Plant-Specific Actions in Response to the Japan Nuclear Accident: Monticello Nuclear Generating Plant, Unit 1

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Photograph of Monticello

NRC Documentation and Acknowledgement of Completion

Monticello Nuclear Generating Plant, Unit 1 – Documentation of the Completion of Required Actions Taken in Response to the Lessons Learned from the Fukushima Dai-ichi Accident

Orders and Requests for Information Licensee Responses/Submittals

Orders
Order for Mitigation Strategies to Respond to Extreme Natural Events Resulting in the Loss of Power at Plants Details Licensee Integrated Plan (due February 28, 2013) NRC Interim Staff Evaluation of Integrated Plans NRC Audit Plan NRC Audit Report Licensee Extension Request NRC Response to Extension Request Licensee Compliance Letter and Final Integrated Plan NRC Safety Evaluation of Integrated Plan NRC Inspection Report Status Updates by Licensee 1st update (due October 30, 2012) 2nd update (due September 1, 2013) 3rd update (due February 28, 2014) 4th update (due September 1, 2014) 5th update (due February 28, 2015) 6th update (due September 1, 2015)


Modified Order for Ensuring Reliable Hardened Containment Vents Details Licensee Phase 1 Integrated Plan (due June 30, 2014) NRC Interim Staff Evaluation of Phase 1 Integrated Plan Licensee Phase 2 Integrated Plan (due December 31, 2015) NRC Interim Staff Evaluation of Phase 2 Integrated Plan NRC Audit Report NRC Audit Report Correction Licensee Compliance Letter and Final Integrated Plan NRC Safety Evaluation of Integrated Plan NRC Inspection Report Status Updates 1st update (due December 31, 2014) 2nd update (due June 30, 2015) 3rd update (due December 31, 2015) 4th update (due June 30, 2016) 5th update (due December 31, 2016) 6th update (due June 30, 2017) 7th update (due December 31, 2017) 8th update (if needed) (due June 30, 2018) 9th update (if needed) (due December 31, 2018)


Order for Enhancing Spent Fuel Pool Instrumentation Details Licensee Integrated Plan (due February 28, 2013) NRC Interim Staff Evaluation of Integrated Plans NRC Audit Report Licensee Compliance Letter NRC Safety Evaluation of Integrated Plan NRC Inspection Report Status Updates by Licensee 1st update (due October 30, 2012) 2nd update (due September 1, 2013) 3rd update (due February 28, 2014) 4th update (due September 1, 2014) 5th update (due February 28, 2015)

Request for Information
Request for Information for Seismic and Flooding Reevaluations and Walkdowns, and Reevaluations of Emergency Communications Systems and Staffing Levels Details Seismic Reevaluations Details Licensee Hazard Evaluation NRC Staff Assessment of Hazard Evaluation Licensee Expedited Seismic Evaluation Process (ESEP) Report NRC Staff Assessment of ESEP Report Limited Scope Evaluations (as applicable for each reactor site) Licensee High Frequency Evaluation NRC Staff Assessment of High Frequency Evaluation Licensee Spent Fuel Pool Evaluation NRC Staff Assessment of Spent Fuel Pool Evaluation Licensee Seismic Probabilistic Risk Assessment (SPRA) Report (if required) NRC Staff Assessment of SPRA Report Licensee Reevaluated Hazard (Seismic) Mitigating Strategies Assessment NRC Staff Response to Reevaluated Hazard (Seismic) Mitigating Strategies Assessment Flooding Reevaluations Details Licensee Flooding Hazard Reevaluation Report NRC Flooding Audit Plan NRC Flooding Audit Report NRC Interim Staff Response to Reevaluated Flood Hazards NRC Staff Assessment of Flooding Hazard Reevaluation Report Licensee Reevaluated Hazard (Flooding) Mitigating Strategies Assessment NRC Response to Reevaluated Hazard (Flooding) Mitigating Strategies Assessment Licensee Focused Evaluation NRC Staff Assessment of Focused Evaluation Seismic Walkdowns Details Licensee Response NRC Evaluation of Licensee Seismic Walkdown NRC Inspection Report Flooding Walkdowns Details Licensee Response NRC Evaluation of Licensee Flooding Walkdown NRC Inspection Report Reevaluations of Emergency Communications Systems Details Licensee 60-day Schedule Deviations Licensee Communication Assessment Licensee Communication Assessment Supplement NRC Evaluation of Communication Assessment Reevaluations of Staffing Levels Details Licensee 60-day Schedule Deviations Licensee Response to Staffing Items 3-5 Licensee Phase 1 Staffing Assessment (applicable only to multi-unit sites) NRC Evaluation of Phase 1 Staffing Assessment Licensee Phase 2 Staffing Assessment NRC Evaluation of Phase 2 Staffing Assessment

Page Last Reviewed/Updated Tuesday, September 08, 2026