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HomeMy WebLinkAbout20240830PAC to Staff 205-211_214-216.pdf 1407 W North Temple, Suite 330 Salt Lake City, Utah 84116 August 30, 2024 Monica Barrios-Sanchez Commission Secretary Idaho Public Utilities Commission 11331 W. Chinden Blvd. Bldg. 8, Ste. 201-A Boise, ID 83714 monica.barriossanchez@puc.idaho.gov Secretary@puc.idaho.gov RE: ID PAC -E-24-04 IPUC Set 11 (205-216) Please find enclosed Rocky Mountain Power’s Responses to IPUC 11th Set Data Requests 205- 216, excluding 212 and 213. The remaining response will be provided under separate cover. Also provided are Attachments IPUC 207-2 and 214. Confidential Attachments will be provided via BOX on Tuesday along with the attorney attestation. Confidential information is provided subject to protection under IDAPA 31.01.01.067 and 31.01.01.233, the Idaho Public Utilities Commission’s Rules of Procedure No. 67 – Information Exempt from Public Review, and further subject to the non-disclosure agreement (NDA) executed in this proceeding. If you have any questions, please feel free to call me at (801) 220-2313. Sincerely, ____/s/____ Mark Alder Manager, Regulation Enclosures C.c.: Eric L. Olsen/IIPA elo@echohawk.com (C) Lance Kaufman/IIPA lance@aegisinsight.com (C) Matthew Nykiel/ICL matthew.nykiel@gmail.com Brad Heusinkveld/ICL bheusinkveld@idahoconservation.org Thomas J. Budge/Bayer tj@racineolson.com (C) Brian C. Collins/Bayer bcollins@consultbai.com Greg Meyer/Bayer gmeyer@consultbai.com Kevin Higgins/Bayer khiggins@energystrat.com (C) Neal Townsend/Bayer ntownsend@energystrat.com (C) RECEIVED Friday, August 30, 2024 IDAHO PUBLIC UTILITIES COMMISSION Ronald L. Williams/PIIC rwilliams@hawleytroxell.com Brandon Helgeson/PIIC bhelgeson@hawleytroxell.com Bradley Mullins/PIIC brmullins@mwanalytics.com Val Steiner /PIIC val.steiner@itafos.com Kyle Williams/PIIC williamsk@byui.edu PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 205 IPUC Data Request 205 Company witness McCoy’s Exhibit No. 48, Page 8.5.3, Major Plant Detail lists the following three projects: (1) “Customer 27 – UT – Trans”; (2) “Customer 22 – UT -Trans”; (3) “Customer 8 – UT – Trans (1)”. Please provide the following details for each of these three projects: (a) Please provide a narrative description of each project scope. (b) Please identify the Customer in each project, and the facilities that will be served by each project. (c) Please specify if the Customer provided any Contribution in Aid of Construction (CIAC) for this project, and if so, provide the amount and how it has been applied to the project. (d) Please provide a map of the transmission line constructed by each project, showing how it interconnects with other transmission lines and/or generation resources in the vicinity. (e) Please provide a current project management Gantt chart for each project showing the major elements of work, their duration and dependencies, and their percent complete. Please highlight the project critical path. Response to IPUC Data Request 205 The requested information is customer-specific information. The Company requests special handling. Please contact Mark Alder at (801) 220-2313 to make arrangements for review. Please refer to Customer-Specific Confidential Attachment IPUC 205 which provides the requested information for customer projects: (1) “Customer 27 – UT – Trans”; (2) “Customer 22 – UT -Trans”; and (3) “Customer 8 – UT – Trans (1)”. Note: Customer-Specific Confidential Attachment IPUC 205 contains customer- specific information and is considered business confidential. As stated above, the Company requests special handling. This information is only being provided to the Idaho Public Utilities Commission (IPUC). PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 205 Confidential information is provided subject to protection under IDAPA 31.01.01.067 and 31.01.01.233, the Idaho Public Utilities Commission’s Rules of Procedure No. 67 – Information Exempt from Public Review, and further subject to the