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Enclosure 1 - Presentation Slides for the May 3, 2023 ACRS Meeting
	ML23117A049
Person / Time
Site:	Hermes
Issue date:	04/27/2023
From:	; Kairos Power
To:	; Office of Nuclear Reactor Regulation
Shared Package
ML23117A047	List: ML23117A048; ML23117A049;
References
	KP-NRC-2304-009
	Download: ML23117A049 (1)
	v • d • e

KP-NRC-2304-009 Enclosure 1 Presentation Slides for the May 3, 2023 ACRS Meeting (Non-Proprietary)

1 No Reproduction or Distribution Without Express Written Permission of Kairos Power LLC.

Kairos Powers mission is to enable the worlds transition to clean energy, with the ultimate goal of dramatically improving peoples quality of life while protecting the environment.

No Reproduction or Distribution Without Express Written Permission of Kairos Power LLC.

Overview of Kairos Power Kairos Power Headquarters

Nuclear energy engineering, design and manufacturing company singularly focused on the commercialization of the fluoride salt-cooled high-temperature reactor (FHR)

Founded in 2016 Current Staffing:

Over 300 Employees (and growing)

~90% Engineering Staff

Private funding commitment to engineering design and licensing program and physical demonstration through nuclear and non-nuclear technology development program Kairos Power Team

Schedule driven by the goal for U.S. commercial demonstration by 2031 (or earlier) to enable rapid deployment in 2030s

Cost targets set to be competitive with natural gas in the U.S. electricity market Copyright © 2023 Kairos Power LLC. All Rights Reserved.

3 No Reproduction or Distribution Without Express Written Permission of Kairos Power LLC.

Hermes Overview

The purpose of Hermes is to test and demonstrate the key technologies, design features, and safety functions for KP-FHR technology

35 MWth non-power reactor facility, 4-year licensed lifetime

Located in Oak Ridge, Tennessee at the East Tennessee Technology Park (Former site of Oak Ridge Gaseous Diffusion Plant)

Research and development programs to resolve safety questions will be resolved before the completion of construction

Hermes is a single unit reactor that does not share any systems or equipment to perform safety functions Copyright © 2023 Kairos Power LLC. All Rights Reserved.

4 No Reproduction or Distribution Without Express Written Permission of Kairos Power LLC.

Hermes PSAR Overview

10 CFR 50 Licensing Pathway Construction Permit Application - Submitted Fall 2021 Environmental Report Preliminary Safety Analysis Report (PSAR)

Next Licensing Step: Operating License Application Final Safety Analysis Report (FSAR)

Hermes PSAR Application Format and Content Developed using guidance in NUREG-1537 Presents preliminary design and preliminary safety analysis consistent with 10 CFR 50.34(a)

PSAR does not request commission approval of the safety of any design feature or specification 10 CFR 50.35(b) A construction permit will constitute an authorization to the applicant to proceed with construction but will not constitute Commission approval of the safety of any design feature or specification unless the applicant specifically requests such approval and such approval is incorporated in the permit.

5 No Reproduction or Distribution Without Express Written Permission of Kairos Power LLC.

Not Applicable to Hermes -

Chapter has no technical content Hermes PSAR Format ** Minimal Content at PSAR

Chapter 1 - The Facility

Chapter 10 - Experimental Facilities and Utilization*

Chapter 2 - Site Characteristics

Chapter 11 - Radiation Protection Program and Waste Management**

Chapter 3 - Design of Structures, Systems, and Components

Chapter 12 - Conduct of Operations**

Chapter 4 - Reactor Description

Chapter 13 - Accident Analysis

Chapter 5 - Heat Transport System

Chapter 14 - Technical Specifications**

Chapter 6 - Engineered Safety Features

Chapter 15 - Financial Qualifications**

Chapter 7 - Instrumentation and

Chapter 16 - Other License Considerations*

Control Systems

Chapter 17 - Decommissioning and Possession-only

Chapter 8 - Electric Power Systems License Amendments*

Chapter 9 - Auxiliary Systems

Chapter 18 - Highly Enriched to Low Enriched Uranium Conversion*

6 No Reproduction or Distribution Without Express Written Permission of Kairos Power LLC.

Kairos Power Reports Referenced in PSAR

Topical Reports

Technical Reports

KP-TR-003 - Principal Design Criteria

KP-TR-017 - Core Design Methodology

KP-TR-004 - Regulatory Analysis

KP-TR-018 - Postulated Event Methodology

KP-TR-005 - Reactor Coolant

KP-TR-010 - Fuel Performance Methodology

KP-TR-011 - Fuel Qualification Methodology

KP-TR-012 - Mechanistic Source Term Methodology

KP-TR-013 - Metallics Qualification Methodology

7 No Reproduction or Distribution Without Express Written Permission of Kairos Power LLC.

Hermes PSAR Review Status NRC staff has completed the safety review of the PSAR

Kairos Power addressed all questions received from the NRC The ACRS Kairos Power subcommittee has completed their review of the PSAR during meetings conducted March 1, 4, 23, 24, and April 18 and 19

Kairos Power submitted changes to the PSAR to resolve internal PSAR inconsistencies identified during the subcommittee review Kairos Power is not aware of any unresolved PSAR questions at this time that preclude issuance of a construction permit.

8 No Reproduction or Distribution Without Express Written Permission of Kairos Power LLC.

No Reproduction or Distribution Without Express Written Permission of Kairos Power LLC.

ML23117A049

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