ACCEPTED of 15 FOR PROCESSING Update on Atlantic Coast Pipeline - 2019 DUKE Piedmont December

ENERGY, 16 4:57 PM - SCPSC Public Service Commission of (PSCSC) - Allowable Ex Parte Briefing Communication ND-2019-35-G NDI 2019-35-G December 11, 2019 - Page 1 ACCEPTED of 15

Ex Parte Briefing: ACP Project Update ENERGY. 5%I N t I G., FOR INTRODUCTION Harrison Co., WV . ACP is a proposed 600 mile interstate pipeline project PROCESSING designed to bring critical natural gas infrastructure and supply to the southeast/mid-Atlantic region. . Owners: - 2019 . Dominion Energy . December . Southern

. Primary Customers 16 4:57 . Duke Energy – Duke Energy Carolinas/Duke Energy Progress PM - – Piedmont Natural Gas SCPSC . Dominion - – Power ND-2019-35-G – PSNC . Southern Robeson Co., NC -

– Virginia Natural Gas Page 2 2 ACCEPTED of 15

ENERGY. 5%I N t I G., FOR PROCESSING - 2019 Legal Update December 16 4:57 PM -

Brian S. Heslin SCPSC Deputy General Counsel - ND-2019-35-G - Page 3 3 ACCEPTED of 15

Legal Update ENERGY. 5%I N t I G., FOR Overview of Notable Legal Challenges in the Courts and Regulatory Agencies PROCESSING

4th Circuit Panel Cases (Richmond, VA) Appalachian Trail Crossing - . Agency: U.S. Service 2019 th

. On December 13, 2018, the 4 Circuit vacated the Special Use Permit, Plan Amendments and December authorization to cross the Appalachian Trail . Opinion: http://www.ca4.uscourts.gov/opinions/181144.P.pdf . On October 4, 2019, the U.S. Supreme Court (SCOTUS) agreed to hear petitions of the U.S. 16 4:57 Solicitor General and ACP seeking a review of the Appalachian Trail decision . Expect SCOTUS to hear oral arguments February 2020 and a decision Summer 2020 PM - SCPSC Blue Ridge Parkway ROW Permit - . Agency: National Park Service ND-2019-35-G . On August 6, 2018, the 4th Circuit vacated the original National Park Service Right of Way (ROW) Permit .

Opinion: http://www.ca4.uscourts.gov/opinions/181082.P.pdf - Page . The second ROW Permit has been remanded back to the agency 4 4 ACCEPTED of 15 Legal Update ENERGY. 5%I N t I G., FOR Overview of Notable Legal Challenges in the Courts and Regulatory Agencies PROCESSING

4th Circuit Panel Cases (Continued) Biological Opinion - . Agency: Fish and Wildlife Service 2019

. On July 26, 2019, the 4th Circuit vacated the second FWS Biological Opinion December . Opinion: http://www.ca4.uscourts.gov/Opinions/182090.P.pdf 16

Air Permit for Buckingham Station 4:57 . Agency: Virginia State Air Pollution Control Board PM - . Oral arguments heard on October 29, 2019; expect decision by January 2020 SCPSC - Washington DC Federal Circuit ND-2019-35-G FERC Certificate (FERC) . On October 4, 2019, the DC Circuit placed the appeals in abeyance pending the -

outcome of the SCOTUS appeal Page 5 5 ACCEPTED of 15

ENERGY. 5%I N t I G., FOR PROCESSING - 2019

ACP Customer Panel December 16

Sasha Weintraub 4:57

Senior Vice President, Natural Gas Business PM - SCPSC -

Joseph McCallister ND-2019-35-G Managing Director, System Optimization Fuels and Systems Optimization Department - Page 6 6 ACCEPTED of 15

Interstate Natural Gas Infrastructure & Supply Access ENERGY. 5%I N t I G., FOR PROCESSING

Marcellus/Utica Zone 6 Shale 210

195 - 2019 December Atlantic Zone 5 Coast Pipeline 16

Zone 4 4:57 Mid-Continent Shale PM Station 85 - Zone 3 SCPSC Transco Northern Market Zone 2 Transco Southern Market -

Eagle Ford Shale Zone 1 Atlantic Coast Pipeline ND-2019-35-G

. The Carolinas are currently supplied primarily by one interstate pipeline. - Page 7 7 ACCEPTED of 15

ACP Business Drivers and Benefits ENERGY. 5%I N t I G., FOR

. Additional interstate pipeline infrastructure is required to: PROCESSING . Support Duke Energy Carolinas (DEC) and Duke Energy Progress (DEP) current and future gas-fired generation needs.

. Support Piedmont’s natural gas demand growth and system infrastructure - 2019 requirements. December . Diversification needed to provide: . Competitive pipeline capacity alternatives. 16

. Increase in flexibility and enhancement to reliability of the Carolinas’ infrastructure. 4:57

. Access to low cost shale gas supplies in growing production region of Marcellus and PM -

Utica shale. SCPSC . Summary DEC/DEP/Piedmont drivers and benefits: - . Required to meet existing and growing needs ND-2019-35-G . Price advantages of having both new supply points and pipeline options. . New source of high pressure gas. - Page . Increase in operational flexibility and reduction of risk of pipeline issues. 8 8 ACCEPTED of 15

Atlantic Coast Pipeline (ACP) Overview ENERGY. 5%I N t I G.,

Structure: Harrison Co., WV FOR . DEC, DEP and Piedmont Natural Gas have 20-Year Commitments. PROCESSING Project Highlights: . ~600 mile FERC regulated pipeline extending from Marcellus and Utica shale to VA and NC . Initial pipeline capacity of 1.5 Bcf/day with potential future expansion to 2 - Bcf/day 2019 .

