---
type: "Bill"
title: "Revising public utility resource planning laws"
description: "Revising public utility resource planning laws"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 55"
citation: "Montana HB 55 (2025)"
classification: ["bill"]
subjects: ["Appropriations", "Energy", "Utilities"]
status: "enacted"
primary_sponsors: ["Gary Parry"]
version_count: 77
action_count: 52
vote_count: 9
first_action: "2024-09-16T14:12:51+00:00"
last_action: "2025-05-16T22:25:13+00:00"
source: "openstates"
source_identifier: "ocd-bill/09224b83-1c6e-4271-aab4-50f463cfe4a6"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC0237?open_tab=sum"
source_hash: "a6703a4227cdd7caec397a63299f3de3429d99e31df7830b589df5a5cbd527d3"
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 55 (2025) — Revising public utility resource planning laws

## Version chain

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

1. **HB0055.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270904)
2. **HB0055.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=271514)
3. **HB0055.001.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=271513)
4. **HB0055.001.004_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272049)
5. **HB0055.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297872)
6. **HB0055.002.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=297929)
7. **HB0055.002.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299008)
8. **HB0055.002.003_combo_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=299007)
9. **HB0055_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=267617)
10. **HB0055_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272121)
11. **HB0055_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272122)
12. **HB0055_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272123)
13. **HB0055_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272124)
14. **HB0055_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275284)
15. **HB0055_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276340)
16. **HB0055_1(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303657)
17. **HB0055_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=267616)
18. **HB0055_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272126)
19. **HB0055_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272170)
20. **HB0055_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=273233)
21. **HB0055_2(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275424)
22. **HB0055_2(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276473)
23. **HB0055_2(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284831)
24. **HB0055_2(15).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284832)
25. **HB0055_2(16).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284833)
26. **HB0055_2(17).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284837)
27. **HB0055_2(18).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284838)
28. **HB0055_2(19).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284839)
29. **HB0055_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272127)
30. **HB0055_2(20).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=298452)
31. **HB0055_2(21).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=302181)
32. **HB0055_2(22).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303656)
33. **HB0055_2(23).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303658)
34. **HB0055_2(24).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303660)
35. **HB0055_2(25).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303661)
36. **HB0055_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272128)
37. **HB0055_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272145)
38. **HB0055_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272150)
39. **HB0055_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272155)
40. **HB0055_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272157)
41. **HB0055_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272158)
42. **HB0055_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272159)
43. **HB0055_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=272125)
44. **HB0055_3(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303662)
45. **HB0055_3(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303712)
46. **HB0055_3(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303713)
47. **HB0055_3(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303717)
48. **HB0055_3(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303722)
49. **HB0055_3(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311359)
50. **HB0055_3(15).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314505)
51. **HB0055_3(16).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314506)
52. **HB0055_3(17).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314507)
53. **HB0055_3(18).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314509)
54. **HB0055_3(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303663)
55. **HB0055_3(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303665)
56. **HB0055_3(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303666)
57. **HB0055_3(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303667)
58. **HB0055_3(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303681)
59. **HB0055_3(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303689)
60. **HB0055_3(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303709)
61. **HB0055_3(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=303710)
62. **HB0055_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=302180)
63. **HB0055_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314511)
64. **HB0055_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323092)
65. **HB0055_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325017)
66. **HB0055_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325681)
67. **HB0055_X(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327279)
68. **HB0055_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314512)
69. **HB0055_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317186)
70. **HB0055_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317406)
71. **HB0055_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317410)
72. **HB0055_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317411)
73. **HB0055_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320854)
74. **HB0055_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323090)
75. **HB0055_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323091)
76. **HB0055_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314510)
77. **LC0237.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=266021)

## Votes

- Do Concur — **49–0** (pass) · upper
- Do Pass — **74–25** (pass) · lower
- Do Concur — **87–11** (pass) · lower
- Do Concur — **46–4** (pass) · upper
- be_concurred_in — **22–0** (pass) · upper
- be_concurred_in — **13–0** (pass) · upper
- Do Pass — **75–24** (pass) · lower
- do_pass_as_amended — **12–2** (pass) · lower
- Do Concur — **63–35** (pass) · lower

## Sponsors

- Gary Parry — primary (person)

