ML25325A152
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| Date released: 12/17/2025 | Download: ML25325A152 |
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Letter Sequence ' | |
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CAC:000431, (Approved, Closed) | |
Initiation Administration Results
Other: ML20280A970, ML20343A224, ML21147A547, ML21160A221, ML21218A045, ML22018A300, ML23097A123, ML23097A127, ML24036A222, ML24036A224, ML24043A242, ML24043A244, ML24103A224, ML24212A030, ML24262A066, ML24297A138, ML25017A130, ML25023A086, ML25028A267, ML25101A297, ML25161A172, ML25209A071, ML25248A302, ML25248A303, ML25325A151 | |
MONTHYEARML21263A2362020-08-0505 August 2020
[Table View]Safety Evaluation by the Office of Nuclear Reactor Regulation Regarding the Terrapower, LLC Quality Assurance Topical Report Project stage: Approval ML20280A9702020-10-21021 October 2020 Terrapower - Acceptance Topical Report Quality Assurance Program Description Project stage: Other ML20294A3372020-11-10010 November 2020 Letter and Final Safety Evaluation for Kairos Power, LLC Topical Report-KP Fhr Risk-Informed Performance-Based Licensing Basis Development Methodology (Revision 1) (EPID No. L-2019-TOP-0009/CAC No. 000431) Project stage: Approval ML20343A2242020-12-0808 December 2020 Verification Letter of the Approval Version of Kairos Power LLC Topical Report KP-TR-O09-NP, - KP-FHR Risk-Informed Performance-Based Licensing Basis Development Methodology - (Revision 1) (CAC No. 000431) Project stage: Other ML21005A0152020-12-23023 December 2020 Revision to Terrapower, LLC - Quality Assurance Topical Report Project stage: Request ML21021A3642021-01-21021 January 2021 Enclosure 2: Presentation Materials About Construction Permit Application for the KP-FHR (Non-Proprietary) Project stage: Request ML21071A0822021-03-0808 March 2021 Kairos Power, LLC - Quality Assurance Program for the Kairos Power Flouride Salt-Cooled High Temperature Reactor Topical Report (Revision 1) Project stage: Request ML21071A0832021-03-31031 March 2021 Kairos Power, LLC - KP-TR-007-NP, Quality Assurance Program for the Kairos Power Flouride Salt-Cooled High Temperature Reactor Topical Report, Revision 1 (Non-Proprietary) Project stage: Request ML21105A5182021-04-15015 April 2021 Kairos Power LLC, Quality Assurance Program for the Flouride Salt-Cooled High Temperature Reactor Topical Report (Revision 2) Project stage: Request ML21117A0482021-04-26026 April 2021 Quality Assurance Program for the Kairos Power Flouride Salt Cooled High Temperature Reactor Topical Report, Revision 3 Project stage: Request ML21117A0472021-04-26026 April 2021 Kairos Power LLC, Quality Assurance Program for the Flouride Salt-Cooled High Temperature Reactor Topical Report(Revision 3) Project stage: Request ML21105A5192021-04-30030 April 2021 Kairos Power LLC, Quality Assurance Program for the Flouride Salt-Cooled High Temperature Reactor Topical Report Revision 2 Project stage: Request ML21148A2362021-05-28028 May 2021 Response to Request for Additional Information on NRCs Assessment of the Quality Assurance Program Description for Terrapower, LLCs Quality Assurance Topical Report Project stage: Response to RAI ML21147A5472021-06-0909 June 2021 Kairos Power Hermes Test Reactor Psotulated Events Audit Plan Project stage: Other ML21160A2212021-06-22022 June 2021 Letter SE Kairos Fuel Performance Methodology Topical Project stage: Other ML21183A2002021-07-0202 July 2021 Revised Response