---
type: "Bill"
title: "Concerning the Washington climate commitment act."
description: "Concerning the Washington climate commitment act."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2021-2022"
identifier: "SB 5126"
citation: "Washington SB 5126 (2021-2022)"
classification: ["bill"]
subjects: ["AIR QUALITY AND POLLUTION", "CLIMATE", "ECOLOGY", "DEPARTMENT", "ENVIRONMENT", "EQUITY", "WASHINGTON STATE OFFICE", "GOVERNOR", "INDIANS", "MANUFACTURING AND TECHNOLOGY", "NAMED ACTS", "PUBLIC FUNDS AND ACCOUNTS", "UTILITIES"]
status: "enacted"
primary_sponsors: ["Carlyle"]
version_count: 4
action_count: 55
vote_count: 5
first_action: "2021-01-08T05:00:00+00:00"
last_action: "2021-05-17T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/41e986f4-73c8-47b7-af6a-6312e2249046"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=5126&year=2021"
source_hash: "d178391287c67d43f2faeeec556e7a52a7b46d8723e4211520ca57b115513d04"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-wa"]
---

# Washington SB 5126 (2021-2022) — Concerning the Washington climate commitment act.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2021-22/Htm/Bills/Senate%20Bills/5126.htm)
2. **Engrossed Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2021-22/Htm/Bills/Senate%20Bills/5126-S2.E.htm)
3. **Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2021-22/Htm/Bills/Senate%20Bills/5126-S2.htm)
4. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2021-22/Htm/Bills/Senate%20Bills/5126-S.htm)

## Votes

- 3rd Reading & Final Passage (#5) — **25–24** (pass) · upper
- Final Passage as Amended by the House (#10) — **27–22** (pass) · upper
- Final Passage as Amended by the House (#1) — **54–43** (pass) · lower
- Motion to Refer SB 5126 to Transportation Committee (#2) — **21–28** (fail) · upper
- Refer to the Committee on Transportation (#2) — **21–28** (fail) · upper

