---
type: "Bill"
title: "Encouraging utility mitigation of urban heat island effects."
description: "Encouraging utility mitigation of urban heat island effects."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2021-2022"
identifier: "HB 1114"
citation: "Washington HB 1114 (2021-2022)"
classification: ["bill"]
subjects: ["CITIES AND TOWNS", "CONSERVATION", "ENERGY", "UTILITIES"]
status: "enacted"
primary_sponsors: ["Dye"]
version_count: 2
action_count: 31
vote_count: 2
first_action: "2021-01-08T05:00:00+00:00"
last_action: "2021-04-07T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/68a10e81-0d4e-4681-82a1-8ea1ef343cbb"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=1114&year=2021"
source_hash: "59477191c8358b79fb84671760da369b111a89e2597418f55f7a5226d716e253"
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 1114 (2021-2022) — Encouraging utility mitigation of urban heat island effects.

## 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/House%20Bills/1114.htm)
2. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2021-22/Htm/Bills/House%20Bills/1114-S.htm)

## Votes

- 3rd Reading & Final Passage (#9) — **47–0** (pass) · upper
- 3rd Reading & Final Passage (#15) — **98–0** (pass) · lower

## Sponsors

- Dye — primary (person)
- Ramel — 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. `reading-1`
- **2021-01-28T05:00:00+00:00** Public hearing in the House Committee on Environment & Energy at 1:30 PM.
- **2021-02-02T05:00:00+00:00** Executive session scheduled, but no action was taken in the House Committee on Environment & Energy at 8:00 AM.
- **2021-02-05T05:00:00+00:00** Executive session scheduled, but no action was taken in the House Committee on Environment & Energy at 10:00 AM.
- **2021-02-09T05:00:00+00:00** Executive session scheduled, but no action was taken in the House Committee on Environment & Energy at 8:00 AM.
- **2021-02-12T05:00:00+00:00** Executive action taken in the House Committee on Environment & Energy at 10:00 AM.
- **2021-02-12T05:00:00+00:00** ENVI - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2021-02-15T05:00:00+00:00** Referred to Rules 2 Review. `referral-committee`
- **2021-02-17T05:00:00+00:00** Placed on second reading by Rules Committee. `reading-2`
- **2021-02-25T05:00:00+00:00** 1st substitute bill substituted (ENVI 21). `substitution`
- **2021-02-25T05:00:00+00:00** Rules suspended. Placed on Third Reading. `reading-3`
- **2021-02-25T05:00:00+00:00** Third reading, passed; yeas, 98; nays, 0; absent, 0; excused, 0. `reading-3`
- **2021-03-01T05:00:00+00:00** First reading, referred to Environment, Energy & Technology. `reading-1`
- **2021-03-11T05:00:00+00:00** Public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM.
- **2021-03-16T04:00:00+00:00** Executive action taken in the Senate Committee on Environment, Energy & Technology at 10:30 AM.
- **2021-03-16T04:00:00+00:00** ENET - Majority; do pass. `committee-passage-favorable`
- **2021-03-17T04:00:00+00:00** Passed to Rules Committee for second reading.
- **2021-03-19T04:00:00+00:00** Placed on second reading by Rules Committee. `reading-2`
- **2021-03-24T04:00:00+00:00** Rules suspended. Placed on Third Reading. `reading-3`
- **2021-03-24T04:00:00+00:00** Third reading, passed; yeas, 47; nays, 0; absent, 0; excused, 2. `reading-3`
- **2021-03-28T04:00:00+00:00** Speaker signed. `passage`
- **2021-03-29T04:00:00+00:00** President signed. `passage`
- **2021-04-05T04:00:00+00:00** Delivered to Governor. `executive-receipt`
- **2021-04-07T04:00:00+00:00** Governor signed. `executive-signature`
- **2021-04-07T04:00:00+00:00** Chapter 11, 2021 Laws. `became-law`
- **2021-04-07T04:00:00+00:00** Effective date 7/25/2021. `became-law`
- **2021-01-28T18:30:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 01:30 PM
- **2021-02-12T15:00:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 10:00 AM
- **2021-03-11T15:30:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM
- **2021-03-16T14:30:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/68a10e81-0d4e-4681-82a1-8ea1ef343cbb`. Confidence: reported (aggregated from official Washington legislature records).