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Filing UE - 240891

Company: Avista Corporation
DBA: Avista Utilities
Filing Type: Tariff Revision
Case Status: Formal
Dates (Opened & Effective): 10/31/2024 & 01/01/2025
Summary: Revises Tariff WN U-28, Schedule 99, Colstrip Tracker. The purpose of this filing is to revise Schedule 99 rates to reflect forecasted costs for Colstrip Units 3 and 4 for calendar year 2025. The revised tariff would increase Avista’s annual revenues by $18 million, or 2.7 percent. A typical residential customer using 945 kWhs per month would see an increase of $4.47 per month, or 4.1 percent. (Do Not Change Summary.)

 

Document Type Date Description
Order - Other 04/13/2026 Order 09 Approving Payment
Letter - Compliance Acknowledgment 04/13/2026 Compliance Acknowledgement Letter re Revised Tariff Pages.
Letter - Staff Compliance Response 04/07/2026 Letter from Commission Staff confirming the Company's compliance with Order 08 and allowing the tariff pages to go into effect on July 1, 2026.
Compliance 03/31/2026 Tariff Schedule 99 Colstrip 2025 Compliance Filing, on behalf of Avista Corporation, from Elizabeth Andrews.
Document 03/03/2026 Request to Update Service List on behalf of the Alliance of Western Energy Consumers, from Anna V. Congdon.
Document 02/17/2026 Redacted Request for Payment, on behalf of NW Energy Coalition (NWEC), from Orran Balagopalan.
Document 01/16/2026 Redacted Request for Payment of its Avista Customer Representation Sub-Fund Grant, on behalf of Allliance of Western Energy Consumers, from Anna Congdon.
Notice - Errata 12/23/2025 Notice of Erratam to Final Order 08.
Notice - Errata 12/22/2025 Notice of Erratum to Final Order 08.
Order - Adjudication Final 12/19/2025 Final Order 08.
Response - Bench Request 12/02/2025 Redacted Response to Bench Request No. 5, on behalf of Avista Corporation, dba Avista Utilities, from Athena Allen.
Notice - Bench Request 11/24/2025 Notice of Bench Request (Due by 5 p.m., Tuesday, December 2, 2025)
Brief 10/27/2025 Redactedf Post-Hearing Brief, on behalf of the Alliance of Western Energy Consumers, from Anna V. Congdon.
Brief 10/24/2025 Redacted Post-Hearing Brief, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews.
Brief 10/24/2025 Brief and Supplemental Brief, on behalf of of NW Energy Coalition, from Yochanan Zakai.
Brief 10/24/2025 Redacted Post-Hearing Brief and Supplemental Briefing, on behalf of Staff, from Jeff Roberson.
Brief 10/24/2025 Redacted Post-Hearing Brief and Supplemental Brief, on behalf of Public Counsel, from Alexandra Kory.
Transcript 10/03/2025 Redacted Transcript; Volume 1; October 3, 2025; Pages 1-130. (via email)
Comment 10/10/2025 Public Comment Exhibit, Bench Request No. 04, and Attachment A, the UTC Comments Matrix, on behalf of Public Counsel, from Alexandra Kory.
Response - Bench Request 10/10/2025 Response to Bench Request No. 3, on behalf of NW Energy Coalition (NWEC), from Yochanan Zakai.
Notice 10/10/2025 Notice of Request for Supplemental Briefing.
Transcript 09/24/2025 Transcript; Volume 2; September 24, 2025; Pages: 25-46. (via email)
Response 10/08/2025 Redacted Response to Bench Request No. 2, on behalf of Avista Corporation, dba Avista Utilities, from Athena Allen.
Notice - Bench Request 10/07/2025 Notice of Bench Requests No. 2 and 3.
Recording 10/06/2025 Public Comment Hearing Recording
Exhibit - Final 10/01/2025 Redacted version of Revised Exh. SJK-13Cr, Substituting the Executed Final Letter Agreement Between Avista and Northwest Energy Coalition, on behalf of Avista Corporation, dba Avista Utilities, from David Meyer.
Exhibit - Final 10/01/2025 Revised Electronic Copies of Exh. SJK-11CTr, page 3, per Order 06, on behalf of Avista Corporation, dba Avista Utilities, from David Meyer.
Motion 10/01/2025 Redacted Motion to Submit Late-Filed Exh. SJK-30C of Company witness Mr. Kinney, on behalf of Avista Corporation d/b/a Avista Utilities, from David Meyer.
Order - Other 10/01/2025 Granting Avista Corporation's Motion for Leave to File Revise Exhibit
Exhibit - Proposed 09/29/2025 Corrected Proposed Cross Exhibits, on behalf of NW Energy Coalition, from Yochanan Zakai.
Order - Other 09/30/2025 Order 06 Granting NWEC's Motion to Strike a Portion of the Rebuttal Testimony of Avista Corporation Witness Scott J. Kinney.
Response - Bench Request 09/29/2025 Response to Bench Request No. 1, on behalf of Staff, from Jeff Roberson.
Exhibit - Proposed 09/26/2025 Redacted Proposed Cross examination Exhibits for Scott Kinney, and Elizabeth Andrews, on behalf of Public Counsel, from Robert Sykes.
