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Home My WebLink About20180105PAC to Staff UT_DPU Set 11 (1-21).pdf1407 W.North Temple ROCKY MOUNTAIN Salt Lake City,UT 84116 POWER A DIVISION OF PACIFICORP January 3,2018 Erika Tedder Division of Public Utilities 160 E 300 S,4th Floor Salt Lake City,UT 84114 etedder@utah.gov(C) RE:UT Docket No.17-035-40 DPU 11th Set Data Request (1-21) Please find enclosed Rocky Mountain Power's Responses to DPU 11th Set Data Requests l 1.6 and 11.16.Also provided is Attachment DPU 11.6.Provided on the enclosed Confidential CD is Confidential Attachment DPU l1.16.Confidential information is provided subject to Public Service Commission of Utah 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.:Dan Kohler/DPU dkoehler@daymarkea.com(C) Aliea Afnan/DPU aafnan@daymarkea.com (W) Dan Peaco/DPU dpeaco@daymarkea.com (C)(W) Kevin Higgins/UAE khiggins@energystrat.com (C) Neal Townsend/UAE ntownsend@energvstrat.com(C)(W) Gary A.Dodge/UAE gdodge@hidlaw.com (C) Phillip Russell/UAE prussell@hjdlaw.com (C) Philip Hayet/OCS phayet@ikenn.com (C) Béla Vastag/OCS bvvastag@utahgov (C) Sophie Hays/UCE sophie@utahcleanenergy.org(C) Kate Bowman/UCE kate@utahcleanenergy.org(C)(W) Emma Rieves/UCE emma@utahcleanenergy.ora(C)(W) Lisa Tormoen Hickey/Interwestlisahickey@newlawgroup.com (C) Mitch Longson/Interwest mlongson@mc2b.com (C) Nancy Kelly/WRAnkellv@westernresources.ore(C) Jennifer Gardner/WRA jennifer.gardner@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 January 3,2018 DPU Data Request 11.6 DPU Data Request 11.6 Refer to the attachment to the Company's Response to Data Request OCS 2.1. (a)Please define all row labels in column B. (b)Please provide a revised version of the attachment providing the source data of for all hard-coded values (i.e.not formulas)in rows 4,5,7,11,13,15,and 17. (c)Please provide any available data in a similar format for 2016 and 2017. (d)Please provide any available forecast of expected values for the components of the table provided in the attachment. Response to DPU Data Request 11.6 (a)Please refer to Attachment DPU l1.6 with the additional labels as requested.The file has been updated to reflect the posted formularate true-up results for the respective years of data provided.These files are available on PacifiCorp's OASIS site: www.oasis.oati.com/pow/ (PacifiCorp OASIS Tariff/Company Information/OATT Pricing) (b)Please refer to Attachment DPU l1.6 with additional labels includingthe source from the formula rate true-up files. (c)Please refer to Attachment DPU 11.6 for the 2016 true-up as well as the 2017 Projection.The true-up for 2017 will be available in May 2018. (d)The 2017 projection is currentlythe most recent forecast. 17-035-40 /Rocky Mountain Power January 3,2018 DPU Data Request 11.16 DPU Data Request 11.16 Refer to the Direct Testimony of Mr.Rick Link,lines 398-413,describing the PaR model. (a)Does the PaR model use a zonal or nodal system topology? (b)Please provide a graphical depiction of the system topology used for this analysis. (c)If the model is zonal,please provide the followinginformation: i.Load by zone by year,both peak (MW)and energy (GWh) ii.Generators included in each zone iii.Transfer limits for zonal links (both base case and change case) Response to DPU Data Request 11.16 (a)The System Optimizer model (SO model)and Planning and Risk (PaR)model both use zonal system topologies. (b)The system SO and system PaR topology is included in PacifiCorp's 2017 Integrated Resource Plan (IRP),specifically Volume I,Chapter 7 (Modeling and Portfolio Evaluation Approach),page 147.PacifiCorp's 2017 IRP is publicly available and can be accessed by utilizingthe followingwebsite link: http://www.pacificorp.com/es/irp.html (c)Please refer to the confidential work papers supporting the Direct Testimony of Company witness,Rick T.Link,specifically: i.Folder:SO Model Inputs-Outputs.zip\SO Model Inputs-Outputs\Price-emissions scenarios\Gateway\RPCC-RPN EGI-MM and more specifically,the "CapacityBal"report for peak loads by zone,and the "Loads"report for system peak and energy.Please also refer to Confidential Attachment DPU 11.16,which shows energy loads by zone by year. ii.Folder:SO Model Inputs-Outputs.zip\SO Model Inputs-Outputs\Price-emissions scenarios\Gateway\RPCC-RPN_EGI-MM and more specifically,the "StaFirmCap"report zone column for station location,and the "ConPattern" report zone column for contract location. iii.Folder:SO Model Inputs-Outputs.zip\SO Model Inputs-Outputs\Price-emissions scenarios\Gateway\RPCC-RPN_EGI-MM and more specifically,the "TieCF" report for transmission transfer limits capacity (OnPK Cap (MW)and OffPk (MW)),and energy (OnPK Flow MWh and OffPk Flow MWh). 17-035-40 /Rocky Mountain Power January 3,2018 DPU Data Request 11.16 Confidential information is provided subject to Public Service Commission of Utah (UPSC)Rule 746-1-602 and 746-1-603.