ML22187A233

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Summary of Partially Open to the Public Meeting Regarding X Energy LLC: XE-100 Principal Design Criteria
ML22187A233
Person / Time
Issue date: 08/16/2022
From: Vechioli-Feliciano L
NRC/NRR/DANU/UAL1
To: William Kennedy
NRC/NRR/DANU/UAL1
Vechioli-Feliciano L
References
Download: ML22187A233 (4)


Text

August 11, 2022 MEMORANDUM TO: William Kennedy, Acting Chief Advanced Reactor Licensing Branch 1 Division of Advanced Reactors and Non-power Production and Utilization Facilities Office of Nuclear Reactor Regulation FROM: Lucieann Vechioli Feliciano, Project Manager Signed by Vechioli, Lu Advanced Reactor Licensing Branch 1 on 08/11/22 Division of Advanced Reactors and Non-power Production and Utilization Facilities Office of Nuclear Reactor Regulation

SUBJECT:

SUMMARY

OF THE APRIL 27, 2022, PARTIALLY OPEN TO THE PUBLIC MEETING REGARDING X ENERGY LLC: XE-100 PRINCIPAL DESIGN CRITERIA On April 27, 2022, the U.S. Nuclear Regulatory Commission (NRC) staff held a partially open to the public meeting with representatives from X Energy LLC (X-energy) regarding the Xe-100 reactor Principal Design Criteria (PDC). A previous meeting regarding this topic was held on March 17, 2022 (Agencywide Documents Access and Management System (ADAMS)

Accession No. ML22151A244). The public meeting notice and agenda are available in ADAMS at ML22110A147. The industrys presentation slides for the public portion of the meeting are available in ADAMS at ML22122A110. The Enclosure provides the list of meeting attendees.

Meeting Summary After the opening remarks by the NRC staff and X-energy representatives, X-energy began the topic discussion by describing their iterative approach in developing the PDC using guidance in Nuclear Energy Institute (NEI) 18-04, Risk-Informed Performance-Based Technology Inclusive Guidance for Non-Light Water Reactor Licensing Basis Development (ML19241A472), NEI 21-07, Technology Inclusive Guidance for Non-Light Water Reactors (ML21250A378), and NRC Regulatory Guide 1.232, Guidance for Developing Principal Design Criteria for Non-Light Water Reactors (ML17325A611). The purpose of this meeting, like the previous one held on March 17, 2022, was for X-energy to present progress on their approach and to receive feedback from the NRC staff and address it prior submitting the information as a topical report for NRC staff review.

During the discussion, X-energy representatives described changes and respective rationale for consolidating several Modular High-Temperature Gas-Cooled Reactor Design Criteria (MHTGR-DC) into the Xe-100 PDC.

CONTACT: Lucieann Vechioli, NRR/DANU/UAL1 301-415-6035

W. Kennedy Following the open to the public portion of the meeting, X-energy continued their discussion that involved proprietary information in the closed portion of the meeting. In accordance with Management Directive 3.5, Attendance at NRC Staff-Sponsored Meetings (ML21180A271),

the portion of the meeting was closed because the discussion involved proprietary details related to the X-energy licensing strategy.

X-energy intends to continue to engage with the NRC staff on this and several other topics as part of the pre-application activities for the Xe-100 design. X-energy informed the NRC staff that contrary to previous notification of the plan of submitting a principal design criteria white paper and subsequently a topical report, X-energy decided that they will only submit a topical report regarding this topic. The topical report is scheduled to be submitted during summer of 2022.

There were no questions from the public at the end of the meeting.

Project No. 99902071

Enclosure:

List of Attendees

ML22187A233 NRR-106 OFFICE NRR/DANU/UAL1/PM NRR/DANU/UAL1/LA NRR/DANU/UAL1/BC(A NRR/DANU/UAL1/PM

)

NAME LVechioli DGreene WKennedy LVechioli DATE 7/7/2022 7/8/2022 7/20/2022 8/11/2022 List of Attendees PUBLIC MEETING REGARDING X ENERGY LLC: XE-100 PRINCIPAL DESIGN CRITERIA Wednesday, April 27, 2022 Name Organization Lucieann Vechioli-Feliciano U.S. Nuclear Regulatory Commission (NRC)

Ian Jung NRC Joseph Sebrosky NRC Boyce Travis NRC Michael Orenak NRC William Kennedy NRC Michelle Hayes NRC Meg Audrain NRC Charles Moulton NRC Ingrid Nordby X Energy, LLC Travis Chapman X Energy, LLC Steve Vaughn X Energy, LLC Raymond Wang X Energy, LLC Charlotte Geiger X Energy, LLC Jon Facemire X Energy, LLC Paul Loza X Energy, LLC Jill Monahan X Energy, LLC Jessica Maddocks X Energy, LLC Amanda Spalding X Energy, LLC Neil Haggerty X Energy, LLC Chip Moon X Energy, LLC Enclosure