Exhibit - List 09/26/2025 Consolidated Exhibit List Pursuant to Order 03, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews.
Exhibit - Proposed 09/26/2025 Proposed Cross Exhibits of Scott Kinney, on behalf of NW Energy Coalition, from Yochanan Zakai.
Notice - Bench Request 09/26/2025 Notice of Bench Request No. 1.
Motion 09/22/2025 Redacted Motion to File Redacted and Unredacted versions of Revised Exh. SJK-13Cr, Substituting the Executed Final Letter Agreement Between Avista and NorthWestern Energy, on behalf of Avista Corporation, from David Meyer.
Response 09/16/2025 Response to NWEC’s Motion, on behalf of the Avista Corporation, from Elizabeth Andrews.
Motion 09/12/2025 Motion to Strike a Portion of the Rebuttal Testimony of Avista Corporation Witness Scott J. Kinney, on behalf of NW Energy Coalition, from Yochanan Zakai.
Notice - Appearance 09/11/2025 Notice of Appearance of Jeff Roberson, on behalf of Staff, from Jeff Roberson.
Confidentiality Agreement 09/10/2025 Confidentiality Agreement signed by Jeff Roberson, on behalf of Staff, from Jeff Roberson
Testimony 08/25/2025 Cross Answering Testimony of Lauren McCloy, on behalf of the NW Energy Coalition (NWEC), from Yochanan Zakai.
Letter 08/25/2025 Notification that they do not intend to file Cross Answering Testimony, on behalf of the Alliance of Western Energy Consumers (AWEC), from Sommer Moser.
Letter 08/25/2025 Letter, on behalf of Staff, from Nash Callaghan.
Testimony 08/25/2025 Cross Answering Testimony of Jean Marie Dreyer, on behalf of Public Counsel, from Tad Robinson O'Neill.
Testimony 08/25/2025 Redacted Rebuttal Testimony of Scott Kinney and Testimony of Elizabeth Andrews, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews.
Notice of Hearing 08/22/2025 Notice of Virtual Public Comment Hearing.
Notice 08/15/2025 Notice of Addition of Co-Presiding Officer.
Notice 08/13/2025 Customer Notice, on behalf of Avista Corporation d/b/a Avista Utilities, from Joe Miller.
Testimony 07/24/2025 Redacted Response Testimony and Exhibits of Bradley Mullins, on behalf of Alliance of Western Energy Consumers, from Julitta Brannon.
Testimony 07/24/2025 Redacted response Testimony and Exhibits of Jean Marie Dreyer, on behalf of Public Counsel, from Alexandra Kory.
Testimony 07/24/2025 Redacted Testimony of Lauren McCloy and Brad Cebulko, on behalf of NW Energy Coalition, from Yochanan Zakai.
Testimony 07/24/2025 Redacted Testimony and Exhibits of Chris McGuire, and Exhibit List, on behalf of Staff, from Nash Callaghan.
Order - Other 07/15/2025 Order 05 Denying Public Counsel Motion for Relief from Order 03
Confidentiality Agreement 07/02/2025 Confidentiality Agreement signed by Erik Olson, on behalf of NW Energy Coalition, from Yochanan Zakai.
Motion 06/30/2025 Motion for Relief from Prehearing Conference Order 03, on behalf of Public Counsel, from Tad Robinson O'Neill.
Document 06/10/2025 Revises Certificate of Service, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews.
Testimony 06/09/2025 Redacted Direct Testimony and Exhibits of Scott J. Kinney, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews.
Order - Other 05/27/2025 Order 04 Granting NWEC's Motion to Revise Proposed Budget and Order Approving Proposed Budgets and Fund Grants.
Motion 05/12/2025 Motion to Revise Proposed Budget, on behalf of NW Energy Coalition (NWEC), from Yochanan Zakai.
Confidentiality Agreement 05/06/2025 Confidentiality Agreement signed by Alexandra Kory, on behalf of Public Counsel, from Jean Martin.
Notice - Appearance 05/06/2025 Notice of Appearance of Tad Robinson O'Neill, Jessica Johanson-Kubin, Alexandra Kory and Robert Sykes, on behalf of Public Counsel, from Jean Martin.
Notice - Appearance 04/10/2025 Notice of Appearance of Orran Balagopalan on behalf of NW Energy Coalition, from Orran Balagopalan.
Transcript 03/06/2025 Transcript; Volume 1; March 6, 2025; Pages 1-24. (via email)
Document 04/07/2025 Proposed Budget for Fund Grant, on behalf of NW Energy Coalition (NWEC), from Yochanan Zakai.
Document 04/07/2025 Proposed Budget for Fund Grant, on behalf of Alliance of Western Energy Consumers, from Julitta Brannon.
Confidentiality Agreement 04/03/2025 Confidentiality Agreement of Kai Hiatt, on behalf of Public Counsel, from Jean Martin.
Confidentiality Agreement 04/01/2025 Confidentiality Agreement of Bradley Cebulko, on behalf of NW Energy Coalition, from Yochanan Zakai.
