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Home My WebLink About20180307PAC to Staff UT OCS Set 10 (1-16).pdf1407 W.North Temple ROCKY MOUNTAIN Salt Lake City,UT 84116 POWER A DIVISlON OF PACIFICORP February 28,2018 Béla Vastag Office of Consumer Services 160 East 300 South Salt Lake City,Utah 84111 bvastag@uttah.gov (C) RE:UT Docket No.17-035-40 OCS 10th Set Data Request (1-16) Please find enclosed Rocky Mountain Power's 16'Revised Response to OCS 10th Set Data Request 10.3.Provided on the enclosed Confidential CD is Confidential Attachment OCS 10.3 166 Revised.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 (801)220-2823. Sincerely, Jana Saba Manager,Regulation Enclosures C.c.Erika Tedder/DPU dpudatarequest utah.gov etedder utah.gov (C) Dan Kohler/DPU dkoehler@daymarkea.com(C) Dan Peaco/DPU dreaco@daymarkea.com(C)(W) Aliea Afnan/DPU aafnan@daymarkea.com (W) jbower@daymarkea.com(W) Philip Hayet/OCS phavet@jkenn.com (C) Gary A.Dodge/UAE adodge@hidlaw.com (C) Phillip Russell/UAE prussell@hidlaw.com (C) Kevin Higgins/UAE khiggins@energystrat.com (C) Neal Townsend/UAE ntownsend@eneravstrat.com(C)(W) Kate Bowman/UCE kate@utaheleanenergy.ora(C) Emma Rieves/UCE emma@utahcleanenergy.org(C)(W) Lisa Tormoen Hickey/Interwestlisahickey@newlawaroup.com (C) Mitch Longson/Interwest mloneson@mc2b.com (C) Nancy Kelly/WRAnkellv@westernresources.org(C) Jennifer Gardner/WRA iennifer.cardner@westernresources.org(C) Penny Anderson/WRA penny.anderson@westernresources.org (W) Peter J.Mattheis/Nucor pjm@smxblaw.com (C) Eric J.Lacey/Nucor ejl@smxblaw.com (C)(W) William J.Evans/UIEC bevans@parsonsbehle.com Vicki M.Baldwin/UIEC vbaldwin@parsonsbehle.com(W) Chad C.Baker/UIEC cbaker@parsonsbehle.com (W) 17-035-40 /Rocky Mountain Power February 28,2018 OCS Data Request 10.3 -16*Revised OCS Data Request 10.3 PTC Modeling Sensitivity.Refer to Mr.Link's rebuttal testimony at line 257.Please supply the sensitivity analysis and work papers,electronicallywith all formulas intact that were developed to evaluate levelized PTCs.Please identify the location where any changes were made to data assumptions for this case.Also provide any written communication that went back and forth between the Company and the IEs (Utah and/or Oregon)regarding this sensitivity. 1'*Revised Response to OCS Data Request 10.3 Please be advised that the Company mistakenly provided 2017 Renewable Request for Proposals (2017R RFP)documentation with its original response to OCS Data Request 10.3 incorrectly classified as confidential.The document is,in fact,considered commercially sensitive and highly confidential.This 16'Revised response to OCS Data Request 10.3 corrects that error and replaces the Company's original response in its entirety.The Company requests that copies of its original response to OCS Data Request 10.3 dated February 1,2018 are destroyed. Please refer to Confidential Attachment OCS 10.3 16'Revised. Due to the ongoing nature of the 2017R RFP,the work papers supporting the sensitivity analysis,together with communications between the Company and the independent evaluators (IE)regarding the PTC sensitivity analysis associated with the 2017R RFP are considered commercially sensitive and highly confidential.The Company does not typicallypermit access to commercially sensitive 2017R RFP documentationuntil the RFP has been concluded.Please contact Jana Saba at (801)220-2823 or Yvonne Hogle at (801)220-4050 to make arrangements for review. Confidential information is provided subject to Public Service Commission of Utah Rules 746-1-602 and 746-1-603.