Non-Disclosure Agreement (NDA) executed in this proceeding. Recordholder: Nathan Adent Sponsor: Shelley E McCoy PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 206 IPUC Data Request 206 Company witness McCoy’s Exhibit No. 48, Page 8.5.3, Major Plant Detail lists the following project in the Transmission section: “Project Specialized” for a total plant-in -service amount of $72,681,510. Please clarify if this is truly a single project, or an umbrella project for several smaller ones. (a) Please provide the project scope of work. (b) Please explain why it has various in-service dates, what are the anticipated dates, and what scope of work is associated with each in-service date. If it is an umbrella project for several smaller projects, please provide the following: i. Please provide a list of the subordinate projects with a unique identifier and title for each subordinate project; ii. Please include the estimated cost and completion date for each subordinate project; and iii. Please provide explanatory details for the need for each project. Response to IPUC Data Request 206 (a) Please provide the project scope of work. Construct new 230-34.5 kV substation and two new 230 kV transmission lines, approx. 1.2 miles each, for new customer major load addition. Project includes two new 230 kV interconnections with Umatilla Electric Cooperative (UEC). (b) Please explain why it has various in-service dates, what are the anticipated dates, and what scope of work is associated with each in-service date. If it is an umbrella project for several smaller projects, please provide the following: Project has a single in-service date of July 25, 2024. i. Please provide a list of the subordinate projects with a unique identifier and title for each subordinate project; There are no subordinate projects associated with Project Specialized. ii. Please include the estimated cost and completion date for each subordinate project; and PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 206 Please see response to DR 206 subpart (b) i above. iii. Please provide explanatory details for the need for each project. Please see response to DR 206 subpart (b) i above. Recordholder: Ernest Hasselbring / Jeff Keyser / Marcus Kohler Sponsor: Diana Knous PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 207 IPUC Data Request 207 Company witness McCoy’s Exhibit No. 48, Page 8.5.3, Major Plant Detail lists the following project in the Transmission section: “OTP196 Nephi 2nd POD” for a total plant -in-service amount of $6,905,150. Please provide the following information regarding this project: (a) Please provide an explanation of the need for the project including the analysis justifying the need. (b) Please list all potential alternatives the Company considered and explain why the Company selected this solution. (c) Please provide the approved Initial Project Plan including the following: • Initial project scope, including maps and/or drawings depicting the scope; • Initial project budget; • Initial proposed schedule; and • Evidence that the plan and budget were approved at the appropriate level. (d) Please provide the latest project schedule showing the major elements of work, the duration and dependencies of those work elements, the percentage complete of each work element, and critical path for placing the plant in service. Response to IPUC Data Request 207 (a) Please refer to Confidential Attachment IPUC 207-1 which provides the appropriation request (APR) approved for this project and the corresponding investment appraisal document (IAD) which outlines the project need, alternatives, schedule, and budget. The approved line on the APR shows approval by Richard Vail, vice president of PacifiCorp Transmission. Richard Vail’s approval authority was up to $15 million at the time of this approval. (b) Please refer to the Company’s response to subpart (a) above. (c) Please refer to the Company’s response to subpart (a) above. (d) Please Attachment IPUC 207-2 which provides the most recent schedule. This