2022 Final Request for Confirmation of Information 349 on Salt Purity in the Chemistry Control System and the Inert Gas System Issued
08/01/2022 Issuance of Environmental Scoping Summary Report Issued
05/27/2022 Hermes Construction Permit Preliminary Safety Analysis Report Site Characteristics (Chapter 2) Audit Plan Issued
04/08/2022 Plan for an Audit of the Hermes Construction Permit Preliminary Safety Analysis Report Chapter 7 on Instrumentation and Control Issued
02/23/2022 Audit Plan for the Hermes Construction Permit Preliminary Safety Analysis Report Chapters 4, Section 4.5 and 13 Issued
02/17/2022
 
Hermes Construction Permit Preliminary Safety Analysis Report Chapter 6, Section 6.3 Audit Plan Issued
02/15/2022
 
Notice of Intent to Conduct Scoping Process and
Prepare Environmental Impact Statement
Published
02/10/2022
 
Plan for a General Audit of the Hermes Construction Permit Application Issued
02/04/2022
 
Federal Register Notice: Construction permit application; opportunity to request a hearing and petition for leave to intervene; order imposing procedures Published
02/02/2022
 
Hermes Environmental Report Audit Plan Issued
12/15/2021
 
Hermes Test Reactor Construction Permit Application Review Schedule and Resource Estimate Issued
11/29/2021
 
Acceptance for Docketing of the Hermes Non-power Test Reactor Construction Permit Application Acceptance letter
10/31/2021 Kairos Power Construction Permit Application for Hermes Part 2, Environmental Report Accepted for review on 11/29/21
09/29/2021 Kairos Power Construction Permit Application for Hermes Part 1, Preliminary Safety Analysis Report Accepted for review on 11/29/21

Page Last Reviewed/Updated Tuesday, December 19, 2023