1. Decommissioning San Onofre
LOW-LEVEL RADIOACTIVE WASTE FORUM, INC.
Decommissioning San Onofre
Stevie Vaughan
Site Characterization & License Termination Manager
April 13, 2016

2. SONGS Aerial View 2

3. SONGS Aerial View

4. SONGS Plant Detailed View

5. Decommissioning Principles
Safety
Stewardship
Engagement 5

6. Decommissioning Principles
With our co-owners, Southern California Edison is committed to:
Safety
Safely decommissioning San Onofre
Safely move the power plant’s used fuel into dry cask storage, until government approved long-term storage options are available
Stewardship
Leave the community better off
Spending Nuclear Trust Funds wisely
Return any unused money to ratepayers
Engagement
Decommissioning process is inclusive, forward-thinking, involving diverse stakeholders

7. SONGS Decommissioning Plan

8. 20 Year Timeline

9. Project Milestones

10. Milestones Date Milestone June 7, 2013 July - December 2013
Decision to retire Units 2 and 3
July - December 2013
Transition to decommissioning staffing, from 1500 to 500 people
Initial planning for decommissioning
January- December 2014
Developed 20 Year Decommissioning Plan
Community Engagement Panel
Awarded Independent Spent Fuel Storage Installation (ISFSI) contract
Major NRC submittals
California Public Utility Commission DCE submittal
January- December 2015
Decommissioning staffing reduced from 500 to 325 people
Implemented Defueled Emergency Plan & Technical Specifications
Coastal Commission approval for ISFSI Pad Expansion
State Lands Commission application and California Environmental Quality Act (CEQA) review

11. Used Fuel Storage and Management

12. Used Fuel Storage

13. ISFSI Proposed Expansion
Existing ISFSI
ISFSI Expansion

14. Decommissioning Cost Estimate

15. Decommissioning Cost Estimate
Total estimate = $4.411 Billion (100% share, 2014$$)
Current trust fund balances expected to fully fund decommissioning

16. Estimated Waste Types/Amounts (Volumes noted from DCE)

17. Community Engagement

18. Community Engagement Community Engagement Panel
Decommissioning Education Fairs
SONGS VIP Tours
Public Walking Tours of SONGS
SCE Speakers Bureau
(Website)
Media

19. Lessons Learned

20. Lessons Learned Transition to decommissioning staffing
Quickly, with integrity and compassion
Change management, anticipate gaps due to rapid
de-staffing
Community engagement
Transparent, “plain English”
Broader use of experts – include all different perspectives
Timely regulatory submittals

21. Lessons Learned Communication with the NRC
Open and frequent communication with Region and Headquarters
Retirement of plant systems and equipment
Prompt action to remove hazardous waste off-site
Down-powering of energized systems

22. Acronyms Post-Shutdown Decommissioning Activities Report (PSDAR)
Irradiated Fuel Management Plan (IFMP)
Decommissioning Cost Estimate (DCE)
Permanently Defueled Emergency Plan (PDEP)
Permanently Defueled Technical Specifications (PDTS)
Decommissioning Trust Fund (DTF)
Spent Fuel Pool Islanding (SFPI)
Independent Spent Fuel Storage Installation (ISFSI)
Coastal Development Permit (CDP)
California Coastal Commission (CCC)
State Lands Commission (SLC)