project will no longer be placed in service in 2024. Revised in service date is March 2025. The Company will remove this project in its rebuttal filing. Confidential information is provided subject to protection under IDAPA 31.01.01.067 and 31.01.01.233, the Idaho Public Utilities Commission’s Rules of PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 207 Procedure No. 67 – Information Exempt from Public Review, and further subject to the Non-Disclosure Agreement (NDA) executed in this proceeding. Recordholder: Lori Rolow Sponsor: Richard Vail PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 208 IPUC Data Request 208 Company witness McCoy’s Exhibit No. 48, Page 8.5.3, Major Plant Detail lists the following project in the Transmission section: “Jackalope Bixby Transmission Upgrade” for a total plant-in -service amount of $7,034,353. Please provide the following information regarding this project: (a) Please provide an explanation of the need for the project including the analysis justifying the need. (b) Please list all potential alternatives the Company considered and explain why the Company selected this solution. (c) Please provide the approved Initial Project Plan including the following: i. Initial project scope, including maps and/or drawings depicting the scope; ii. Initial project budget; iii. Initial proposed schedule; and iv. Evidence that the plan and budget were approved at the appropriate level. (d) Please provide the latest project schedule showing the major elements of work, the duration and dependencies of those work elements, the percentage complete of each work element, and critical path for placing the plant in service. Response to IPUC Data Request 208 (a) Please refer to the Company’s response below: • Combining block load growth and the retirement of Orpha and Douglas town substations, along with a 1.5 percent annual growth rate, the total load projection for Jackalope substation will increase to 31 megavolt ampere (MVA) in 2022, which is at 103 percent capacity of the Western Area Power Administration (WAPA) 115 kilovolt (kV) source. • The current configuration of the transmission system feeding the Douglas, Wyoming area creates an N-1 issue, which consists of a radial 115 kV line served from WAPA via Wagonhound substation. • The load addition on the 115 kV system as a result of the removal of Orpha and Douglas town only exacerbate the issue with the addition of 6.25 MVA onto Jackalope substation. PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 208 • Over the past five years, there have been four loss of supply outages from WAPA resulting in 187,508 Customer Minutes Lost (CML) as well as a tornado in 2018 that damaged the radial 115 kV line from Wagonhound. (b) Please refer to the Company’s responses below: At Wagonhound substation: • Install 5-breaker ring bus Between Dave Johnston Tap South – Wagonhound substation and Dave Johnston Tap North – Wagonhound substation: • Rebuild 115 kV lines totaling 48.1 miles utilizing 1272 aluminum conductor steel-reinforced (ACSR) conductor. Cost of this alternative is approximately $30,300,000. Advantages: • Increases Wagonhound system capacity up to limitation of Wagonhound- Jackalope 115 kV line (110 MVA). • Alleviates limitations on Wagonhound source for an indefinite amount of time. • Does not require new right-of-way (ROW). • Wagonhound sub possibly utilized for retirement of 57 kV system in the Glendo area Disadvantages: • Continued exposure (for reliability purposes) to long segments of WAPA’s line between WAPA Glendo-Casper (5,609 customers impacted). • Continued expenditures associated with Jackalope substation’s monthly energy consumption on balance sheet accounted per WAPA-PacifiCorp legacy agreement. (c) Please refer to the Company’s responses to subparts i. through iv. below: i. Please refer to the information provided below: • Tap off existing Bixby – Chalk Butte 115 kV line at structure #6/18 and install 1.16 miles of new line along Cold Springs Road in new ROW until