Cap-and-Invest: Centralized electricity markets comment period

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Comment From: Sidney Villanueva

5/20/26 @ 5:56 PM
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Comment From: PacifiCorp (Kieran O'Donnell)

5/20/26 @ 4:20 PM
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Comment From: Avista Corporation (Janna Dubnicka)

5/20/26 @ 3:15 PM
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Comment From: The Energy Authority (Chris Weber)

5/20/26 @ 3:07 PM
Please find attached TEA's comments. Thank you!
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Comment From: Public Generating Pool (Nikkole Hughes)

5/20/26 @ 2:57 PM
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Comment From: Puget Sound Energy (Cameron Reed)

5/20/26 @ 2:32 PM
Hello,

Please find attached Puget Sound Energy's comments on Ecology's Cap-and-Invest Program Updates and Linkage Rulemaking WAC 173-441-124 Draft Rule Language issued April 20, 2026.

Thank you
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Comment From: Bonneville Power Administratio... (Alisa Kaseweter)

5/20/26 @ 2:00 PM
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Comment From: Western Power Trading Forum (Clare Breidenich)

5/20/26 @ 1:04 PM
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Comment From: Portland General Electric (Chloe Becker)

5/20/26 @ 11:16 AM
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Comment From: TransAlta (Denelle Peacey)

5/15/26 @ 11:46 AM
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Comment From: WPTF (Clare Breidenich)

2/24/26 @ 1:00 AM
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Comment From: Puget Sound Energy (Jessica Zahnow)

2/20/26 @ 8:22 PM
February 20, 2026

Andrew Hayes, Cap-and-Invest Policy Section Manager
Camille Sultana, Cap-and-Invest Environmental Planner Department of Ecology
Air Quality Program
P.O. Box 47600
Olympia, WA 98504-7600


RE: PSE comments on Ecology's Request f...↓
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Comment From: Inland Power and Light Coopera... (Kim Gentle)

2/20/26 @ 6:55 PM
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Comment From: PNGC Power (Chris Allen)

2/20/26 @ 5:59 PM
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Comment From: NIPPC (Sidney Villanueva)

2/20/26 @ 5:41 PM
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Comment From: Bonneville Power Administratio... (Alisa Kaseweter)

2/20/26 @ 5:15 PM
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Comment From: Public Generating Pool (Nikkole Hughes)

2/20/26 @ 5:10 PM
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Comment From: TransAlta (Denelle Peacey)

2/20/26 @ 4:16 PM
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Comment From: The Energy Authority (Chris Weber)

2/20/26 @ 3:18 PM
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Comment From: Avista Corporation (Janna Dubnicka)

2/20/26 @ 2:59 PM
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Comment From: PacifiCorp (Kieran O'Donnell)

2/20/26 @ 2:53 PM
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Comment From: Big Bend Electric Cooperative (Christina Wyatt)

2/20/26 @ 1:57 PM
Attached file.
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Comment From: Portland General Electric (Nancy Bennett)

2/20/26 @ 11:40 AM
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Comment From: Alliance of Western Energy Con... (Bill Gaines)

2/20/26 @ 11:18 AM
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Comment From: Georgia-Pacific LLC (Brandon Wood)

2/20/26 @ 10:12 AM
Georgia-Pacific LLC ("GP") appreciates the opportunity to file these comments on the Washington Department of Ecology's ("Ecology") February 5, 2026 Request for Feedback on Centralized Electricity Markets and Electricity Imports ("Request"). The Req...↓
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Comment From: Southwest Power Pool (Kim O'Guinn)

2/20/26 @ 7:22 AM
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Comment From: Seattle City Light

7/31/25 @ 12:00 AM
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Comment From: PacifiCorp (Kieran O'Donnell)

7/30/25 @ 5:55 PM
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Comment From: The Energy Authority (Alison Gill)

7/30/25 @ 5:15 PM
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Comment From: CAISO (Anja Gilbert )

7/30/25 @ 4:48 PM
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Comment From: Puget Sound Energy (Jessica Zahnow)

7/30/25 @ 4:14 PM

July 30, 2025


Andrew Hayes, Cap-and-Invest Policy Section Manager
Camille Sultana, Cap-and-Invest Environmental Planner Department of Ecology
Air Quality Program
P.O. Box 47600
Olympia, WA 98504-7600


RE: Rulemaking � Chapter 173-446 and -441 ...↓
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Comment From: United States Department of En... (Bryan Trimberger)

7/30/25 @ 3:50 PM
Please see the attached file for the United States Department of Energy Hanford Site comments on
the proposed rule.
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Comment From: Avista Corporation (Janna Loeppky)

7/30/25 @ 3:50 PM
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Comment From: Western Power Trading Foru (Clare Breidenich)

7/30/25 @ 2:51 PM
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Comment From: Portland General Electric (Nancy Bennett)

7/30/25 @ 2:50 PM
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Comment From: Public Generating Pool (Nikkole Hughes)

7/30/25 @ 2:34 PM
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Comment From: Bonneville Power Administratio... (Alisa Kaseweter)

7/30/25 @ 2:06 PM
BPA comments in response to Ecology's June 26, 2025 Cap-and-Invest Electricity Forum on electricity imports and centralized electricity markets
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Comment From: Seattle City Light

4/18/25 @ 8:58 PM
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Comment From: CAISO (Anja Gilbert)

4/18/25 @ 5:03 PM
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Comment From: Joint Utilities (Nikkole Hughes)

4/18/25 @ 3:49 PM
The attached comments are submitted jointly by Avista, PacifiCorp, the Public Generating Pool, and Puget Sound Energy ("Joint Utilities").
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Comment From: Public Generating Pool (Nikkole Hughes )

4/18/25 @ 3:48 PM
The attached comments are submitted by the Public Generating Pool.
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Comment From: BPA (Alisa Kaseweter)

4/18/25 @ 1:43 PM
Comments from Bonneville Power Administration regarding Ecology's March 6, 2025 cap-and-invest electricity forum and related questions.
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Comment From: TransAlta (Denelle Peacey)

4/18/25 @ 1:08 PM
Please see attached comments on behalf of TransAlta.
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Comment From: WPTF (Clare Breidenich)

4/18/25 @ 12:55 PM
Comments of the Western Power Trading Forum
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Comment From: Southwest Power Pool (SPP)

4/18/25 @ 12:00 PM
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Comment From: PacifiCorp (Kieran O'Donnell)

4/18/25 @ 7:47 AM
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Comment From: CRS (Lucas Grimes)

4/17/25 @ 4:03 PM
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Comment From: Powerex (Shelby Kitt)

4/17/25 @ 3:24 PM
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