Stephen A. Byrne. President, Generation & Transmission and COO South Carolina Electric & Gas Company Executive Vice President, SCANA

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1 Stephen A. Byrne President, Generation & Transmission and COO South Carolina Electric & Gas Company Executive Vice President, SCANA

2 VC Summer 2 & 3 Construction Powering the Future of South Carolina

3 And Then There Were Two 18 COL applications filed with NRC 5 suspended 1 converted to ESP, then suspended Some have foreign ownership issue Most still pursuing license 3

4 4 Fukushima Impacts Most countries perform Stress Tests, not USA US NRC 90 day review Operating plants are safe Recommend continue licensing AP1000 & ESBWR Equipment, staffing, procedures will change Orders from NRC issued March yr anniversary little fanfare in US We see no supply chain issues

5 Our Situation Glad to be regulated Glad permission granted prior to drop gas price Down economy good time to build Workforce available Inflation indices low Cost recovery legislation helpful Media only looking for problems Interveners are familiar & undeterred by facts Few that started will be here when plants online Even our friends question spent fuel plan

6 Underestimated Always in negotiations COL was limiting permit, but not by much Most suppliers unprepared - Appendix B Tour requests Need for instructors & operators early Simulator earlier than anticipated People want to be involved College & university support incredible

7 Fortunate Building in Pro-Nuclear State Oconee Lee Catawba V.C. Summer & Parr HB Robinson Westinghouse Fuels SRS Barnwell Navy Nuclear training 7

8 8 NRC License in Hand VC Summer is first Subsequent or S-COL under regulation; 10CFR Part 52

9 Perplexed by 4-1 Votes NRC guideline; COL 120 days from FSER Fukushima applicable either way License condition Orders to licensee Jaczko Svinicki Apostolakis Magwood Ostendorff 9

10 Steam Generators AP1000 Manufactured Equipment Pressurizer Passive Residual Heat Removal Heat Exchanger Core Makeup Tanks RCL surge line RCL hot leg RCL cold leg Accumulator Tanks 10 Reactor Vessel

11 Doosan South Korea

12 Steam Generators, Doosan South Korea Completed Fabrication of Upper Vessel - Unit 2A SG Completed Fabrication of Upper Vessel for Unit 2B SG Local PWHT on Channel Head to Lower Vessel - Unit 2A SG Profilometry (ECT) of Final Vessel - Unit

13 Accumulators, Mangiarotti - Italy ACT Tank 1 Welded to Skirt Unit 2 ACT Tank 2 Unit 2

14 PRHRHX, Mangiarotti - Italy PRHR Channel Head Welding Unit 2 PRHR Unit 2 Channel Head Welding Complete

15 Pressurizer, Mangiarotti - Italy PRZ Upper to Intermediate Shell Weld Grinding Unit 3 PRZ Lower Head Inconel Buildup Ongoing Unit 3 PRZ Lower Shell Unit 3

16 Upper Core Barrel Toshiba Japan July 2012

17 LPA Rotor, Toshiba - Japan July 2012

18 What s Going On At The Site Worlds largest derrick (crane) in use Training on simulators Completed CV lower bowl Erecting switchyard Receiving CA-20 submodules Erecting cooling towers Assembling condensers Poured 30,000 cu yds concrete Rebar cage assembly 18

19 Site Aerial Oct 2011

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21 Module Assembly Bldg Cooling Towers Unit #3 Contractor Parking Concrete Batch Plants

22 Over 30 Acres Switchyard

23 PIKE ELECTRIC PULLING 230 kv LINES TO SWITCHYARD

24 Unit 2A Cooling Tower

25 Containment Vessel Lower Bowl Containment Vessel Ring Unit 3 Excavation 25

26 2A cooling tower basin CR-10 Module 26

27 Containment Vessel Ring 27 27

28 Unit 2 Containment Vessel Ring

29 Forming- No Concrete placed March

30 Dental Concrete April 2012

31 Lower Mudmat Leveling Concrete June 2012

32 Nuclear Island Footprint Turbine Island Waterproof Membrane Mudmat

33 Unit 2 Nuclear Island Basemat Rebar Preassembly 33

34 Lower Bowl Goes Here North Rebar Cage South Rebar Cage Stick Build section

35 Unit 3 Power Block Excavation

36 BIGGE Heavy Lift Derrick (HLD) Pendant lines Tension column 280 foot back mast Rail 6000 ton counterweight 560 foot twin boom Lift capacity 7500 tons

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38 Fabrication; BIGGE crane & rigging co. 38

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40 The Simulator Challenge 40

41 Will the Kids Know How to Drive Them? My first car 1974 Ford Pinto Manual windows Manual brakes & steering 4 speed, 98 hp Choke Am with 8 track Dimmer switch Nav system 41

42 Generation Mix by Dispatch 2011 Generation Mix 2017 Generation Mix Hydro 3% Biomass 2% Hydro 4% Biomass 2% Nuclear 19% Gas 28% Nuclear 33% Gas 28% Coal 48% Coal 33% Non-emitting 22% Non-emitting 37% 2018 Generation Mix 2019 Generation Mix Hydro 4% Biomass 1% Hydro 4% Biomass 2% Gas 21% Gas 14% Nuclear 48% Coal 24% Coal 26% Nuclear 56% Non-emitting 52% Non-emitting 60% 42

43 Generation Mix by Capacity 2011 Capacity Mix Biomass 1% 2017 Capacity Mix Biomass 1% Nuclear 11% Hydro 14% Gas 30% Nuclear 22% Hydro 14% Gas 28% Coal 44% Coal 35% Non-emitting 25% Non-emitting 36% 2018 Capacity Mix Biomass 1% Hydro 13% Gas 28% Nuclear 31% Coal 27% Non-emitting 44% 43

44 44 Takeaways: COL issued March 30, 2012 Construction at the site is progressing well Must build what you license (Part52) vice licensing what you built (Part50) No COL or supply chain issues expected due to Japanese earthquake/tsunami Fortunate to build in supportive state with cost recovery mechanism

45 Thank You 45