the line reaches the existing (abandoned) Dave Johnston – Douglas 57 kV PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 208 line which is de-energized. • Install 3.24 miles of a new 115 kV line along the existing 57 kV ROW and remove the existing 57 kV conductor and structures. • Install a new switch on structure #6A/18 on an existing fiberglass pole. • Rebuild 4.4 miles of distribution under-build on new transmission line using existing overhead conductor, where possible. At Jackalope Substation – Install motor operators on switches 2H833 and 2H831, CCVTs on each line, and an auto throw-over control scheme. At Bixby Substation – Develop new relay settings for the Chalk Butte line. Install 4.4 miles of new 115kV transmission line along Cold Springs Road and next to the Dave Johnson-Douglas 57kV line that is to be removed. PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 208 ii. Please refer to the Company’s 1st Revised response to IPUC Data Request 171, specifically Attachment IPUC 171 which provides the Initial Project Budget. Costs Prior Years 2021 2022 Total 10 Year Plan Budget: $350,000 $4,148,162 $0 $4,498,162 APR (Gross): $0 $224,953 $4,698,711 $4,923,664 - Reimbursements: - Contingency: APR (Net): $0 $224,953 $4,698,711 $4,923,664 iii. Initial Proposed Schedule • Project start date – July 1, 2021 • Engineering IFC – June 24, 2022 • Construction start date – June 30, 2022 • In service date – September 15, 2022 1-2 115 kV transm ission w ith 8,000 ft . si ngle ci rcu it under b uil d -ex ist ing 3-p h 556 AAC , 336 neu t ra l to be t ra nsferre-d t o new Tx st ruct ur es o n lower circu it position . Tra nsf er fro m new subst ation getaway rise r po le near FP 0 5232071.0-089063 to FP 080562. EJ909A doubl e ci rcu it f ram i n" ands acin 2-3 115 kV t ransmissi on w ith 9,100 ft . single ci rcu it under bu il d -existing 3p h 7 95 AAC with 477 AAC n.e-ut ra l to be t ransferred an d i ns t a ll ed on new Tx st r uctures fro m FP05232071.0-080562 to 05232072.0 -12 1901 . EJ909 sin le circuit frami n 3-4 115 kV t ransm is si on w ith ex isting 6,45 0 ft_ lph und er bu i ld -New 1/0 ACSR and Neut ra l to repl ace exi sting fi2 ACS R & N. Bu i ld structures with al lowabl e spaci ng for f utu re 3ph 477 AAC (EJ 909) from FP0 52 32072.0-121901 t o 110960. I l PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 208 iv. Evidence that the plan and budget were approved at the appropriate level (d) This project was deferred to December 31, 2028 due to resource constraints. The new project schedule and critical path milestones have not been re-developed yet. The Company will remove this project in its rebuttal filing. Recordholder: Nathan Adent Sponsor: Shelley E McCoy Appropriat ion Req uest Summary Report APR: 24017340 Title: Jackal ope - Bixby 11 5 kV Transmission Upgrade Es ti mate Type : Re que sting Cost Center 12556 -Doug las Local Tran -M Investment Reason: N9 Pri ority: Implementation Start: 1210312021 Asset Location: 565100 WBS TDOUl 2020ICI 001 1B Fun e Group· TRM TU N State: WY Plant 20 15 Statu s· App roved ln-SeMce Date: 09115/2022 Res ponsible Mana ge r: SPENC E R F OWL ER Approver: Gary Hoogeveen Approved On: 10/07/2021 Spent To Date: 1,631 ,33 7 Capit al and O&M Costs Costs '"·"' 00.119 '°""' ~910 125.670 999.m 2.766.110 "'" 3111.281 To tal s. 212,457 1,059,84 2,806,910 2'9.784 341 ,281 " nes cnouan of Asset s and Work oc Pcaoosed Chaooe- -Tap off ex;sang Bixby -Chalk Butte 11 5 kV line atstructure #6118 and install 1.16 miles of new line along Co.Id Springs Road in new right-of-way until the line reaches the existing (abandoned) Dave Johnston -Dougl as 57 kV line which is de-ener gized. -Install 3.24 miles of a new11 5 kV line al ong the existing 57 kV right-of-way and remove the existing 57 kV conductor and structur es. -Install a new switch on structure #6Al18 on an existing fiberglass p o l e. -Rebuild 4.4 miles of distribution underbuild on new transmission line. This p roject is in the currently proposed 2022 capital pl an with S4.5m of spend in 2022. This project is in the currently approved capital plan with $4.1m in 2021 but was.deterred one ye<Y to allow other higher priority projects Printed 08121/2024 Sa l yag e S..cti..