## Timeline

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

- **2024-09-16T14:12:51+00:00** (LC) Drafter Assigned
- **2024-09-26T17:07:14+00:00** (LC) Draft in Legal Review
- **2024-10-30T15:55:58+00:00** (LC) Drafter Assigned
- **2024-10-30T16:54:02+00:00** (LC) Draft in Legal Review
- **2024-10-30T19:04:30+00:00** (LC) Draft in Edit
- **2024-11-21T17:51:11+00:00** (LC) Draft in Input/Proofing
- **2024-11-22T21:36:47+00:00** (LC) Draft in Final Drafter Review
- **2024-11-23T19:40:18+00:00** (LC) Draft in Assembly
- **2024-11-26T21:26:13+00:00** (LC) Draft Ready for Delivery
- **2024-12-11T20:56:21+00:00** (LC) Draft Delivered to Requester
- **2024-12-18T21:08:00+00:00** (H) Introduced
- **2024-12-18T21:10:00+00:00** (H) Fiscal Note Requested
- **2024-12-20T22:12:18+00:00** (H) Referred to Committee - (H) Energy, Technology and Federal Relations `referral-committee`
- **2025-01-06T17:52:00+00:00** (H) First Reading `reading-1`
- **2025-01-07T00:38:00+00:00** (H) Hearing - (H) Energy, Technology and Federal Relations
- **2025-01-07T15:27:25+00:00** (H) Fiscal Note Received `receipt`
- **2025-01-07T19:12:47+00:00** (H) Fiscal Note Signed
- **2025-01-07T23:48:00+00:00** (H) Fiscal Note Printed
- **2025-01-16T00:12:14+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Energy, Technology and Federal Relations `committee-passage`
- **2025-01-16T18:34:02+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Energy, Technology and Federal Relations `committee-passage`
- **2025-01-16T20:18:57+00:00** (H) Committee Report--Bill Passed as Amended - (H) Energy, Technology and Federal Relations `committee-passage`
- **2025-01-20T20:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-01-20T21:11:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-01-21T21:25:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-01-21T21:48:58+00:00** (H) Transmitted to Senate
- **2025-01-22T20:38:58+00:00** (S) First Reading `reading-1`
- **2025-02-11T16:24:11+00:00** (S) Referred to Committee - (S) Energy, Technology & Federal Relations `referral-committee`
- **2025-02-13T20:30:35+00:00** (S) Hearing - (S) Energy, Technology & Federal Relations
- **2025-03-25T20:49:08+00:00** (S) Committee Executive Action--Bill Concurred as Amended - (S) Energy, Technology & Federal Relations
- **2025-04-01T19:13:00+00:00** (S) Committee Report--Bill Concurred as Amended - (S) Energy, Technology & Federal Relations
- **2025-04-03T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-03T19:50:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-03T22:04:01+00:00** (S) Rereferred to Committee - (S) Finance and Claims `referral-committee, referral-committee`
- **2025-04-11T19:41:20+00:00** (S) Hearing - (S) Finance and Claims
- **2025-04-13T00:57:38+00:00** (S) Hearing - (S) Finance and Claims
- **2025-04-14T15:29:10+00:00** (S) Committee Executive Action--Bill Concurred - (S) Finance and Claims
- **2025-04-14T18:25:00+00:00** (S) Committee Report--Bill Concurred - (S) Finance and Claims
- **2025-04-15T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-15T21:03:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-15T23:04:49+00:00** (S) Returned to House with Amendments
- **2025-04-18T16:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-18T18:10:00+00:00** (H) 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2025-04-22T16:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-22T16:36:00+00:00** (H) 3rd Reading Passed as Amended by Senate `passage, passage, reading-3, reading-3`
- **2025-04-22T21:17:35+00:00** (H) Sent to Enrolling
- **2025-04-24T19:14:41+00:00** (S) First Reading `reading-1`
- **2025-04-24T19:20:38+00:00** (H) Returned from Enrolling
- **2025-05-01T18:00:49+00:00** (H) Signed by Speaker `passage`
- **2025-05-02T16:00:00+00:00** (S) Signed by President `passage`
- **2025-05-05T16:05:54+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-12T17:11:00+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-16T22:25:13+00:00** Chapter Number Assigned `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/09224b83-1c6e-4271-aab4-50f463cfe4a6`. Confidence: reported (aggregated from official Montana legislature records).