Additional access to Dominion South Pool and various Dominion receipt December points via DTI Supply Header Project (SHP) Project Facilities:

. 42-inch diameter in and Virginia, 36-inch diameter in North 16

Carolina, 4:57 . 20-inch diameter lateral extension from Virginia- boarder PM to Hampton Roads - . Three gas-fired compressor station locations SCPSC  Lewis County, WV,

 Buckingham County, VA - ND-2019-35-G  Northampton County, NC Primary Delivery Points: . Transco Zone 5 north of compressor station165 . Interconnects into Piedmont system in NC (1) Johnston Co. (2) Robeson Co., NC - Page Cumberland Co. (3) Robeson Co. 9 9 ACCEPTED of ACP Firm Transportation Customers 15 ENERGY. 5%I N t I G., FOR

. Total Initial Firm Transportation Capacity less than approximately 1,400,000 MMBtu/day. PROCESSING

. 20-Year commitments. - 2019

. Firm Transportation Customers on ACP (estimated volumes in MMBtu/day): December . DEC and DEP - 725,000 16 4:57

. Virginia Power (Dominion) - 300,000 PM - SCPSC . Piedmont Natural Gas - 160,000 - ND-2019-35-G . Virginia Natural Gas (Southern) - 75,000

. PSNC and Others - < 150,000 - Page 10 10 ACCEPTED of Duke Regulated Electric Natural Gas Usage Trends 15 and Forecast FOR PROCESSING 500 470 476

450 435 406 400 - 2019 350 346

goto December 300 g(O+ cO 250

16 200 e1@'go 4:57

150 PM -

100 SCPSC

50 30 - ND-2019-35-G

D D D+ D~ Forecasted gas burns include owned and tolled generating units and are estimates (as -

of 10/15/2019) that are subject to change over time. Page Previous years are unaudited actuals of owned and tolled facilities gas usage. 11 11 ACCEPTED of 15

U.S. Natural Gas Production from Shale Reservoirs ENERGY. 5%I N I G., r Monthly dry shale gas production FOR

billion cubic feet per day PROCESSING

October 2019 75 aMarcellus (PA, WV,OH 8 NY) ~72 BCF/day of total shale production 70 ~ Permian (TA; & Nh1) 65 ~ Utica (OH, PA & WV) 60 - ~ Haynesville (LA k TX) 2019 ~ Eagle Ford (TXI 55

~ Barnett (TX'I Marcellus/Utica 59 December a A'+alford (OK) October 2019:~31 BCF/Day 45 6akken (ND 8 MT) 40 ~ Niabrara-Cadell (CU & WY)

35 16 ~ Mi~siasippia A (OK) ~ Fayetteville (AR) M 4:57 ~ Aas.t. of US 25 PM 20

- 'shale'005 35 SCPSC 'l6

5 - 0 ND-2019-35-G 2007 2069 .2011 2013 20'J5 2917 2419 Sources EIA derived ham stale administrative data collected by Dril.'inglnfo Inc. Data are throUgh Qclober 2019 and represent EIA'a official tighr gas estimates, but are not

~ - CI @I survey data. Kate ablvaviations indicate primary elate(sj Page 12 12 ACCEPTED of Winter Natural Gas Price Volatility 15 ENERGY. 5%I N I G., January 2018 Prices r . Winter natural gas prices have been very volatile - Polar Vortex in 2014, January 2018. FOR . Spot daily price for natural gas delivered in Carolinas above $120/mmBTU. PROCESSING – Burned approximately 43 million gallons of fuel oil. . Dominion South prices significantly lower . - . Market prices in January 2018 responded to scarcity of pipeline capacity into Carolinas 2019 and not lack of natural gas supply. December

$ 140 16 ~ $ 120 4:57 $ 100 PM $80 Transco Zone 5 - — SCPSC $60 South 0 $40

$20 —Dominion - South ND-2019-35-G x $0

QS

b K~ Kb

Gas Flow Date - Page 13 13 ACCEPTED of Illustrative Map: Piedmont System, ACP and Transco 15 ENERGY. 5%I N t I G., FOR PROCESSING

9 2 - 2019 1

10 December 7 8

5 16 4:57

3 PM 1 DEC–Buck Steam

6 -

2 DEC–Dan River SCPSC 3 DEP–Smith Energy Complex 4 4 DEP–Sutton 5 DEP–H.F. Lee/Wayne -

6 DEC–W.S. Lee ND-2019-35-G PSNC Served Plants 7 DEP–Asheville Piedmont Served Plants 8 DEC–Cliffside DFO 9 DEC–Belews Creek DFO Slide does not include all Duke generation sites. 10 DEC–Marshall DFO -

The ACP delivery points into Piedmont’s system allow Piedmont to efficiently make redeliveries of the Page 14 natural gas to Duke and PSNC facilities. 14 ACCEPTED of 15

ENERGY. 5%I N t I G., FOR PROCESSING - 2019 December

Questions? 16 4:57 PM - SCPSC - ND-2019-35-G - Page 15 15