-gi, & Total G ross Ar uoc """ """" 4.698.711 473,390 4,923,SS4 Page 1 ~PAclFICORP E,cpenset APR Upg n d et "'·"" 4.698.711 4,923,664 PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 209 IPUC Data Request 209 Attachment IPUC 15 lists the following Transmission project: “TIUT/2020/C/012 - Q846 Horseshoe Solar, LLC” for a total plant-in-service amount of $8,645,796. Please provide the following information regarding this project: (a) Please provide an explanation of the need for the project including the analysis justifying the need. (b) Please list all potential alternatives the Company considered and explain why the Company selected this solution. (c) Please provide the approved Initial Project Plan including the following: • Initial project scope, including maps and/or drawings depicting the scope; • Initial project budget; • Initial proposed schedule; and • Evidence that the plan and budget were approved at the appropriate level. (d) Please provide a comparison of the actual expenditures to the budget, by budget line item. Response to IPUC Data Request 209 Please refer to Confidential Attachment IPUC 209 which provides the first appropriation request (APR) approved for this project and the corresponding investment appraisal document (IAD) which outlines the project need, alternatives, schedule, and budget. The approved line on the appropriation request shows approval by Stefan Bird, who was president and chief executive officer (CEO) of Pacific Power (PP) at the time of this approval. Stefan Bird’s approval authority was up to $50 million. Please also refer to Confidential Attachment IPUC 209 which provides the actual expenditures to the budget, by line item and the subsequent APRs that shows approval for the cost increases. Confidential information is provided subject to protection under IDAPA 31.01.01.067 and 31.01.01.233, the Idaho Public Utilities Commission’s Rules of Procedure No. 67 – Information Exempt from Public Review, and further subject to the Non-Disclosure Agreement (NDA) executed in this proceeding. Recordholder: Lori Rolow Sponsor: Richard Vail - PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 210 IPUC Data Request 210 Attachment IPUC 15 lists the following Transmission project: “DCED/2020/C/009 - Future Comp. LLC, 4.3 MW Load” for a total plant-in- service amount of $7,949,285. Please provide the following information regarding this project: (a) Please provide an explanation of the need for the project including the analysis justifying the need. (b) Please list all potential alternatives the Company considered and explain why the Company selected this solution. (c) Please provide the approved Initial Project Plan including the following: • Initial project scope, including maps and/or drawings depicting the scope; • Initial project budget; Initial proposed schedule; and • Evidence that the plan and budget were approved at the appropriate level. (d) Please provide a comparison of the actual expenditures to the budget, by budget line item. Response to IPUC Data Request 210 (a) A new 4.3 MW load requested by Future Composites LLC in Gunnison, Utah was projected to result in 0.86 pu voltage at Gunnison substation summer 2022. The voltage standard is 0.9 pu. In 2023, additional customer load will result in 0.78 pu voltage at Gunnison. This 46 kV substation is 25 miles from its source, Sigurd substation. The low voltage can be mitigated by installing 12.2 miles of 1272 ACSR. While this will meet the voltage standard, existing load growth in the area will cause substandard voltage in following years. The solution is to extend the rebuild to include a total of 17 miles (b) Alternative: Convert Gunnison substation to 138 kV Advantages: • Provides more capacity for future growth than proposed solution Disadvantages: • Costs more than proposed solution • Equipment procurement times may be too long for solution to be in place PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 210 before 2022 Block estimate: $19,000,000 (c) Please refer to the Company’s responses below • Sigurd-Gunnison #2: • Beginning at Sigurd substation, rebuild 17 miles to 1272 ACSR 138 kV construction • Swap Sigurd-Gunnison #2 and Sigurd-Gunnison #1 lines at termination of rebuild south of Axtell, Utah. Distribution: • 1- PMH 9 SWITCH GEAR_______1- THREE PHASE PRIMARY RISER • 1- 2500 KVA 277/480 PADMOUNT TRANSFORMERS • 2- 4000 AMP CT METERING UNITS • 1- THREE CAT BANK 1200 KVAR • 3238' OF 4/0 AAAC PRIMARY • 3993 OG 477 AAC PRIMARY • 500' OF_3-1000 15 KV URD PRIMARY • 400' OF 4/O URD THREE PHASE PRIMARY • 4- 45' THREE PHASE POLES • 3-50' THREE PHASE POLES___3- SINGLE PHASE PRIMARY RISERS • REMOVE • 4- 40' THREE PHASE POLES______3800' OF 4#1/O ACSR PRIMARY • 2-45' THREE PHASE POLES_____3-SINGLE PHASE PRI. RISERS PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 210 • 794' OF 3#250 AL PRIMARY Figure 1: Transmission Improvements Figure 2: On-site Distribution Infrastructure Aurora Vermillion Western Clay Feed Plant Salina Gunnison N.O. Sigurd To Fayette To Manti 2022: Rebuild 10.5 mile Sigurd-Gunnison #2 to 1272 ACSR. Swap line feeds south of Salina. Move Aurora to Sigurd - Gunnison #1. Si g u r d -Gu n n i s o n #2 Si g u r d -Gu n n i s o n #1 2021 On -Site infrastructure Install ri ser pole Install PME9 sw itchgear Install 2500 kVA 12470-277 /!!_8.Q..i/_o.1) pad mount transformer 1060' of 3#1000-AL underground cab le from rise r pole to gro und sleeve 30' of 3#4/0 -A L undergroun d PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 210 Figure 3: Offsite Distribution Infrastructure • Initial project budget; $9,000,000 • Anticipated project start date or actual project start date: 4/01/2021 In-service date: 5/15/2022 • Evidence that the plan and budget were approved at the appropriate level. (d) Please refer to the table below which provide a comparison of the actual expenditures to the budget, by budget line item. @ Gunnison Substation 1 Systl!!m Status Rl!!sult Master data lo .. , Approved Approved ApprCNed Approved Approved ApprO'ied App roved App roved ApprOll'ed Approved App roved __ A~ed ( ~:t __ j I 2021 Off-Site Infrast ructure 1-3 Rebuild 4 ,991' of 3#2-AS t o 3#477-AL overhead between FP 160406 and FP 167602 Install 1200 kVAR switched capacitor FP 166601 ! --: """dltael021 1 r. J ----See On-Site --7 Jes o t i [_ __ _ @I 1' Approv@r Nam4!! Brandon Smith Cindy Dimond Thomas Turner Russell Upd ike Natha n Bailey Jaren J Ca mpbell 1200 kVAR Sw itched lnvst RI! ... NJ Jenafer Erramouspe Jayso n Branch Nikki Ko~iha Curtis Mansfield ~eveen APR 94011665 94011665 94011665 94011665 940 11665 94011665 94011665 94011665 94011665 94011665 94011665 94011665 Ol!!saiption Future Comp. LLC, 2.5 MW Load Total Cost Approver Workflow Tim@ Sta ... 9,000,000.00 P06193 03/29/202 1 -05 53 32 P10313 03/29/2021 -13:07:04 Pl 5249 04/08/2021 -09:31:20 P97548 04/08/2021 -15:05:31 P1203 4 04/12/202 1 -13:52:20 P44361 04/12/2021-14:29:47 P44552 04/14/2021 -08:11:5 1 P16264 04/14/202 1 -08:30:36 P74018 04/20/202 1 -11:36:29 Pl 0272 04/20/202 1 -13:08:20 P3605 2 04/20/2021 -13:33:17 PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 210 Recordholder: Thomas Turner Sponsor: Shelley E McCoy I Lead co lumn II Plan 1 II Act ual II Variance II Var% I !o ve rall II 1,305,66411 8,617,38611 (7,3 11,722)11 (560 .o)I I--------------------11--------------11--------------11--------------11--------------I IA II Previous yea rs II 1,305,66411 8,617,38611 (7,3 11,722)11 (560 .o)I 12023 II 1,305,66411 3,045,74911 (1,740,085)11 (133.3)1 12024 II oil 80,52911 (80,529)11 x/ol " " " PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 211 IPUC Data Request 211 Please provide the Company’s procedures and policies documenting its capital project management controls. This should include required process steps, verifications, and approval levels for different types of expenditures