20180307PAC to Staff UT OCS Set 12 (1-21) 2.pdf

1407 W.North Temple
ROCKY MOUNTAIN Salt Lake City,UT 84116
POWER
A DMSION OF PACIFICORP
February 27,2018
Béla Vastag
Office of Consumer Services
160 East 300 South
Salt Lake City,Utah 84111
b_vastag@utahgov (C)
RE:UT Docket No.17-035-40
OCS 12*Set Data Request (1-21)
Please find enclosed Rocky Mountain Power's Confidential and Redacted Response to OCS 12th
Set Data Request 12.16.Confidential information is provided subject to Public Service
Commission of Utah (UPSC)Rule 746-1-602 and 746-1-603.
If you have any questions,please call me at [phone].
Sincerely,
Jana Saba
Manager,Regulation
Enclosures
C.c.Erika Tedder/DPU [e-mail]@utah.gov(C)
Dan Kohler/DPU [e-mail](C)
Dan Peaco/DPU [e-mail] (C)(W)
Aliea Afnan/DPU [e-mail](W)
[e-mail] (W)
Philip Hayet/OCS [e-mail] (C)
Gary A.Dodge/UAE [e-mail] (C)
PhillipRussell/UAE [e-mail] (C)
Kevin Higgins/UAE [e-mail] (C)
Neal Townsend/UAE ntownsend eneravstrat.com (C)(W)
Kate Bowman/UCE [e-mail](C)
Emma Rieves/UCE [e-mail](C)(W)
Lisa Tormoen Hickey/[e-mail] (C)
Mitch Longson/Interwest [e-mail] (C)
Nancy Kelly/[e-mail](C)
Jennifer Gardner/WRA [e-mail](C)
Penny Anderson/WRA [e-mail] (W)
Peter J.Mattheis/Nucor [e-mail] (C)
Eric J.Lacey/Nucor [e-mail] (C)(W)
William J.Evans/UIEC [e-mail]
Vicki M.Baldwin/UIEC [e-mail](W)
Chad C.Baker/UIEC [e-mail] (W)
17-035-40 /Rocky Mountain Power
February 27,2018
OCS Data Request 12.16
OCS Data Request 12.16
HIGHLY CONFIDENTIAL AND CONFIDENTIAL REQUEST-The Company's
response to DPU 11.18 contains a preliminaryassessment of advancing the DJ
Retirement to 2020.See also the Company's highly confidential response to DPU 12.4.
(a)Is
the Company's estimate of the transmission upgrade
capital plus AFUDC to construct transmission?
(b)Appendix A contains assumptions used in the study,and indicates the study was
performed assuming that the wind repowering projects would take place.How
would the project cost be affected if the repowering project did not take place?
transmission upgrades (completed by December 2020)?
(d)Please supply a similar cost and schedule analysis for the proposed 500 kV new
transmission line plus 230 kV upgrades as was supplied in the highly confidential
response to DPU 12.4 for the alternative project,in file
(e)
that same amount included in the proposed 500 kV transmission line and 230 kV
upgrade project?Please explain.
Highly Confidential Response to OCS Data Request 12.16
(a)
truction
(AFUDC).
(b)These were the assumptions used in the study and the report identifies the necessary
improvements according to the study findings.There is not a plan to repeat this study
without the repowering projects at this time.
(c)The Energy Gateway Segment D2 230 kilovolt (kV)alternate incorporates a number
of new project elements;(a)Jim Bridger to Freezeout 230 kV,(b)Rebuild of existing
Point of Rocks to Freezeout,(c)Windstar -Freezout,not currentlyfully permitted or
17-035-40 /Rocky Mountain Power
February 27,2018
OCS Data Request 12.16
engineered.The additional time is primarily driven by the need to engineer,field
study and acquire permits for the new construction required as part of the identified
scope of work.
(d)The Company objects to the request on the basis that it seeks information the
Company considers to be commercially sensitive and highly confidential.Without
waiving the objection,the Company responds as follows:
Due to the ongoing nature of the overall competitive bid process for the transmission
lines,the requested 500 kV and 230 kV estimate model/cost information is
considered commercially sensitive and highly confidential.The Companyrequests
special handling.Please contact Jana Saba at [phone] or Yvonne Hogle at
[phone] to make arrangements for review.
(e)
2017)for the D2 project,as elements of that project (Aeolus -Jim Bridger right-of-
way)would form the basis of the new project albeit requiring updating and
modification.The same value was included in the original 500 kV capital cost of