ML25069A449

RIC 2025 - Tony Nakanishi - Power Uprate Review Readiness_Final_

ML25069A449
Person / Time
Issue date:	04/22/2025
From:	Tony Nakanishi Division of Operating Reactor Licensing
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RIC 2025
Download: ML25069A449 (1)

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Power Uprate Review Readiness Tony Nakanishi Acting Chief Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation

Why Are We Here?

Power Uprate Forecast

• 70% of sites looking at one or more power uprates

• Combined capacity increase of 3 gigawatts electric (GWe)

Past Review Data Indicators 0

2000 4000 6000 8000 10000 12000 14000 1995 1998 2001 2004 2006 2009 2012 2014 2017 2020 2023 Hours Resources MUR SPU EPU 0

20 40 60 80 1995 2001 2006 2012 2017 2023 Months Review Times MUR SPU EPU

NRCs Experience with Power Uprates

• Approved 172 power uprate applications (8 GWe)

• Established processes

• Lessons learned from previous uprate reviews

• Resolution of technical issues (e.g., containment accident pressure)

Power Uprate Working Groups Preliminary Recommendations Continued Engagement with Stakeholders

• Public Meetings in June, September and November 2024

• Future Public Meetings

• Graded Approach

• Standardized Applications

• MUR using DVR Adopt a Graded Approach

• Evaluate PUR impact on review areas and bin them into:

• Bin 1 - minimal review

• Bin 2 - limited review

• Bin 3 - comprehensive review Continued Process Improvements in Targeted Areas

• ACRS Coordination

• Environmental assessments

• Project management tools

• Leveraging audits and inspections

• Updating PUR guidance

NRC Review Goals Measurement Uncertainty Recapture (MUR) 6 Months Stretch Power Uprate (SPU) 9 Months Extended Power Uprate (EPU) 12 Months

• NRR Power Uprate Office Instruction LIC-112

• EPU/SPU Review Standard RS-001

Future Power Uprate Applications

• Power uprate applications combined with other supporting changes

• Potential savings in overall schedule and review effort

• Continuing to engage industry via workshops and pre-application meetings Power Uprate Fuel Transition MELLLA+

24-Month Fuel Cycle Other Licensing Actions

Key Takeaways

• NRC is committed to efficient power uprate licensing

• NRC issued Regulatory Issue Summary on power uprate

• Future public engagements

• Use of data validation and reconciliation (DVR) methods for MURs

• Graded approach/binning

• Standardized applications

• Safety evaluation templates