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Home My WebLink About20190329IPC to Staff Supplemental 1.pdf3Effi*o An IDACORP Company LISA D. NORDSTROM Lead Counsel I nordstrom@idahopower.com March 29,2019 VIA HAND DELIVERY Diane Hanian, Secretary Idaho Public Utilities Commission 472 West Washington Street Boise, ldaho 83702 Re Case No. IPC-E-18-16 Study of Fixed Costs of Providing Electric Service to Customers ldaho Power Company's SUPPLEMENTAL Response to the First Production Request of the Commission Staff Dear Ms. Hanian Enclosed for filing are an original and three (3) copies of ldaho Power Company's SUPPLEMENTAL Response to the First Production Request of the Commission Staff. Also enclosed is one copy of a disk containing the supplemental information being produced in response to Staff's Request No. 1. !f you have any questions about the enclosed documents, please do not hesitate to contact me. Very truly yours, Lisa LDN:kkt Enclosures LISA D. NORDSTROM (lSB No. 5733) ldaho Power Company 1221West ldaho Street (83702) P.O. Box 70 Boise, ldaho 83707 Telephone: (208) 388-5825 Facsimile. (208) 388-6936 I no rd strom @ id a hopowe r. com Attorney for ldaho Power Company BEFORE THE IDAHO PUBLIC UTILIT!ES COMMISSION IN THE MATTER OF THE PETITION OF IDAHO POWER COMPANY TO STUDY FIXED COSTS OF PROVIDING ELECTRIC SERVICE TO CUSTOMERS CASE NO. IPC-E-18-16 IDAHO POWER COMPANY'S SUPPLEMENTAL RESPONSE TO THE FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF COMES NOW, ldaho Power Company ("ldaho Power" or "Company"), and in response to the First Production Request of the Commission Staff to ldaho Power Company dated November 21,2018, herewith supplements the following information: IDAHO POWER COMPANY'S SUPPLEMENTAL RESPONSE TO THE FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 1 ) ) ) ) ) ) ) ) REQUEST NO. 1: ln Order No 34046, the Commission ordered the Company to "undertake a comprehensive customer fixed cost analysis" to include "exploring fixed- cost recovery in basic charges and other rate design options." See Order No. 34046 at 23. Please provide all relevant studies and reports conducted by the Company or on its behalf within the last 3 years. SUPPLEMENTAL RESPONSE TO REQUEST NO. 1: ln preparation of its response to Vote Solar's First Production Request in Case No. IPC-E-18-15, Idaho Power discovered a portion of the original load research data utilized to develop the preliminary class cost-of-service study provided in the Company's response to Staff's Request No. 1 in Case Nos. !PC-E-18-15 and IPC-E-18-16 did not conform to the methodology described in the accompanying Attachment No. 4 to the initial response. Specifically, the 2017 normalized load research data utilized to prepare the cost-of- service study did not include the adjustment to remove the impact of demand response programs as described in Attachment 4. Additionally, in its review, the Company determined that the class data initially relied upon for Schedule 6 and 8 customers included all months of service, which encompasses the first partial month of service if applicable. To be consistent with the Company's established load research sampling methodology, data collection should only begin during the first complete calendar month of service under the rate schedule. This effort ensures consistent treatment of customer classes for the derivation of system-coincident and group-coincident demands. The Company is providing all impacted workpapers that have been updated from the preliminary class cost-of-service study with this supplemental response. IDAHO POWER COMPANY'S SUPPLEMENTAL RESPONSE TO THE FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 2 The response to this Request is sponsored by Connie Aschenbrenner, Rate Design Senior Manager, ldaho Power Company, and Matt Larkin, Revenue Requirement Senior Manager, ldaho Power Company. DATED at Boise, ldaho, this 29th day of March 2019. LISA D. NOR Attorney for ldaho Power Company IDAHO POWER COMPANY'S