---
type: "Bill"
title: "Addressing the extent to which Washington residents are at risk of rolling blackouts and power supply inadequacy events."
description: "Addressing the extent to which Washington residents are at risk of rolling blackouts and power supply inadequacy events."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2023-2024"
identifier: "HB 1117"
citation: "Washington HB 1117 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Mosbrucker"]
version_count: 3
action_count: 27
vote_count: 3
first_action: "2023-01-04"
last_action: "2023-05-01"
source: "openstates"
source_identifier: "ocd-bill/83044b53-a454-4ab5-9e21-63f2e08228bd"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=1117&year=2023"
source_hash: "2ba7edeec25615bebfa3635c657f8e564d8167ff29f51558a73675743832f80e"
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 HB 1117 (2023-2024) — Addressing the extent to which Washington residents are at risk of rolling blackouts and power supply inadequacy events.

## 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/2023-24/Htm/Bills/House%20Bills/1117.htm)
2. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/1117-S.htm)
3. **Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Passed%20Legislature/1117-S.PL.htm)

## Votes

- 3rd Reading & Final Passage (#36) — **95–0** (pass) · lower
- 3rd Reading & Final Passage as Amended by the Senate (#35) — **47–2** (pass) · upper
- Final Passage as Amended by the Senate (#5) — **96–0** (pass) · lower

## Sponsors

- Mosbrucker — primary (person)
- Christian — cosponsor (person)
- Dye — cosponsor (person)
- Leavitt — cosponsor (person)
- Schmick — cosponsor (person)
- Schmidt — cosponsor (person)
- Walsh — cosponsor (person)

## Timeline

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

- **2023-01-04** Prefiled for introduction. `filing`
- **2023-01-09** First reading, referred to Environment & Energy. `reading-1`
- **2023-01-12** Public hearing in the House Committee on Environment & Energy at 8:00 AM.
- **2023-02-14** Executive action taken in the House Committee on Environment & Energy at 4:00 PM.
- **2023-02-14** ENVI - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2023-02-16** Referred to Rules 2 Review. `referral-committee`
- **2023-02-22** Placed on second reading by Rules Committee. `reading-2`
- **2023-03-04** 1st substitute bill substituted (ENVI 23). `substitution`
- **2023-03-04** Rules suspended. Placed on Third Reading. `reading-3`
- **2023-03-04** Third reading, passed; yeas, 95; nays, 0; absent, 0; excused, 3. `reading-3`
- **2023-03-07** First reading, referred to Environment, Energy & Technology. `reading-1`
- **2023-03-17** Public hearing in the Senate Committee on Environment, Energy & Technology at 8:00 AM.
- **2023-03-24** Executive action taken in the Senate Committee on Environment, Energy & Technology at 8:00 AM.
- **2023-03-24** ENET - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2023-03-27** Passed to Rules Committee for second reading.
- **2023-03-30** Placed on second reading by Rules Committee. `reading-2`
- **2023-04-11** Committee amendment(s) adopted with no other amendments.
- **2023-04-11** Rules suspended. Placed on Third Reading. `reading-3`
- **2023-04-11** Third reading, passed; yeas, 47; nays, 2; absent, 0; excused, 0. `reading-3`
- **2023-04-14** House concurred in Senate amendments.
- **2023-04-14** Passed final passage; yeas, 96; nays, 0; absent, 0; excused, 2. `passage`
- **2023-04-17** Speaker signed. `passage`
- **2023-04-18** President signed. `passage`
- **2023-04-19** Delivered to Governor. `executive-receipt`
- **2023-05-01** Governor signed. `executive-signature`
- **2023-05-01** Chapter 200, 2023 Laws. `became-law`
- **2023-05-01** Effective date 7/23/2023. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/83044b53-a454-4ab5-9e21-63f2e08228bd`. Confidence: reported (aggregated from official Washington legislature records).