and/or dollar thresholds. Response to IPUC Data Request 211 Please refer to Confidential Attachment IPUC 211. Confidential information is provided subject to protection under IDAPA 31.01.01.067 and 31.01.01.233, the Idaho Public Utilities Commission’s Rules of Procedure No. 67 – Information Exempt from Public Review, and further subject to the Non-Disclosure Agreement (NDA) executed in this proceeding. Recordholder: Kristi Olsen Sponsor: Ryan Weems PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 214 IPUC Data Request 214 Company’s Attachment 55-1 lists 18 transmission projects with no “Annual Actual Project Costs Placed in Service (by year)” from 2022 through 2024. For each, please answer the following: (a) Please provide a narrative description of each project scope. (b) Please provide a current project management Gantt chart for each project showing the major elements of work, their duration and dependencies, and their percentage complete. Please highlight the project's critical path. Response to IPUC Data Request 214 The Company assumes that the reference to “Attachment 55-1” is intended to be a reference to the Company’s response to IPUC Data Request 55 and Attachment IPUC 55-1. Based on the foregoing assumption, the Company responds as follows: For the following projects please refer to the Company’s responses to IPUC Data Requests 130 through 141. • Anticline 34 kilovolt (kV) Phase Shifter • GWS 230 kV Supporting projects (GW) • Oquirrh-Terminal 345 kV Line • TMP EV2024 Q0835 Rock Creek Wind LLC- Rock Crk Wind • TMP EV2024 Q0713 Cedar Springs Wind IV Wind • TMP EV2024 Q0409 Boswell Springs Wind • TMP EV2024 Q0785 Anticline Wind For the following project, please refer to the Company’s response to IPUC Data Request 205: • Customer 27 – UT – Trans • Customer 22 – UT - Trans For the following project, please refer to the Company’s response to IPUC Data Request 207: • OTP Q196 Nephi 2nd POD For the following project, please refer to the Company’s response to IPUC Data Request 208: PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 214 • Jackalope-Bixby Transmission Upgrade For the following projects, please refer to Attachment IPUC 214: • Houston Lake- Ponderosa Add Second 115 kV Line • Tucker 69 kV Line • Line 30 & 65 Convert to 115 kV: New 230-69 kV Sub T Note: The Tucker 69 kV Line and the Line 30 & 65 Convert to 115 kV: New 230-69 kV Sub T projects will not be completed in 2024 and the Company will remove the projects from its application in its rebuttal filing. For the following project, please refer to the information provided below: • Fort Hall/BIA Jim Bridger Kinport G-2067 - shared IPC (a) The Jim Bridger – Kinport 345 kV transmission line Grant of Right of Way (ROW) expired March 15, 2024. The Bureau of Indian Affairs, the Shoshone Bannock Tribes, Allottees, and Rocky Mountain Power (RMP) have been working since February 15, 2019 on a renewal. All Code of Federal Regulation (CFR) requirements have been achieved or will be complete within the next six months. The Fort Hall Business Council and RMP are still negotiating a final compensation amount of approximately $4,375,000 for a 20-year term for a ROW that is 14.46 miles long and 140 to 150 feet in width that totals 258.113 acres. National Environmental Policy Act (NEPA) requirements will be completed and a Finding of No Significant Impact (FONSI) will be signed by the end of 2024. (b) Project milestones include and schedule include: • New survey completed in 2023 (100 percent complete). • NEPA (Environmental Assessment, Cultural and Biological Studies) will be completed in 2024 (95 percent complete). • Compensation negotiations will be completed in 2024 (60 percent complete). • Allottee consent forms will be sent as soon as compensation negotiations are complete (5 percent complete). • Recorded and funded – Expected June 30, 2025 Recordholder: Thomas Turner Sponsor: Shelley E McCoy PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 215 IPUC Data Request 215 Company's Attachment 55-1 lists