---
type: "Bill"
title: "Modifies and creates new provisions relating to utilities"
description: "Modifies and creates new provisions relating to utilities"
jurisdiction: "us/states/mo"
legislature: "Missouri General Assembly"
session: "2025"
identifier: "SB 4"
citation: "Missouri SB 4 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Cierpiot"]
version_count: 6
action_count: 47
vote_count: 0
first_action: "2024-12-01T06:00:00+00:00"
last_action: "2025-04-09T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/52c726f5-660e-40e1-adc3-30c9b8784079"
source_url: "http://www.senate.mo.gov/25info/BTS_Web/Bill.aspx?SessionType=R&BillID=66"
source_hash: "67144a8bea99973d22bff287e68f4bb2b4ebdb6102911e79826da76ab45c48d5"
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-mo"]
---

# Missouri SB 4 (2025) — Modifies and creates new provisions relating to utilities

## Version chain

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

1. **Introduced** (filed) — [source](https://www.senate.mo.gov/25info/pdf-bill/intro/SB4.pdf)
2. **0120S.08F - SS 2 Adopted, as amended** (committee substitute) — [source](http://www.senate.mo.gov/25info/BTS_Web/ShowAmendment.aspx?Id=131)
3. **0120S08.06S - SA 4 SS 2 Adopted** (committee substitute) — [source](http://www.senate.mo.gov/25info/BTS_Web/ShowAmendment.aspx?Id=136)
4. **0120S08.09S - SA 1 SS 2 Adopted** (committee substitute) — [source](http://www.senate.mo.gov/25info/BTS_Web/ShowAmendment.aspx?Id=132)
5. **Perfected** (committee substitute) — [source](https://www.senate.mo.gov/25info/pdf-bill/perf/SB4.pdf)
6. **Truly Agreed To and Finally Passed** (committee substitute) — [source](https://www.senate.mo.gov/25info/pdf-bill/tat/SB4.pdf)

## Sponsors

- Cierpiot — primary (person)

## Timeline

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

- **2024-12-01T06:00:00+00:00** Prefiled
- **2025-01-08T06:00:00+00:00** S First Read `reading-1`
- **2025-01-16T06:00:00+00:00** Second Read and Referred S Commerce, Consumer Protection, Energy & the Environment Committee `reading-2, referral-committee`
- **2025-01-22T06:00:00+00:00** Hearing Conducted S Commerce, Consumer Protection, Energy & the Environment Committee
- **2025-01-30T06:00:00+00:00** Voted Do Pass S Commerce, Consumer Protection, Energy & the Environment Committee `committee-passage`
- **2025-02-03T06:00:00+00:00** Reported from S Commerce, Consumer Protection, Energy & the Environment Committee
- **2025-02-04T06:00:00+00:00** Bill Placed on Informal Calendar
- **2025-02-04T06:00:00+00:00** SS S offered (Cierpiot)--(0120S.04F)
- **2025-02-04T06:00:00+00:00** SA 1 to SS S offered (McCreery)--(0120S04.03S)
- **2025-02-04T06:00:00+00:00** Bill Placed on Informal Calendar
- **2025-02-19T06:00:00+00:00** Taken up for Perfection
- **2025-02-19T06:00:00+00:00** Bill Placed on Informal Calendar
- **2025-02-19T06:00:00+00:00** SS S withdrawn
- **2025-02-19T06:00:00+00:00** SS#2 S offered (Cierpiot)--(0120S.08F)
- **2025-02-19T06:00:00+00:00** SA 1 to SS#2 S offered & adopted (Trent)--(0120S08.09S)
- **2025-02-19T06:00:00+00:00** SA 2 to SS#2 S offered & defeated (Mosley)--(0120S08.13S)
- **2025-02-19T06:00:00+00:00** SA 3 to SS#2 S offered & defeated (Mosley)--(0120S08.05S)
- **2025-02-19T06:00:00+00:00** SA 4 to SS#2 S offered & adopted (McCreery)--(0120S08.06S)
- **2025-02-19T06:00:00+00:00** Bill Placed on Informal Calendar
- **2025-02-20T06:00:00+00:00** SA 5 to SS#2 S offered & defeated (Moon)--(0120S08.02S)
- **2025-02-20T06:00:00+00:00** SS#2, as amended, S adopted `passage`
- **2025-02-20T06:00:00+00:00** Perfected
- **2025-02-20T06:00:00+00:00** Reported Truly Perfected S Rules, Joint Rules, Resolutions and Ethics Committee
- **2025-02-20T06:00:00+00:00** Referred S Fiscal Oversight Committee `referral-committee`
- **2025-02-24T06:00:00+00:00** Hearing Conducted S Fiscal Oversight Committee
- **2025-02-24T06:00:00+00:00** Voted Do Pass S Fiscal Oversight Committee `committee-passage`
- **2025-02-24T06:00:00+00:00** Reported from S Fiscal Oversight Committee
- **2025-02-24T06:00:00+00:00** S Third Read and Passed - EC defeated `passage, reading-3`
- **2025-02-25T06:00:00+00:00** H First Read `reading-1`
- **2025-02-26T06:00:00+00:00** H Second Read `reading-2`
- **2025-02-27T06:00:00+00:00** Referred H Utilities `referral-committee`
- **2025-03-10T05:00:00+00:00** Hearing Conducted H Utilities
- **2025-03-10T05:00:00+00:00** Voted Do Pass H Utilities `committee-passage`
- **2025-03-10T05:00:00+00:00** Reported Do Pass H Utilities `committee-passage`
- **2025-03-10T05:00:00+00:00** Referred H Rules - Administrative `referral-committee`
- **2025-03-11T05:00:00+00:00** Voted Do Pass H Rules - Administrative `committee-passage`
- **2025-03-11T05:00:00+00:00** Reported Do Pass H Rules - Administrative `committee-passage`
- **2025-03-11T05:00:00+00:00** Referred H Fiscal Review Committee `referral-committee`
- **2025-03-13T05:00:00+00:00** Voted Do Pass H Fiscal Review `committee-passage`
- **2025-03-13T05:00:00+00:00** Reported Do Pass H Fiscal Review `committee-passage`
- **2025-03-13T05:00:00+00:00** H Third Read and Passed `passage, reading-3`
- **2025-03-13T05:00:00+00:00** Truly Agreed To and Finally Passed `passage`
- **2025-03-24T05:00:00+00:00** Reported Duly Enrolled Rules, Joint Rules, Resolutions & Ethics Committee
- **2025-03-24T05:00:00+00:00** Signed by Senate President Pro Tem
- **2025-03-24T05:00:00+00:00** Signed by House Speaker
- **2025-03-25T05:00:00+00:00** Delivered to Governor
- **2025-04-09T05:00:00+00:00** Signed by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/52c726f5-660e-40e1-adc3-30c9b8784079`. Confidence: reported (aggregated from official Missouri legislature records).