Compliance 03/28/2025 Status Update, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews.
Confidentiality Agreement 03/24/2025 Signed Confidentiality Agreement of Lauren McCloy, on behalf of Northwest Energy Coalition, from Elizabeth Andrews.
Notice - Errata 03/24/2025 Notice of Errata to Order 03
Confidentiality Agreement 03/20/2025 Confidentiality Agreement of Lauren McCloy, on behalf of NW Energy Coalition, from Yochanan Zakai.
Order - Prehearing Conference 03/21/2025 Order 03 Prehearing Conference Order; Notice of Hybrid Evidentiary Hearing (Set for October 3, 2025, at 9 a.m.)
Confidentiality Agreement 03/18/2025 Confidentiality Agreements signed by Stephan de Vlilliers , Jean Marie Dreyer, Callahan Moriyasu, Bradly Mullens, Chris McGuire, Corey Dahl, Crystal Oliver, Neiri Carrasco, Jacque Hawkins-Jones and Sean Laue, on behalf of Avista Corporation d/b/a/ Avista Utilities, from Elizabeth Andrews.
Confidentiality Agreement 03/17/2025 Confidentiality Agreements signed by Nash Callaghan, Josephine Strauss, Chris McGuire, Corey Dahl, Crystal Oliver, Neiri Carrasco, Jacque Hawkins-Jones and Sean Laue, on behalf of Staff, from Nash Callaghan.
Confidentiality Agreement 03/13/2025 Confidentiality Agreements of Tad Robinson O'Neill, Robert Sykes, Jessica Johanson-Kubin, Alexandra Kory, Roman Doyonnas, Brice C. Hartman, Jean Martin, Jean Marie Dreyer, Stefan de Villiers, and Callahan Moriyasu, on behalf of Public Counsel, from Jean Martin
Confidentiality Agreement 03/13/2025 Confidentiality Agreement of Bradley Mullins, on behalf of the Alliance of Western Energy Consumers, from Julitta Brannon.
Confidentiality Agreement 03/10/2025 Confidentiality Agreements of Tyler Pepple, Sommer Moser, and Michelle Madsen, on behalf of Alliance of Western Energy Consumers, from Julitta Brannon.
Letter 03/10/2025 Service List Update, on behalf of The Alliance of Western Energy Consumers (AWECE), from Julitta Brannon.
Notice - Errata 03/10/2025 Notice of Errata to Order 02.
Confidentiality Agreement 03/10/2025 Confidentiality Agreement signed by William Gehrke, on behalf of Avista Corporation d/b/a/ Avista Utilities, from Elizabeth Andrews.
Petition 03/06/2025 Petition for Case Certification and Notice of Intent to Request Fund Grant, on behalf of Alliance of Western Energy Consumers, from Julitta Brannon.
Confidentiality Agreement 03/07/2025 Confidentiality Agreement of Yochanan Zakai and William Gehrke, on behalf of NW Energy Coalition, from Yochanan Zakai.
Order - Protective 03/06/2025 Order 02 Protective Order.
Petition 03/03/2025 Petition to Intervene and Request for Case Certification and Notice of Intent to Request a Fund Grant of NW Energy Coalition, on behalf of NW Energy Coalition, from Yochanan Zakai.
Notice - Appearance 03/03/2025 Notice of Appearance for Josephine Strauss, on behalf of Staff, from Josephine Strauss.
Petition 02/27/2025 Petition to intervene, on behalf of Alliance of Western Energy Consumers, from Michelle N. Madsen.
Notice of Hearing 02/11/2025 Notice of Prehearing Conference (Set for March 6, 2025, at 9:30 a.m.).
Notice - Appearance 01/27/2025 Notice of Appearance of Nash Callaghan, on behalf of Staff, from Nash Callaghan
MAIN SERVICE LIST 03/03/2026 MAIN SERVICE LIST
Notice - Appearance 01/09/2025 Notice of Appearance of Tad Robinson O'Neill, Jessica Johanson-Kubin and Robert Sykes, on behalf of Public Counsel, from Jessica Johanson-Kubin.
Letter - Compliance Acknowledgment 12/26/2024 Compliance Acknowledgement Letter
Letter - Staff Compliance Response 12/23/2024 Letter from Staff confirming Avista's compliance with Order 01.
Compliance 12/20/2024 Compliance Filing, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews.
Order - Open Meeting Final 12/20/2024 Order 01 Complaint and Order Allowing Rates Subject to Later Review and Refund; Setting Matter for Adjudication. (Corrected)
Order - Open Meeting Final 12/19/2024 Order 01 Complaint and Order Suspending Tariff Revisions; Allowing Rates Subject to Later Review and Refund.
Open Meeting Memo 12/19/2024 Open Meeting Memo for the December 19, 2024 Open Meeting.
Notice 12/13/2024 Customer Notice, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews.
Workpapers 10/31/2024 Redacted Workpapers, on behalf of Avista Corporation, d/b/a Avista Utilities from Elizabeth Andrews.
Initial Filing 10/31/2024 Tariff Revision, on behalf of Avista Corporation, d/b/a Avista Utilities from Elizabeth Andrews.