to Request for Additional Information on NRCs Assessment of the Quality Assurance Program Description for Terrapower, LLCs Quality Assurance Topical Report Project stage: Response to RAI ML21218A0452021-08-17017 August 2021 Kairos Hermes PSAR Pre-Submittal Audit Plan - Rev. 3 Project stage: Other ML21194A4392021-08-20020 August 2021 Draft Kairos Flibe Thermophisical Properties Audit Plan 6 30 21 Project stage: Draft Other ML21308A5972021-11-16016 November 2021 Enclosure - Safety Evaluation for Kairos Power LLC Topical Report KP-TR-007-NP, Quality Assurance Program for the Kairos Power Fluoride Salt-Cooled High Temperature Reactor, Revision 3 Project stage: Approval ML21308A5982021-11-16016 November 2021 Letter - Kairos Power, LLC - Safety Evaluation for Kairos Power, LLC Topical Report KP-TR-007-NP, Quality Assurance Program Project stage: Approval ML22018A3002022-01-21021 January 2022 Letter - NRC Feedback on Terrapower Advanced SER QAPD Project stage: Other ML22018A1612022-01-31031 January 2022 Kairos Power LLC, Kp& 8208;TR& 8208;004& 8208;NP, Regulatory Analysis for the Kairos Power Fluoride Salt-Cooled High Temperature Reactor, Rev. 4 Project stage: Request ML22024A4852022-02-0808 February 2022 OEDO-21-00545 -Safety Evaluation of the Kairos Power LLC Topical Report KP-TR-012-P, Revision 1, KP-FHR Mechanistic Source Term Methodology Project stage: Request ML22088A2312022-03-28028 March 2022 KP-TR-012-NP, Revision 3, KP-FHR Mechanistic Source Term Methodology Topical Report Project stage: Request ML22112A1332022-04-22022 April 2022 Kairos Power, LLC, Safety Evaluation for KP-TR-012 KP-FHR Mechanistic Source Term Methodology Topical Report, Revision 3 (EPID L-2020-TOP-0051/CAC 000431) Project stage: Approval ML22136A0892022-05-26026 May 2022 Safety Evaluation for Kairos Regulatory Analysis Topical Report Kp TR-004, Revision 4 Project stage: Approval ML22186A2132022-07-0505 July 2022 Kairos Power LLC, Fuel Qualification Methodology for Fluoride Salt-Cooled High Temperature Reactor (KP-FHR), Revision 2 Project stage: Request ML22216A1792022-07-29029 July 2022 Submission of X Energy, LLC (X-energy) TRISO-X Pebble Fuel Qualification Methodology Project stage: Request ML22265A2182022-09-21021 September 2022 Withdrawal of X Energy, LLC (X-energy) Xe-100 Topical Report: TRISO-X Pebble Fuel Qualification Methodology, Revisions 1 and 2 Project stage: Request ML22266A2862022-09-23023 September 2022 Submittal of Revised Terrapower, LLC Quality Assurance Topical Report, Revision 14 Project stage: Request ML22318A2362022-11-10010 November 2022 Submission of X Energy, LLC (X-energy) Xe-100 Licensing White Paper Probabilistic Risk Assessment Technical Adequacy Approach Project stage: Request ML23024A2632023-02-0808 February 2023 Staff Response to Advisory Committee on Reactor Safeguards Letter on Safety Evaluation of the Kairos TR Project stage: Request ML23048A3262023-03-0202 March 2023 Final Safety Evaluation for Kairos Fuel Qualification TR Project stage: Approval ML22327A1982023-03-0909 March 2023 Cover Letter – X Energy, LLC - Safety Evaluation of Xe-100 Topical Report, TRISO-X Pebble Fuel Qualification Methodology, Revision No. 3 Project stage: Approval ML22327A2012023-03-0909 March 2023 X Energy LLC - Safety Evaluation of XE-100 Topical Report TRISO-X Pebble Fuel Qualification Methodology Revision No. 3 (EPID No. L-2021-TOP-0011) - Redacted Project stage: Approval ML23062A7282023-03-13013 March 2023 Redacted Final Safety Evaluation