Avista Corporation, et al. v. Bonneville Power Administration, et al.
Petitioner: NORTHWESTERN CORPORATION, d/b/a Northwestern Energy, AVISTA CORPORATION, PACIFICORP, PORTLAND GENERAL ELECTRIC COMPANY, PUGET SOUND ENERGY, INC. and IDAHO POWER COMPANY
Respondent: BONNEVILLE POWER ADMINISTRATION and JOHN HAIRSTON, Administrator and Chief Executive Officer, Bonneville Power Administration
Intervenor: NORTHWEST REQUIREMENTS UTILITIES, WESTERN PUBLIC AGENCIES GROUP, PUBLIC POWER COUNCIL INC and PACIFIC NORTHWEST GENERATING COOPERATIVE
Case Number: 26-2569
Filed: April 24, 2026
Court: U.S. Court of Appeals, Ninth Circuit
Nature of Suit: Other
Docket Report

This docket was last retrieved on June 16, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
June 16, 2026 Filing 23 ADDED Intervenor - Pending Pacific Northwest Generating Cooperative, Counsel for Intervenor - Pending Richard W. Stover [Entered: 06/16/2026 01:25 PM]
June 16, 2026 Filing 22 MOTION to Intervene filed by Pacific Northwest Generating Cooperative. [Entered: 06/16/2026 11:11 AM]
June 5, 2026 Filing 21 ADDED Intervenor - Pending Western Public Agencies Group, with counsel Ryan Sean Neale. [Entered: 06/05/2026 11:56 AM]
June 5, 2026 Filing 20 MOTION to Intervene filed by Western Public Agencies Group. [Entered: 06/05/2026 09:53 AM]
June 2, 2026 Filing 19 MEDIATION STATUS REPORT DUE. Mediation Petitioner Status Report due (Petitioner) 7/8/2026, Mediation Respondent Status Report due (Respondent) 7/8/2026. See order for instructions and details. [Entered: 06/02/2026 01:07 PM]
May 28, 2026 Opinion or Order Filing 18 ORDER FILED. The motions (Docket Entry Nos. 13 & 16) to intervene are granted. The opening brief is due July 13, 2026. The answering brief is due August 12, 2026. The intervenors briefs are due September 11, 2026. The optional reply brief is due 21 days after the last intervenors brief is filed. [Entered: 05/28/2026 04:31 PM]
May 21, 2026 Filing 17 ADDED Intervenor - Pending Public Power Council Inc, Counsel for Intervenor - Pending Irion Sanger [Entered: 05/21/2026 04:28 PM]
May 21, 2026 Filing 16 MOTION to Intervene filed by Public Power Council. [Entered: 05/21/2026 04:10 PM]
May 20, 2026 Filing 15 MEDIATION CONFERENCE SCHEDULED - DIAL-IN Assessment Conference, 6/2/2026, 10:00 a.m. PACIFIC Time. See order for instructions and details. [Entered: 05/20/2026 10:22 AM]
May 5, 2026 Filing 14 ADDED Intervenor - Pending Northwest Requirements Utilities, Counsel for Intervenor - Pending Matthew Schroettnig [Entered: 05/05/2026 09:19 AM]
May 4, 2026 Filing 13 MOTION to Intervene filed by Northwest Requirements Utilities. [Entered: 05/04/2026 06:01 PM]
April 30, 2026 Filing 12 DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Petitioner Idaho Power Company. [Entered: 04/30/2026 07:28 AM]
April 27, 2026 Filing 11 DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Petitioner Puget Sound Energy, Inc.. [Entered: 04/27/2026 03:32 PM]
April 27, 2026 Filing 10 DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Petitioner Portland General Electric Company. [Entered: 04/27/2026 03:21 PM]
April 27, 2026 Filing 9 DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Petitioner PacifiCorp. [Entered: 04/27/2026 03:19 PM]
April 27, 2026 Filing 8 DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Petitioner NorthWestern Corporation. [Entered: 04/27/2026 03:15 PM]
April 27, 2026 Filing 7 DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Petitioner Avista Corporation. [Entered: 04/27/2026 02:53 PM]
April 27, 2026 Filing 6 MEDIATION QUESTIONNAIRE filed by Petitioner NorthWestern Corporation, Petitioner Avista Corporation, Petitioner PacifiCorp, Petitioner Portland General Electric Company, Petitioner Puget Sound Energy, Inc.. To submit pertinent confidential information directly to the Circuit Mediators, please email #[email protected] and include the case name and number in the subject line. Confidential submissions may include any information relevant to mediation of the case and settlement potential, including, but not limited to, settlement history, ongoing or potential settlement discussions, non-litigated party related issues, other pending actions, and timing considerations that may impact mediation efforts. [Entered: 04/27/2026 02:15 PM]
April 27, 2026 Filing 5 ADDED Counsel for Respondent Richard A. Greene [Entered: 04/27/2026 09:31 AM]
