TRISO-X

Life cycle timeline showing current status, consisting of 6 various stages of status (Pre-Licensing, Licensing, Construction, Operating, Operating with Intent to Decommission, Decommissioning) with the current status (Licensing) shown with color background and white text, and the other available statuses are greyed out

Artist's rendering of proposed TRISO-X, Fuel Fabrication Facility, Oak Ridge, TN  

Location: Oak Ridge, TN
Licensee: TRISO-X, LLC
License Number: TBD
License Expires: TBD
Docket Number: 07007027

Facility Type: Uranium Fuel Fabrication
Facility Status: Licensing Application

Press Releases
Upcoming Meetings
Past Meetings

Triso-X Dashboards

Facility Information
Documentation License Application Announcements Automatic Email Distributions (ListServ) NRC Contacts
  • Safety Project Manager
    Matt Bartlett (301-415-7154)
    and Jonathan Rowley (301-415-4053)
  • Environmental Project Manager
    Jill Caverly (301-415-7674)
    and Marla Morales (301-415-0715)
  • Public Affairs:
    800-368-5642 or 301-415-8200
Related Information​
Review Process
Safety and Safeguards Review Environmental Review
Application (Completed)
  • Safety and safeguards report was received on April 12 and updated November 8, 2022
Acceptance (Completed)
  • NRC accepted the application for docketing on November 18, 2022
Develop Safety and Safeguards Evaluation Report (In Process)
  • Develop Requests for Additional Information
  • Develop Draft Safety Evaluation Repot
Construction at Risk:
Application (Completed)
  • Environmental report was received September 26, 2022
Acceptance (Completed)
  • NRC accepted the application for docketing on November 18, 2022
Develop Environmental Impact Statement (In Process)
Key Documents for the Environmental Review
(Note: Documents applicable to safety, safeguards, and environmental are listed in both tables.)
Date Document Title
February 4, 2022 TRISO-X] Request for an Exemption Pursuant to 10 CFR 70.17 and 10 CFR 51.6 from the Requirements of 10 CFR 51.60(a) and 70.21(1) for Timing of Submittal of the Environmental Report for the TRISO-X Fuel Fabrication Facility (ML22039A050)
March 17, 2022 [NRC] Approval of TRISO-X Exemption Request to Support Submittal of the Safety and Safeguards Analysis Report in Advance of the Environmental Report (ML22055A559)
September 29, 2022 [TRISO-X] Fuel Fabrication Facility Environmental Report Submittal (ML22266A269)
November 18, 2022 [NRC] Acceptance of the TRISO-X, LLC License Application for a Fuel Fabrication Facility (ML22320A110)
December 16, 2022 [NRC] TRISO-X Environmental Impact Statement Notice of Intent Federal Register Notice (FR87 Pg. 77146-77148)
January 25, 2023 [NRC] - Official Transcript of Environmental Scoping Meeting for an Application for a Special Nuclear Material License for the TRISO-X Proposed Fuel Fabrication Facility at Oak Ridge, Pages 1-54
March 17, 2023 NRC] Request for Additional Informaiton for the Application from TRISO_X, LLC for a Special Nuclear Material license for a Fuel Fabrication Facility in Oak Ridge, Tennessee
April 14, 2023 [TRISO-X] TRISO-X, LLC, Response to Requests for Additional Information on the Environmental Report for the Proposed Fuel Fabrication Facility
November 20, 2023 [NRC] Request for Additional Information Part 2-1 for the Environmental Report for the Proposed Fuel Fabrication Facility
December 13, 2023 [NRC] Request for Additional Information Part 2-2 for the Environmental Report for the Proposed Fuel Fabrication Facility
December 20, 2023 [TRISO-X] Response to Request for Additional Information Part 2-1 
January 8, 2024 [NRC] Scoping Summary Report
Key Documents for the Safety and Safeguards Review
(Note: Documents applicable to safety, safeguards, and environmental are listed in both tables.)
Date Document Title
February 4, 2022 [TRISO-X] Request for an Exemption Pursuant to 10 CFR 70.17 and 10 CFR 51.6 from the Requirements of 10 CFR 51.60(a) and 70.21(1) for Timing of Submittal of the Environmental Report for the TRISO-X Fuel Fabrication Facility (ML22039A050)
March 17, 2022 [NRC] Approval of TRISO-X Exemption Request to Support Submittal of the Safety and Safeguards Analysis Report in Advance of the Environmental Report (ML22055A559)
April 4, 2022 [TRISO-X] Fuel Fabrication Facility License Application Submittal (ML22101A200)
August 9, 2022 [NRC] Requests for Supplemental Information for the Acceptance Review of the TRISO-X, LLC License Application for a Fuel Fabrication Facility (ML22166A041)
October 13, 2022 [NRC] Email Summary of Calls with TRISO-X to Discuss Draft Responses to the Requests for Supplemental Information (ML22291A057)
October 13, 2022 [TRISO-X] PART 1 – Response to Requests for Supplemental Information for the Acceptance Review of the TRISO-X Fuel Fabrication Facility License Application Submittal (ML22286A144)
November 4, 2022 [TRISO-X] Part 2 – License Application and ISA Summary Changes Associated with Responses to Requests for Supplemental Information for the Acceptance Review of the TRISO-X Fuel Fabrication Facility License Application Submittal (ML22308A251)
November 18, 2022 [NRC] Acceptance of the TRISO-X, LLC License Application for a Fuel Fabrication Facility (ML22320A110)
February 3, 2023 [NRC] Federal Register notice for the TRISO-X license application; opportunity to request a hearing and to petition for leave to intervene; order imposing procedures, docket number Docket No. 70–7027; NRC–2022–0209, (FR88 Pg. 7473-7478).
May 31, 2023 [NRC] Request for Additional Information of the TRISO-X, LLC License Application for a Fuel Fabrication Facility (Set 1): Programmatic RAIs for Human Factors, Quality Assurance, and Structural (ML23127A011).
July 27, 2023 [NRC] Request for Additional Information of the TRISO-X, LLC License Application for a Fuel Fabrication Facility (Set 2): Chp 1, 2, Emergency Plan (ML23198A257).
July 28, 2023 [TRISO-X] Response to Request for Additional Information (Set 1) for the TRISO-X, LLC License Application for a Fuel Fabrication Facility - [Management Measures/Quality Assurance (5), Human Factors (1), and Structural (2)] (ML23209A821).
August 18, 2023 [TRISO-X] Supplemental Response to Request for Additional Information Question 3-2 (Set 1) for the TRISO-X License Application [Structural] (ML23230B200).
August 25, 2023 [TRISO-X] Response to Request for Additional Information (Set 2) for the TRISO-X License Application [General Information (15), Organization and Administration (8), Emergency Responses (3)] (ML23237B484).
August 28, 2023 [NRC] Request for Additional Information of the TRISO-X, LLC License Application for a Fuel Fabrication Facility (Set 3): ISA Summary (Programmatic) and Security (ML23230B190).
September 15, 2023 [TRISO-X] Supplemental Response to Chapter 1 RAI-10 and RAI-11 (Set 2) for the TRISO-X License Application [General Information] (ML23258A175).
October 12, 2023 [TRISO-X] Response to Request for Additional Information Set 3 (ISA and Security) for the TRISO-X License Application [Integrated Safety Analysis (9) and Security (12)] (ML23285A344).
November 8, 2023 [TRISO-X] Response to Request for Additional Information (Set 4) for the TRISO-X [Geotechnical (6) and Hydrological (6)] (ML23312A338).

Page Last Reviewed/Updated Friday, September 01, 2023