---
type: "Bill"
title: "Prohibit government from requiring buildings be constructed with solar panels"
description: "Prohibit government from requiring buildings be constructed with solar panels"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "HB 241"
citation: "Montana HB 241 (2023)"
classification: ["bill"]
subjects: ["Buildings and Building Regulations", "Energy", "Local Government (see also: City Subjects; County Subjects)", "State Government"]
status: "enacted"
primary_sponsors: ["Joshua Kassmier"]
version_count: 9
action_count: 55
vote_count: 9
first_action: "2022-10-03T19:10:36+00:00"
last_action: "2023-05-19T19:55:48+00:00"
source: "openstates"
source_identifier: "ocd-bill/91dea80c-4259-4ac0-bf8d-61e74169d93d"
source_url: "https://bills.legmt.gov/#/bill/20231/LC0591"
source_hash: "6d7b1f75f8fbd6779804ba576ab57a89270e4e3113fee22236f282694da7d494"
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-mt"]
---

# Montana HB 241 (2023) — Prohibit government from requiring buildings be constructed with solar panels

## Version chain

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

1. **HB0241.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=5965)
2. **HB0241.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=5963)
3. **HB0241.002.001.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=5967)
4. **HB0241.002.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=5966)
5. **HB0241.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=5964)
6. **HB0241_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=5970)
7. **HB0241_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=5971)
8. **HB0241_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=5968)
9. **HB0241_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=5969)

## Votes

- (H) 3rd Reading Passed — **66–33** (pass) · lower
- (S) 2nd Reading Concurred as Amended — **34–16** (pass) · upper
- (H) 2nd Reading Passed — **65–33** (pass) · lower
- (S) 2nd Reading Motion to Amend Carried — **35–15** (pass) · upper
- (S) 3rd Reading Concurred — **34–16** (pass) · upper
- (H) 3rd Reading Passed as Amended by Senate — **66–33** (pass) · lower
- (H) Committee Executive Action--Bill Passed — **11–5** (pass) · lower
- (S) Committee Executive Action--Bill Concurred as Amended — **6–3** (pass) · upper
- (H) 2nd Reading Senate Amendments Concurred — **67–33** (pass) · lower

## Sponsors

- Joshua Kassmier — primary (person)

## Timeline

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

- **2023-05-19T19:55:48+00:00** Chapter Number Assigned `became-law`
- **2023-05-18T22:27:27+00:00** (H) Signed by Governor `executive-signature`
- **2023-05-08T16:20:00+00:00** (H) Transmitted to Governor `executive-receipt`
- **2023-05-04T23:00:00+00:00** (S) Signed by President `passage`
- **2023-05-04T20:00:00+00:00** (H) Signed by Speaker `passage`
- **2023-05-02T21:02:15+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-05-02T21:02:14+00:00** (H) Returned from Enrolling
- **2023-04-28T21:59:22+00:00** (H) Sent to Enrolling
- **2023-04-28T19:51:00+00:00** (H) 3rd Reading Passed as Amended by Senate `passage, passage, reading-3, reading-3`
- **2023-04-28T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-04-27T14:17:00+00:00** (H) 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2023-04-27T14:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-04-24T19:49:21+00:00** (H) 2nd Reading Pass Consideration `reading-2`
- **2023-04-19T02:06:00+00:00** (S) Returned to House with Amendments
- **2023-04-18T21:59:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2023-04-18T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-04-17T18:45:00+00:00** (S) 2nd Reading Concurred as Amended `reading-2, reading-2`
- **2023-04-17T18:44:11+00:00** (C) Printed - New Version Available
- **2023-04-17T17:30:00+00:00** (S) 2nd Reading Motion to Amend Carried `reading-2`
- **2023-04-17T16:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-13T22:27:28+00:00** (C) Printed - New Version Available
- **2023-04-13T19:42:00+00:00** (S) Committee Report--Bill Concurred as Amended
- **2023-04-12T21:00:00+00:00** (S) Committee Executive Action--Bill Concurred as Amended
- **2023-03-22T14:57:46+00:00** (C) Amendments Available
- **2023-03-20T21:00:00+00:00** (S) Hearing
- **2023-03-13T18:42:13+00:00** (S) Referred to Committee `referral-committee`
- **2023-02-09T20:24:00+00:00** (S) First Reading `reading-1`
- **2023-02-08T23:10:15+00:00** (H) Transmitted to Senate
- **2023-02-08T22:21:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2023-02-07T21:13:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2023-02-03T20:24:00+00:00** (H) Committee Report--Bill Passed `committee-passage`
- **2023-02-03T00:44:27+00:00** (H) Committee Executive Action--Bill Passed `committee-passage`
- **2023-01-24T22:00:03+00:00** (H) Hearing
- **2023-01-16T20:18:20+00:00** (H) First Reading `reading-1`
- **2023-01-16T18:25:33+00:00** (H) Referred to Committee `referral-committee`
- **2023-01-13T17:23:12+00:00** (C) Introduced Bill Text Available Electronically
- **2023-01-12T23:17:44+00:00** (H) Introduced
- **2023-01-12T19:12:30+00:00** (C) Draft Delivered to Requester
- **2023-01-11T16:50:30+00:00** (C) Draft Ready for Delivery
- **2023-01-10T18:03:53+00:00** (C) Executive Director Final Review
- **2023-01-10T18:03:45+00:00** (C) Draft Ready for Delivery
- **2023-01-10T15:54:57+00:00** (C) Draft in Assembly
- **2023-01-10T14:12:21+00:00** (C) Executive Director Review
- **2023-01-09T17:21:10+00:00** (C) Bill Draft Text Available Electronically
- **2023-01-09T17:21:09+00:00** (C) Draft in Final Drafter Review
- **2023-01-07T17:34:49+00:00** (C) Draft in Input/Proofing
- **2023-01-06T20:17:40+00:00** (C) Draft to Drafter - Edit Review
- **2023-01-06T15:41:21+00:00** (C) Draft in Edit
- **2023-01-06T14:20:16+00:00** (C) Draft in Legal Review
- **2023-01-05T20:27:39+00:00** (C) Draft to Requester for Review
- **2023-01-04T14:15:08+00:00** (C) Draft to Requester for Review
- **2023-01-02T22:59:51+00:00** (C) Draft to Requester for Review
- **2022-10-04T14:38:15+00:00** (C) Draft Taken Off Hold
- **2022-10-03T20:05:16+00:00** (C) Draft On Hold
- **2022-10-03T19:10:36+00:00** (C) Draft Request Received `receipt`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/91dea80c-4259-4ac0-bf8d-61e74169d93d`. Confidence: reported (aggregated from official Montana legislature records).