VIA ELECTRONIC FILING

The Honorable Jocelyn Boyd Chief Clerk/Administrator

November 19, 2018

Public Service Commission of South Carolina 101 Executive Center Drive Columbia, SC 29210

K. Chad Burgess

Director & Deputy General Counsel

chad.burgess@scana.com

Re: Friends of the Earth and Sierra Club, Complainant/Petitioner v. South Carolina Electric & Gas Company, Defendant/Respondent Docket No. 2017-207-E

Request of the South Carolina office of Regulatory Staff for Rate Relief to SCE&G Rates Pursuant to S.C. Code Ann.§ 58-27-920 Docket No. 2017-305-E

Joint Application and Petition of South Carolina Electric & Gas Company and Dominion Energy, Inc. for review and approval of a proposed business combination between SCANA Corporation and Dominion Energy, Inc., as may be required, and for a prudency determination regarding the abandonment of the V.C. Summer Units 2 & 3 Project and associated merger benefits and cost recovery plans Docket No. 2017-370-E

Dear Ms. Boyd:

Enclosed for filing on behalf of South Carolina Electric & Gas Company is Late­filed Exhibit No. 134 as requested by the Public Service Commission of South Carolina during the questioning of witness Allen W. Rooks.

By copy of this letter and per the electronic service agreement in the above­captioned dockets, we are serving a copy of this late-filed exhibit on the parties of record.

(Continued . .. )

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POWER FOR LIEOEG K. Chad BurgessDirector & Deputy General Counsel

chad.bur ess scana.corn

November 19, 2018

VIA ELECTRONIC FILING

The Honorable Jocelyn BoydChief Clerk/AdministratorPublic Service Commission of South Carolina101 Executive Center DriveColumbia, SC 29210

Re: Friends of the Earth and Sierra Club, Complainant/Petitioner v. SouthCarolina Electric & Gas Company, Defendant/RespondentDocket No. 2017-207-E

Request of the South Carolina office of Regulatory Staff for Rate Relief toSCE&G Rates Pursuant to S.C. Code Ann. ) 58-27-920Docket No. 2017-305-E

Joint Application and Petition of South Carolina Electric & Gas Companyand Dominion Energy, Inc. for review and approval of a proposed businesscombination between SCANA Corporation and Dominion Energy, Inc., asmay be required, and for a prudency determination regarding theabandonment of the V.C. Summer Units 2 & 3 Project and associated mergerbenefits and cost recovery plansDocket No. 2017-370-E

Dear Ms. Boyd:

Enclosed for filing on behalf of South Carolina Electric & Gas Company is Late-filed Exhibit No. 134 as requested by the Public Service Commission of SouthCarolina during the questioning of witness Allen W. Rooks.

By copy of this letter and per the electronic service agreement in the above-captioned dockets, we are serving a copy of this late-filed exhibit on the parties ofrecord.

(Continued... )

2 0 1 8

P a e 2

If you have any questions, please advise.

KCB/kms Enclosure

Very truly yours,

(etc.~ K. Chad Burg

cc: All parties of record in Docket No. 2017-207-E All parties of record in Docket No. 2017-305-E All parties of record in Docket No. 2017-370-E

(via electronic mail only w/enclosure)

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The Honorable Jocelyn BoydNovember 19, 2018Pa e2

If you have any questions, please advise.

Very truly yours,

K. Chad Burg

KCB/kmsEnclosure

cc: All parties of record in Docket No. 2017-207-EAll parties of record in Docket No. 2017-805-EAll parties of record in Docket No. 2017-870-E

(via electronic mail only w/enclosure)