of Metallic Material Qualification for the Kairos Power Fluoride Salt-Cooled High-Temperature Reactor (KP-TR-013) Project stage: Approval ML23062A7332023-03-14014 March 2023 Redacted Final Safety Evaluation of Graphite Material Qualification for the Kairos Power Fluoride Salt-Cooled High-Temperature Reactor (KP-TR-014) Project stage: Approval ML24325A3772023-03-20020 March 2023 Revised Draft SE Natrium EPZ TR Project stage: Draft Approval ML23116A1782023-05-0909 May 2023 Letter - Safety Evaluation of Quality Assurance Topical Report TP-QA-PD-0001, Terrapower QA Program Description, Revisions 13 and 14 Project stage: Approval ML23116A1832023-05-0909 May 2023 Enclosure - Safety Evaluation of Quality Assurance Topical Report TP-QA-PD-0001, Terrapower QA Program Description, Revisions 13 and 14 Project stage: Approval ML23097A1232023-05-31031 May 2023 Letter - X Energy, LLC - U.S. NRC Observations Regarding Xe-100 White Paper - Probabilistic Risk Assessment Technical Adequacy Approach Project stage: Other ML23097A1272023-05-31031 May 2023 Enclosure - X Energy, LLC – NRC Feedback Regarding Xe-100 Licensing White Paper Probabilistic Risk Assessment Technical Adequacy Approach (EPID L-2022-LRO-0150/CAC 000431) Project stage: Other ML23174A1752023-07-0606 July 2023 Transmittal Letter of Safety Evaluation for General Atomics Electromagnetic Systems Topical Report 30599T00005, Revision 2 Project stage: Approval PMNS20231071, Public Meeting Regarding the NRC Staffs Review of Kairos Instrument Setpoint Methodology Topical Report2023-09-25025 September 2023 Public Meeting Regarding the NRC Staffs Review of Kairos Instrument Setpoint Methodology Topical Report Project stage: Request ML23257A2592023-09-28028 September 2023 Terrapower, LLC - Final Safety Evaluation for Topical Report NATD-LIC-Report-0001, Regulatory Management of Natrium Nuclear Island and Energy Island Design Interfaces, Revision 0 (CAC: 000431 / EPID: L-2022-TOP-0045) Project stage: Approval ML23311A1392023-11-0606 November 2023 Terrapower, LLC, Transmittal of Topical Report, Radiological Release Consequences Methodology, Revision 0 Project stage: Request ML23333A0702023-12-18018 December 2023 Completeness Determination for Terrapower, Llc. Radiological Release Consequences Methodology Topical Report, Revision 0 Project stage: Request ML24036A2242024-02-13013 February 2024 Email Withholding Determination Als WEC Project stage: Other ML24036A2222024-02-13013 February 2024 NRC Form 897 Request for Withholding Proprietary Information WEC Evinci Als Topical Report Submitted on December 20, 2023 Project stage: Other ML24043A2422024-02-16016 February 2024 Westinghouse Electric Company - 898 NRC Form: NRC Staff Completeness Determination for Topical Report: Advanced Logic System v2 Platform Elimination of Technical Specification Surveillance Requirements Project stage: Other 2022-02-08 |
| ML25325A151 | |
| Person / Time | |
|---|---|
| Site: | 99900279 |
| Issue date: | 12/09/2025 |
| From: | Vechioli-Feliciano L NRC/NRR/DANU/UAL2 |
| To: | Schoedel A Westinghouse |
| Vechioli-Feliciano L | |
| References | |
| CAC 000431, EPID L-2023-TOP-0056 | |
| Download: ML25325A151 (0) | |
| ML25325A150 | |
| Person / Time | |
|---|---|
| Site: | 99902079 |
| Issue date: | 12/09/2025 |
| From: | Vechioli-Feliciano L NRC/NRR/DANU/UAL2 |
| To: | Westinghouse |
| Vechioli-Feliciano L | |
| References | |
| Download: ML25325A150 (5) | |
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