SCEG OATT Formula Transmission Rate Filing.pdf - SCANA ...

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20091231-0037 FERC PDF (Unofficia1) 12/29/2009 Direct Testimony of Alan C. Heintz Docket ER10- -000 Page 27 of28 Exhibit No. SCE-8 The unamortized balance of these deferred costs is also shown on Attachment 5 and will 2 3 4 5 6 7 be included as a rate-base adjustment on line 57 of the formula, Appendix A. The annual amortization (an expense) is included at line 65 of the formula. Thus, the annual expense and the return and taxes on the unamortized balance of GridSouth costs will be a component of the net revenue requirement from which the transmission service rate is derived. After the amortization period, GridSouth costs will have no effect on the transmission rate. 8 Q, ARE GRID SOUTH COSTS PROPOSED TO BE RECOVERED IN THE INITIAL 9 (PARTIAL) RATE PERIOD? 10 A. No. Even though the development of the GridSouth costs is shown in Attachment 5 of II Exhibit SCE-II, for calculative convenience and to reduce the amount of the initial rate 12 13 increase, SCE&G proposes that recovery of the GridSouth surcharge begin (and end) over a full rate year; hence, the proposed beginning at June 1, 20 I0 and termination at 14 May 31, 2015. The fact that the amortization of the surcharge does not begin until the 15 16 17 18 20 10 rate year is memorialized in Note Q of Appendix A. SCE&G also proposes that at the end of the five-year amortization period, SCE&G will compare surcharge revenues collected against surcharge costs and true-up the two amounts on a one-time basis during the rate year beginning June 1,2016. 19 Q. WHAT IS THE RATE IMPACT OF THE GRIDSOUTH SURCHARGE? 20 A. The rate impact of the surcharge is estimated to be about $0.13 per kw/month. The initial 21 monthly transmission rate (2008 costs) is $1.75 per kw/month, so the surcharge will be
20091231-0037 FERC PDF (Unofficia1) 12/29/2009 Direct Testimony of Alan C. Heintz Docket ER 10-_-000 Page 28 of28 Exhibit No. SCE-8 about an 8% increase beginning June I, 2010. The $0.13 impact was calculated based on 2 2008 costs by multiplying the return and tax components times the unamortized balance 3 of the Grid South costs, adding the annual amortization and dividing by the load. This 4 percentage increase is a rough estimate and may be less, since, as proposed, the 5 GridSouth costs will be a part of a rate calculated primarily on 2009 actual (Form I) 6 costs. 7 Q. PLEASE DESCRIBE EXHIBIT NO. SCE-12. 8 A. This exhibit is a traditional (combined) Statement BGIBH. Its purpose is to show 9 SCE&G's transmission customers the estimated impact on their transmission bills of the 10 proposed rates in this filing compared to the current rates. II Q. DOES THIS CONCLUDE YOUR TESTIMONY? 12 A. Yes.
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Stat.",ent BG Propwed Retes South C
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EXHIBIT NO. SCE-16 "o o '" .... "w
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Table No. MJV·4 Panel B Commission
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Company American Electric Power Co
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