E x h i b i t No. 1 3 4

Page 1 o f 2

Dominion Energy Plans Comparison

• $1.38 up-front cash payment

- -$1,000 to average residential customer

• $575M refunds over -8 years

• $3.3278 NND rate base recovered over 20 years

- Exclude from recovery $1.4038 capital costs

• 1 0.25o/o ROE

• 5.85°/o cost of debt

• $180M CCGT excluded from rates

• $361M regulatory assets excluded from rates

• Estimated typical residential bill of -$137 /month

• $1.038 refunds over 20 years

• $880M refunds over -10 years

• $2.7728 NND rate base recovered over 20 years

- Exclude from recovery $1.9588 capital costs

• 9.9o/o ROE

• 5.56°/o cost of debt

• $180M CCGT excluded from rates

• $361M regulatory assets excluded from rates

• Estimated typical residential bill of $126. 96/month

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Dominion Energy Plans ComparisonLate-filed Exhibit No. 134

Page 1 of 2

'nA$ 1.3B up-front cash payment

— -$1,000 to average residentialcustomer

$575M refunds over -8 years$3.327B NND rate base recoveredover 20 years

Exclude from recovery $ 1.403Bcapital costs

10.25% ROE

5.85% cost of debt

$ 180M CCGT excluded from rates$361M regulatory assets excludedfrom ratesEstimated typical residential bill of-$137/month

Plan B

~ $ 1.03B refunds over 20 years

$880M refunds over -10 years$2.772B NND rate base recoveredover 20 years

Exclude from recovery $ 1.958Bcapital costs

9.9% ROE

5.56% cost of debt

$ 180M CCGT excluded from rates$361M regulatory assets excludedfrom ratesEstimated typical residential bill of$ 126.96/month

typical residential electric bill Page

2

o t

2

Summary by plan

Estimated NND portion of typical residential electric bill (excluding transmission) ~ - ·-~

$25.10

$17.97 $13.64

r------------~ r---------- -- ~ r-------- ---- ~ I I I I I I

: $147.53 : : $140.40 : : $136.07 : I I I I I I

I_- -- -- -- --- - _ I I_- --- -- -- -- -_I I_ - - --- --- -- -_I

+ -$11000 up front

check

r------------~

I I

: $135.64 : I I

,_- - - - - - - - - -- -·

$2.91

r- - ----------~ r-- - ---------~

I I I I

: $126.96 : : $125.34 : ,_ - - - - - - - - -- - _, ·-- -- --- -- -- - _,

May 2017 Typical Bill

SCE&G SCE&G Joint Applicants Joint Applicants H.4375 Base Plan 1 No Merger Customer Alternative

Benefits Plan1

Benefits Plan1'2

Plan 1

f --o~-~~t~~-t~t~i--1 Plan A Plan B I

: bill I

• --------------------- _I

$5.34

r------ - -----~

I I

: $127.77 : I I

{$5.83) ,_--------- -- -· H. 4375 w/Tax ORS Optimal

Reform and Plan 4

Amort 3 r- -----------~

I I

: $116.77 : I I

,_ -- ----- --- -_,

1 1nclusive of estimated tax reform impacts and relative to May 2017 bill 2 Reflects year 1 bill reduction 3 Includes impact of $2 .772B capital costs amortized over 20 years and ORS Optimal Plan assumption of $98.7M TCJA benefit 4 All in impact of ORS Optimal Plan Year 1, ORS plan relative to May 2018 bill

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Late-filed Exhibit No. 134

NND portion of typical residential electric billSummary by plan

Estimated NND portion of typical residential electric bill excluding transmission

May 2017Typical Bill

SCE&G

Base Plan z

SCE&G Joint Applicants Joint ApplicantsNo Merger Customer Alternative

Benefits Plan Benefits Plan 'lant1 1,2

H. 4375 H. 4375 w/TaxReform and

Amort s

ORS OptimalPlan4

r--------------------- ~

Denotes totalbill

I

'anA 'an: '116.77 '

Inclusive of estimated tax reform impacts and relative to May 2017 bill 'eflects year 1 bill reduction 'ncludes impact of $ 2.7728 capital costsamortized over 20 years and ORS Optimal Plan assumption of $98 7M TCJA benefit 4 All in impact of ORS Optimal Plan Year 1, ORS plan relative to May2018 bill