## Sponsors

- Carlyle — primary (person)
- C. Wilson — cosponsor (person)
- Conway — cosponsor (person)
- Das — cosponsor (person)
- Frockt — cosponsor (person)
- Hunt — cosponsor (person)
- Liias — cosponsor (person)
- Nguyen — cosponsor (person)
- Pedersen — cosponsor (person)
- Saldaña — cosponsor (person)
- Salomon — cosponsor (person)
- Stanford — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2021-01-08T05:00:00+00:00** Prefiled for introduction. `filing`
- **2021-01-11T05:00:00+00:00** First reading, referred to Environment, Energy & Technology. `reading-1`
- **2021-01-19T05:00:00+00:00** Public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM.
- **2021-02-19T05:00:00+00:00** Work session in the Senate Committee on Environment, Energy & Technology at 8:00 AM.
- **2021-02-25T05:00:00+00:00** Executive action taken in the Senate Committee on Environment, Energy & Technology at 8:00 AM.
- **2021-02-25T05:00:00+00:00** ENET - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2021-02-25T05:00:00+00:00** Minority; do not pass. `committee-passage-unfavorable`
- **2021-02-25T05:00:00+00:00** Minority; without recommendation. `committee-passage-unfavorable`
- **2021-02-25T05:00:00+00:00** And refer to Ways & Means. `referral-committee`
- **2021-02-26T05:00:00+00:00** Referred to Ways & Means. `referral-committee`
- **2021-03-15T04:00:00+00:00** Public hearing in the Senate Committee on Ways & Means at 4:00 PM.
- **2021-03-18T04:00:00+00:00** Executive session scheduled, but no action was taken in the Senate Committee on Ways & Means at 4:00 PM.
- **2021-03-22T04:00:00+00:00** Executive action taken in the Senate Committee on Ways & Means at 4:00 PM.
- **2021-03-22T04:00:00+00:00** WM - Majority; 2nd substitute bill be substituted, do pass. `passage`
- **2021-03-22T04:00:00+00:00** Minority; do not pass. `committee-passage-unfavorable`
- **2021-03-22T04:00:00+00:00** Minority; without recommendation. `committee-passage-unfavorable`
- **2021-03-24T04:00:00+00:00** Passed to Rules Committee for second reading.
- **2021-03-31T04:00:00+00:00** Placed on second reading by Rules Committee. `reading-2`
- **2021-04-08T04:00:00+00:00** 2nd substitute bill substituted (WM 21). `substitution`
- **2021-04-08T04:00:00+00:00** Floor amendment(s) adopted.
- **2021-04-08T04:00:00+00:00** Rules suspended. Placed on Third Reading. `reading-3`
- **2021-04-08T04:00:00+00:00** Third reading, passed; yeas, 25; nays, 24; absent, 0; excused, 0. `reading-3`
- **2021-04-11T04:00:00+00:00** First reading, referred to Environment & Energy. `reading-1`
- **2021-04-14T04:00:00+00:00** Public hearing in the House Committee on Environment & Energy at 8:00 AM.
- **2021-04-16T04:00:00+00:00** Executive action taken in the House Committee on Environment & Energy at 3:00 PM.
- **2021-04-16T04:00:00+00:00** ENVI - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2021-04-16T04:00:00+00:00** Minority; do not pass. `committee-passage-unfavorable`
- **2021-04-16T04:00:00+00:00** Minority; without recommendation. `committee-passage-unfavorable`
- **2021-04-19T04:00:00+00:00** Referred to Appropriations. `referral-committee`
- **2021-04-19T04:00:00+00:00** Public hearing in the House Committee on Appropriations at 9:00 AM.
- **2021-04-20T04:00:00+00:00** Executive action taken in the House Committee on Appropriations at 9:00 AM.
- **2021-04-20T04:00:00+00:00** APP - Majority; do pass with amendment(s) but without amendment(s) by Environment & Energy. `committee-passage-favorable`
- **2021-04-20T04:00:00+00:00** Minority; do not pass. `committee-passage-unfavorable`
- **2021-04-21T04:00:00+00:00** Placed on second reading. `reading-2`
- **2021-04-23T04:00:00+00:00** Committee amendment not adopted. `amendment-failure`
- **2021-04-23T04:00:00+00:00** Committee amendment(s) adopted as amended.
- **2021-04-23T04:00:00+00:00** Rules suspended. Placed on Third Reading. `reading-3`
- **2021-04-23T04:00:00+00:00** Third reading, passed; yeas, 54; nays, 43; absent, 1; excused, 0. `reading-3`
- **2021-04-24T04:00:00+00:00** Senate concurred in House amendments.
- **2021-04-24T04:00:00+00:00** Passed final passage; yeas, 27; nays, 22; absent, 0; excused, 0. `passage`
- **2021-04-24T04:00:00+00:00** President signed. `passage`
- **2021-04-25T04:00:00+00:00** Speaker signed. `passage`
- **2021-04-26T04:00:00+00:00** Delivered to Governor. `executive-receipt`
- **2021-05-17T04:00:00+00:00** Governor partially vetoed. `executive-veto-line-item`
- **2021-05-17T04:00:00+00:00** Chapter 316, 2021 Laws PV. `became-law`
- **2021-05-17T04:00:00+00:00** Effective date 7/25/2021. `became-law`
- **2021-01-19T15:30:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM
- **2021-02-19T13:00:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 08:00 AM
- **2021-02-25T13:00:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 08:00 AM
- **2021-03-15T20:00:00+00:00** Scheduled for public hearing in the Senate Committee on Ways & Means at 04:00 PM
- **2021-03-22T20:00:00+00:00** Scheduled for public hearing in the Senate Committee on Ways & Means at 04:00 PM
- **2021-04-14T12:00:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 08:00 AM
- **2021-04-16T19:00:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 03:00 PM
- **2021-04-19T13:00:00+00:00** Scheduled for public hearing in the House Committee on Appropriations at 09:00 AM
- **2021-04-20T13:00:00+00:00** Scheduled for public hearing in the House Committee on Appropriations at 09:00 AM

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/41e986f4-73c8-47b7-af6a-6312e2249046`. Confidence: reported (aggregated from official Washington legislature records).