SUPPLEMENTAL RESPONSE TO THE FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 3 CERTIFICATE OF SERVICE I HEREBY CERTIFY that on the 29th day of March 2019 I served a true and correct copy of IDAHO POWER COMPANY'S SUPPLEMENTAL RESPONSE TO THE FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF upon the following named parties by the method indicated below, and addressed to the following: Commission Staff Edward Jewell Deputy Attorney General ldaho Public Utilities Commission 47 2 W est Wash in gton (83702) P.O. Box 83720 Boise, ldaho 83720-007 4 !daHydro C. Tom Arkoosh ARKOOSH LAW OFFICES 802 West Bannock Street, Suite LP 103 P.O. Box 2900 Boise, ldaho 83701 ldaho Conseruation League and NW Energy Coalition Benjamin J. Otto ldaho Conservation League 710 North 6th Street Boise, ldaho 83702 ldaho lrrigation Pumpers Association, lnc. Eric L. Olsen ECHO HAWK & OLSEN, PLLC 505 Pershing Avenue, Suite 100 P.O. Box 6119 Pocatello, ldaho 83205 Anthony Yankel 12700 Lake Avenue, Unit 2505 Lakewood, Ohio 44107 Hand Delivered _U.S. Mail _Overnight Mail _FAXX FTP SiteX Email edward.iewell@puc.idaho.qov _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email tom.arkoosh@arkoosh.com eri n. ceci l@arkoosh. com _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX fmail botto@idahoconseryalan qtg dieqo@nwenerqv.orq _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email elo@echohawk.com _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email tonv@vankel.net IDAHO POWER COMPANY'S SUPPLEMENTAL RESPONSE TO THE FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 4 Vote Solar Briana Kobor Vote Solar 358 South 700 East, Suite 8206 Salt Lake City, Utah 84102 David Bender Earthjustice 3916 Nakoma Road Madison, Wisconsin 537 1 1 Al Luna Nick Thorpe 1625 Massachusetts Avenue, NW, Suite 702 Washington, DC 20036 City of Boise Abigail R. Germaine Deputy City Attorney Boise City Attorney's Office 150 North Capitol Boulevard P.O. Box 500 Boise, ldaho 83701 -0500 Idaho GIean Energy Association Preston N. Carter GIVENS PURSLEY LLP 601 West Bannock Street Boise, ldaho 83702 Sierra Club Kelsey Jae Nunez KELSEY JAE NUNEZLLC 920 North Clover Drive Boise, ldaho 83703 _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email briana@votesolar.o I(l _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email dbender@earthiustice.orq _Hand Delivered U.S. Mail _Overnight Mail_FAXX FTP SiteX Email aluna@earthiustice.orq@ _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email aqermaine@cityofboise.orq _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email prestoncarter@qivenspursley.com _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email kelsev@ke IDAHO POWER COMPANY'S SUPPLEMENTAL RESPONSE TO THE FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 5 nunez.com Zack Waterman Michael Heckler ldaho Sierra Club 503 West Franklin Street Boise, ldaho 83702 Avista Corporation David J. Meyer Avista Corporation 1411 East Mission Avenue, MSC 27 P.O. Box 3727 Spokane, Wash i ngto n 99220-37 27 Patrick D. Ehrbar Avista Corporation 1411 East Mission Avenue, MSC 27 P.O. Box 3727 Spokane, Wash i ngto n 99220-37 27 PacifiCorp d/b/a Rocky Mountain Power Yvonne R. Hogle Rocky Mountain Power 1407 West North Temple, Suite 320 Salt Lake City, Utah 84116 Ted Weston Rocky Mountain Power 1407 West North Temple, Suite 330 Salt Lake City, Utah 84116 _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email zack.waterman@sierraclub.org michael. p. heckler@omail.com _Hand Delivered U.S. Mail _Overnight Mail_FAXX FTP SiteX Email david.mever@avistacorp.com _Hand Delivered U.S. Mail _Overnight Mail_FAXX FTP SiteX Email patrick.ehrbar@avistacorp.com ioe. miller@avistacorp. com _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email wonne.hog corp.com _Hand Delivered U.S. Mail _Overnight Mail _FAXX FTP SiteX Email ted.weston@pacificorp.com 0 ,r,^4/ Executive AssistantT IDAHO POWER COMPANY'S SUPPLEMENTAL RESPONSE TO THE FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 6