April 27, 2026 Filing 4 NOTICE OF APPEARANCE by Richard A. Greene for Respondent Bonneville Power Administration, Respondent John Hairston. [Entered: 04/27/2026 09:25 AM]
April 24, 2026 Filing 3 SCHEDULE NOTICE. Petitioner Opening Brief due (Petitioner) 7/13/2026, Mediation Questionnaire due (Petitioner) 4/29/2026, Respondent Answering Brief due (Respondent) 8/12/2026. All briefs shall be served and filed pursuant to FRAP 31 and 9th Cir. R. 31-2.1. Failure of the petitioner to comply with this briefing schedule will result in automatic dismissal of the appeal. See 9th Cir. R. 42-1 [Entered: 04/24/2026 04:45 PM]
April 24, 2026 Filing 2 CASE OPENED. Petition for Review has been received in the Clerk's office of the United States Court of Appeals for the Ninth Circuit on 4/24/2026. The U.S. Court of Appeals docket number 26-2569 has been assigned to this case. All communications with the court must indicate this Court of Appeals docket number. Please carefully review the docket to ensure the name(s) and contact information are correct. It is your responsibility to alert the court if your contact information changes. Resources Available For more information about case processing and to assist you in preparing your brief, please review the Case Opening Information (for #attorneys and #pro se litigants) and review the #Appellate Practice Guide. Attorneys should consider contacting the court's #Appellate Mentoring Program for help with the brief and argument. [Entered: 04/24/2026 04:43 PM]
April 24, 2026 Filing 1 PETITION FOR REVIEW filed by Petitioner Avista Corporation, Petitioner Idaho Power Company, Petitioner NorthWestern Corporation, Petitioner PacifiCorp, Petitioner Portland General Electric Company, Petitioner Puget Sound Energy, Inc.. [Entered: 04/24/2026 04:42 PM]

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Search for this case: Avista Corporation, et al. v. Bonneville Power Administration, et al.
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Petitioner: NORTHWESTERN CORPORATION, d/b/a Northwestern Energy
Represented By: Ms. Sarah Douglas
Represented By: Mr. Ronald Scott Novak, Jr
Represented By: Christopher Edward Tutunjian
Represented By: Mr. Aaron Michael Streett
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Petitioner: AVISTA CORPORATION
Represented By: Ms. Sarah Douglas
Represented By: Mr. Ronald Scott Novak, Jr
Represented By: Christopher Edward Tutunjian
Represented By: Mr. Aaron Michael Streett
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Petitioner: PACIFICORP
Represented By: Ms. Sarah Douglas
Represented By: Mr. Ronald Scott Novak, Jr
Represented By: Christopher Edward Tutunjian
Represented By: Mr. Aaron Michael Streett
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Petitioner: PORTLAND GENERAL ELECTRIC COMPANY
Represented By: Ms. Sarah Douglas
Represented By: Mr. Ronald Scott Novak, Jr
Represented By: Christopher Edward Tutunjian
Represented By: Mr. Aaron Michael Streett
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Petitioner: PUGET SOUND ENERGY, INC.
Represented By: Ms. Sarah Douglas
Represented By: Mr. Ronald Scott Novak, Jr
Represented By: Christopher Edward Tutunjian
Represented By: Mr. Aaron Michael Streett
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Petitioner: IDAHO POWER COMPANY
Represented By: Ms. Sarah Douglas
Represented By: Mr. Ronald Scott Novak, Jr
Represented By: Christopher Edward Tutunjian
Represented By: Mr. Aaron Michael Streett
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Respondent: BONNEVILLE POWER ADMINISTRATION
Represented By: Mr. Sean Edward Martin
Represented By: Mr. Marcus Chong Tim
Represented By: Richard A. Greene
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Respondent: JOHN HAIRSTON, Administrator and Chief Executive Officer, Bonneville Power Administration
Represented By: Richard A. Greene
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Intervenor: NORTHWEST REQUIREMENTS UTILITIES
Represented By: Matthew Schroettnig
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Intervenor: WESTERN PUBLIC AGENCIES GROUP
Represented By: Mr. Ryan Sean Neale
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Intervenor: PUBLIC POWER COUNCIL INC
Represented By: Mr. Irion Sanger
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Intervenor: PACIFIC NORTHWEST GENERATING COOPERATIVE
Represented By: Richard W. Stover
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