---
type: "Bill"
title: "Energy: natural gas; penalties for natural gas safety violations; modify. Amends sec. 11 of 1969 PA 165 (MCL 483.161)."
description: "Energy: natural gas; penalties for natural gas safety violations; modify. Amends sec. 11 of 1969 PA 165 (MCL 483.161)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2023-2024"
identifier: "SB 366"
citation: "Michigan SB 366 (2023-2024)"
classification: ["bill"]
subjects: ["Energy: gas and oil", "Energy: natural gas", "Safety: other"]
status: "enacted"
primary_sponsors: ["Sean McCann"]
version_count: 5
action_count: 32
vote_count: 3
first_action: "2023-05-30"
last_action: "2024-10-09"
source: "openstates"
source_identifier: "ocd-bill/b29157e2-1458-4109-ac62-ad7816160440"
source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-SB-0366"
source_hash: "e949e750c1ce817b2255789ec5ad04209293afd4f3c1b6e040ef659f5bfd4187"
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-mi"]
---

# Michigan SB 366 (2023-2024) — Energy: natural gas; penalties for natural gas safety violations; modify. Amends sec. 11 of 1969 PA 165 (MCL 483.161).

## Version chain

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

1. **As Passed by the House** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBH-0366.pdf)
2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBS-0366.pdf)
3. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2024-PA-0131.pdf)
4. **Senate Concurred Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billconcurred/Senate/pdf/2023-SCB-0366.pdf)
5. **Senate Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/Senate/pdf/2023-SIB-0366.pdf)

## Votes

- PASSED ROLL CALL # 28 YEAS 32 NAYS 5 EXCUSED 1 NOT VOTING 0 — **32–5** (pass) · upper
- passed; given immediate effect Roll Call # 277 Yeas 89 Nays 21 Excused 0 Not Voting 0 — **89–21** (pass) · lower
- HOUSE AMENDMENT(S) CONCURRED IN ROLL CALL # 359 YEAS 30 NAYS 7 EXCUSED 1 NOT VOTING 0 — **30–7** (pass) · upper

## Sponsors

- Sean McCann — primary (person)
- Dayna Polehanki — cosponsor (person)
- Jeff Irwin — cosponsor (person)
- Paul Wojno — cosponsor (person)
- Rosemary Bayer — cosponsor (person)
- Sam Singh — cosponsor (person)
- Sue Shink — cosponsor (person)

## Timeline

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

- **2023-05-30** INTRODUCED BY SENATOR SEAN MCCANN `introduction`
- **2023-05-30** REFERRED TO COMMITTEE ON ENERGY AND ENVIRONMENT `referral-committee`
- **2024-02-20** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2024-02-20** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2024-02-21** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2024-02-21** PLACED ON ORDER OF THIRD READING
- **2024-02-22** PASSED ROLL CALL # 28 YEAS 32 NAYS 5 EXCUSED 1 NOT VOTING 0 `passage`
- **2024-02-22** received on 02/22/2024 `introduction`
- **2024-02-22** read a first time `reading-1`
- **2024-02-22** referred to Committee on Energy, Communications, and Technology `referral-committee`
- **2024-06-26** rule suspended
- **2024-06-26** motion to discharge committee approved
- **2024-06-26** placed on second reading
- **2024-06-26** read a second time `reading-2`
- **2024-06-26** placed on third reading
- **2024-06-26** motion to refer to third reading reconsidered
- **2024-06-26** amendment(s) reconsidered
- **2024-06-26** amended
- **2024-06-26** placed on third reading
- **2024-06-27** read a third time `reading-3`
- **2024-06-27** passed; given immediate effect Roll Call # 277 Yeas 89 Nays 21 Excused 0 Not Voting 0 `passage`
- **2024-06-27** inserted full title
- **2024-06-27** returned to Senate
- **2024-09-26** PASSED BY HOUSE WITH AMENDMENT(S) WITH IMMEDIATE EFFECT `passage`
- **2024-09-26** RULES SUSPENDED FOR IMMEDIATE CONSIDERATION
- **2024-09-26** HOUSE AMENDMENT(S) CONCURRED IN ROLL CALL # 359 YEAS 30 NAYS 7 EXCUSED 1 NOT VOTING 0
- **2024-09-26** GIVEN IMMEDIATE EFFECT
- **2024-09-26** ORDERED ENROLLED
- **2024-10-08** PRESENTED TO GOVERNOR 10/07/2024 11:04 AM `executive-receipt`
- **2024-10-09** APPROVED BY GOVERNOR 10/08/2024 10:38 AM `executive-signature`
- **2024-10-09** FILED WITH SECRETARY OF STATE 10/08/2024 01:06 PM
- **2024-10-09** ASSIGNED PA 0131'24 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b29157e2-1458-4109-ac62-ad7816160440`. Confidence: reported (aggregated from official Michigan legislature records).