Research & Data

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Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.

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Presentation (WAC 173-441) 7-25-23

This is a presentation for the July 25, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/presentation-wac-173-441-7-25-23

Presentation (WAC 173-441) 8-2-23

This is a presentation for the August 2, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/presentation-wac-173-441-8-2-23

Presentation (WAC 173-441) 8-17-23

This is a presentation for the August 17, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/presentation-wac-173-441-8-17-23

Presentation (WAC 173-441) 9-12-23

This is a presentation for the September 12, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/presentation-wac-173-441-9-12-23

Presentation (WAC 173-441) 10-12-23 & 10-16-23

This is the presentation for the October 12 and 16, 2023 meetings to provide feedback on draft rule language for the Electricity Markets rulemaking.

https://ecology.wa.gov/presentation-wac-173-441-10-12-23-10-16-23

Presentation (WAC 173-446) 10-24-23

This is a presentation for the October 24, 2023 public meeting for Chapter 173-446-APCR WAC, Allowance Price Containment Reserve rulemaking.

https://ecology.wa.gov/presentation-wac-173-446-10-24-23

Presentation (WAC 173-441) 11-8-23

These are the presentation slides for the November 8, 2023 public meeting for Chapter 173-441 WAC, Electricity Markets rulemaking.

https://ecology.wa.gov/presentation-wac-173-441-11-8-23

Presentation (WAC 173-446) 11-14-23

This is a presentation for the November 14, 2023 public meeting for Chapter 173-446 WAC, Cap-and-invest rulemaking.

https://ecology.wa.gov/presentation-wac-173-446-11-14-23

Presentation (WAC 173-446B) 11-30-23

These are the presentation slides for the November 30, 2023 meeting to provide feedback on draft rule language for the CCA Funds Reporting rulemaking.

https://ecology.wa.gov/presentation-wac-173-446b-11-30-23

Presentation (WAC 173-441) 1-24-24

These are the presentation slides for the January 24, 2024 meeting on updated draft rule language for the Electricity Markets rulemaking.

https://ecology.wa.gov/presentation-wac-173-441-1-24-24

Cap-and-Invest Linkage Rulemaking Public Meeting

.pdf of July 10 public meeting presentation

https://ecology.wa.gov/presentation-wac-173-441-446-7-10-24

Cap-and-Invest Linkage and Environmental Justice

.pdf presentation for July 22 public meeting on Linkage and Environmental Justice

https://ecology.wa.gov/presentation-wac-173-441-446-7-22-24

Electricity Markets Rulemaking Proposed Rule Overview

.pdf presentation for Aug. 6 & 8 public meetings

https://ecology.wa.gov/presentation-wac-173-441-446-8-6-24-8-8-24

CFS Rulemaking Updates

Slideshow presentation from the Sept. 9 and 12, 2024, CFS Rulemaking Update webinar

https://ecology.wa.gov/presentation-wac-173-424-9-9-and-9-12-2024

Presentation (WAC 173-446) 10-21-24

This is a presentation for the October 21, 2024 public meeting for Chapter 173-446 WAC, Cap-and-invest rulemaking.

https://ecology.wa.gov/presentation-wac-173-446-11-14-23-540261c1d121085d0b0e570d950387a7

Chapter 173-441 and -446 WAC Linkage Rulemaking - Electricity Considerations

Slideshow presentation from the Cap-and-Invest linkage rulemaking public meeting (Nov. 19, 2024)

https://ecology.wa.gov/presentation-wac-173-441-446-11-19-24

HFCs & other fluorinated greenhouse gases rulemaking

Slideshow presentation

https://ecology.wa.gov/presentation-wac-173-443-12-16-2024

Forest Offset Protocol Technical Working Group

Presentation deck for the Jan 7 Forest Offset Protocol Technical Working Group meeting

https://ecology.wa.gov/presentation-wac-173-446-1-7-25

Presentation (WAC 173-442) 1-27-25

This is a presentation for the January 27, 2025 public meeting for Chapter 173-443 WAC, Hydroflurocarbons rulemaking.

https://ecology.wa.gov/presentation-wac-173-443-1-27-25

Combined Community Forum: CVP & HFC Rulemaking

Presentation deck for the Jan 29 combined community forum

https://ecology.wa.gov/presentation-wac-173-434-443-1-29-25