project "Midpoint 500 kV Series Cap Bank Rpl (IDP)" with an in-service date of January 2024; however, it does not list any actual project costs placed in service. Please explain if this project is in service as of July 2024 and please explain this discrepancy. Response to IPUC Data Request 215 The Company assumes that the reference to “Attachment 55-1” is intended to be a reference to the Company’s response to IPUC Data Request 55 and Attachment IPUC 55-1. Based on the foregoing assumption, the Company responds as follows: The Midpoint 500 kilovolt (kV) Series Cap Bank Rpl (IDP) project was inadvertently listed on Attachment IPUC 55-1. The Company’s pro-forma capital projects are limited to known and measurable projects defined as projects expected to be placed in-service by the January 1, 2025, rate effective date and greater than $5 million dollars. While the above mentioned project did get placed in-service, it was not requested for recovery in the Company’s direct filing as it was forecasted to be less than $5 million dollars. As such, where the Company did not seek recovery in the direct filing, this project should have been excluded from Attachment IPUC 55-1. Recordholder: Nick Highsmith / Theresa Haggard Sponsor: Shelley E McCoy PAC-E-24-04 / Rocky Mountain Power August 30, 2024 IPUC Data Request 216 IPUC Data Request 216 Company's Attachment 55-1 lists project "Houston Lake - Ponderosa Add Second 115 kV Line" with an in-service date of May 2024; however, it does not list any actual project costs placed in service. Please explain if this project is in service as of July 2024 and please explain this discrepancy. Response to IPUC Data Request 216 The Company assumes that the reference to “Attachment 55-1” is intended to be a reference to the Company’s response to IPUC Data Request 55 and Attachment IPUC 55-1. Based on the foregoing assumption, the Company responds as follows: The in-service date indicated in the Attachment IPUC 55-1 was in error. Construction started in June 2024 and the current contractor schedule is for completion in December 2024. Recordholder: Ron Nagel / Lori Rolow Sponsor: Todd Jensen 1 Joe Dallas (ISB# 10330) Rocky Mountain Power 825 NE Multnomah, Suite 2000 Portland, OR 97232 Telephone: 360-560-1937 Email: joseph.dallas@pacificorp.com Attorney for Rocky Mountain Power BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION IN THE MATTER OF THE APPLICATION OF ROCKY MOUNTAIN POWER FOR AUTHORITY TO INCREASE ITS RATES AND CHARGES IN IDAHO AND APPROVAL OF PROPOSED ELECTRIC SERVICE SCHEDULES AND REGULATIONS ) ) ) ) ) ) ) ) ) ) ) ) CASE NO. PAC-E-24-04 ATTORNEY’S CERTIFICATE CLAIM OF CONFIDENTIALITY RELATING TO DISCOVERY RESPONSES I, Joe Dallas, represent Rocky Mountain Power in the above captioned matter. I am a senior attorney for Rocky Mountain Power. I make this certification and claim of confidentiality regarding the response to the attached Idaho Public Utilities Commission Staff discovery request pursuant to IDAPA 31.01.01 because Rocky Mountain Power, through its response, is disclosing certain information that is Confidential and/or constitutes Trade Secrets as defined by Idaho Code Section 74-101, et seq. and 48-801 and protected under IDAPA 31.01.01.067 and 31.01.01.233. Specifically, Rocky Mountain Power asserts the Company’s response IPUC Set 11 contain Company proprietary information that could be used to its commercial disadvantage. 2 Rocky Mountain Power herein asserts that the aforementioned responses contain confidential in that the information contains Company proprietary information. I am of the opinion that this information is “Confidential,” as defined by Idaho Code Section 74-101, et seq. and 48-801, and should therefore be protected from public inspection, examination and copying, and should be utilized only in accordance with the terms of the Protective Agreement in this proceeding. DATED this 3rd day of September, 2024. Respectfully submitted, By__________________________ Joe Dallas Senior Attorney Rocky Mountain Power