1. Independent Spent Fuel Storage Installation Expansion Southern California Edison, San Diego Gas & Electric, Cities of Anaheim and Riverside CDP Application #9-15-0228 October 6, 2015

2. 2 Placeholder for animation

3. Purpose & Need Continued safe storage of spent fuel onsite Dry storage is preferable over wet storage for retired plants Safe, secure, passive, economical system Current ISFSI nearing full capacity First step toward transfer of fuel offsite 3

4. 4 34 States have at least one ISFSI

5. Plant Layout 5

6. 6 Proposed Configuration

7. Holtec UMAX System 7 Concrete and Stainless Steel Lid

8. Oct 6, 2015: CCC meeting in Long Beach Nov 2015: Mobilize Construction Jan 2016: Start Construction Aug 2017: Complete Construction Mid-2019: Complete Offload of Fuel 8 ISFSI Project Milestones

9. SONGS co-participants respectfully request CCC approval of the proposed project Proven, safe, passive technology Preferable for retired nuclear plants First step to moving fuel offsite 9 Summary

10. Thank You

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12. 12 Onsite Location Alternatives Make-Up Demineralizer Area Reservoir Parking North Industrial Area K-Buildings South Yard

13. SONGS Spent Fuel CURRENT STATE EXPANDED ISFSI Spent Fuel Pools 2668 fuel assemblies To the DOE: 3855 fuel assemblies in 125 canisters FUTURE STATE 75 canisters (2668 fuel assemblies) + existing 50 canisters (1187 fuel assemblies) 13 Existing ISFSI 50 canisters (1187 fuel assemblies)

14. Proposed ISFSI with Existing Conditions 14

15. Proposed ISFSI with Sea Level Rise 2035 15

16. Proposed ISFSI with Sea Level Rise 2051 16