---
type: "Bill"
title: "Require decommissioning and bonding for certain solar"
description: "Require decommissioning and bonding for certain solar"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2019"
identifier: "SB 93"
citation: "Montana SB 93 (2019)"
classification: ["bill"]
subjects: ["Energy", "Environmental Protection", "Revenue", "State", "Rule Making"]
status: "enacted"
primary_sponsors: ["Tom Richmond"]
version_count: 6
action_count: 71
vote_count: 12
first_action: "2018-09-11"
last_action: "2019-05-08"
source: "openstates"
source_identifier: "ocd-bill/7c950be8-2032-4775-8ced-038f555c35e5"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=93&P_BLTP_BILL_TYP_CD=SB&Z_ACTION=Find&P_SESS=20191"
source_hash: "36113c91160c2f9815403593abe9c40e9581a86dbddc5488af7440bb29d2f393"
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 SB 93 (2019) — Require decommissioning and bonding for certain solar

## Version chain

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

1. **SB0093_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/SB0099//SB0093_1.pdf)
2. **SB0093_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/SB0099//SB0093_2.pdf)
3. **SB0093_3.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/SB0099//SB0093_3.pdf)
4. **SB0093_4.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/SB0099//SB0093_4.pdf)
5. **SB0093_x.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/SB0099//SB0093_x.pdf)
6. **Enrolled** (enrolled) — [source](http://leg.mt.gov/bills/2019/billpdf/SB0093.pdf)

## Votes

- Do Adopt — **88–8** (pass) · lower
- Do Adopt — **91–9** (pass) · lower
- Do Pass — **31–19** (pass) · upper
- Do Adopt — **32–18** (pass) · upper
- DO PASS — **15–4** (pass) · upper
- Do Pass — **33–15** (pass) · upper
- Do Adopt — **34–16** (pass) · upper
- Do Not Concur — **31–19** (pass) · upper
- Do Concur — **89–8** (pass) · lower
- Do Concur — **92–7** (pass) · lower
- BE CONCURRED IN AS AMENDED — **12–0** (pass) · lower
- DO PASS AS AMENDED — **8–5** (pass) · upper

## Sponsors

- Tom Richmond — primary (person)

## Timeline

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

- **2018-09-11** Draft Request Received
- **2018-11-08** Draft to Requester for Review
- **2018-11-27** Draft in Legal Review
- **2018-11-27** Draft in Edit
- **2018-12-12** Draft to Drafter - Edit Review [CMD]
- **2018-12-12** Draft in Input/Proofing
- **2018-12-14** Draft in Final Drafter Review
- **2018-12-14** Bill Draft Text Available Electronically
- **2018-12-14** Executive Director Review
- **2018-12-14** Draft in Assembly
- **2018-12-19** Executive Director Final Review
- **2018-12-20** Draft Ready for Delivery
- **2019-01-08** Draft Delivered to Requester
- **2019-01-11** Introduced `introduction`
- **2019-01-11** Fiscal Note Requested
- **2019-01-12** Introduced Bill Text Available Electronically
- **2019-01-14** First Reading `reading-1`
- **2019-01-14** Referred to Committee `referral-committee`
- **2019-01-21** Fiscal Note Received
- **2019-01-22** Fiscal Note Unsigned
- **2019-01-22** Fiscal Note Printed
- **2019-01-22** Hearing
- **2019-02-12** Committee Executive Action--Bill Passed as Amended `committee-passage`
- **2019-02-13** Committee Report--Bill Passed as Amended `committee-passage`
- **2019-02-13** Printed - New Version Available
- **2019-02-18** Scheduled for 2nd Reading
- **2019-02-18** 2nd Reading Passed `reading-2`
- **2019-02-18** Rereferred to Committee `referral-committee`
- **2019-02-22** Hearing
- **2019-02-22** Committee Executive Action--Bill Passed `committee-passage`
- **2019-02-22** Committee Report--Bill Passed `committee-passage`
- **2019-02-26** Scheduled for 3rd Reading
- **2019-02-26** 3rd Reading Passed `passage, reading-3`
- **2019-02-26** Transmitted to House
- **2019-02-28** Referred to Committee `referral-committee`
- **2019-02-28** First Reading `reading-1`
- **2019-03-13** Hearing Canceled
- **2019-03-18** Hearing
- **2019-04-01** Committee Executive Action--Bill Concurred as Amended
- **2019-04-02** Committee Report--Bill Concurred as Amended
- **2019-04-02** Printed - New Version Available
- **2019-04-04** Scheduled for 2nd Reading
- **2019-04-04** 2nd Reading Concurred `reading-2`
- **2019-04-05** Scheduled for 3rd Reading
- **2019-04-05** 3rd Reading Concurred `passage, reading-3`
- **2019-04-05** Returned to Senate with Amendments
- **2019-04-09** Scheduled for 2nd Reading
- **2019-04-10** Scheduled for 2nd Reading
- **2019-04-10** 2nd Reading House Amendments Not Concurred `amendment-failure`
- **2019-04-10** Conference Committee Appointed
- **2019-04-11** Conference Committee Appointed
- **2019-04-15** Hearing
- **2019-04-15** Conference Committee Report Received
- **2019-04-16** Conference Committee Report Received
- **2019-04-17** Scheduled for 2nd Reading
- **2019-04-17** 2nd Reading Conference Committee Report Adopted `reading-2`
- **2019-04-18** Scheduled for 3rd Reading
- **2019-04-18** Scheduled for 2nd Reading
- **2019-04-18** 2nd Reading Conference Committee Report Adopted `reading-2`
- **2019-04-18** 3rd Reading Conference Committee Report Adopted `reading-3`
- **2019-04-18** Scheduled for 3rd Reading
- **2019-04-18** 3rd Reading Conference Committee Report Adopted `reading-3`
- **2019-04-18** Sent to Enrolling
- **2019-04-18** Printed - New Version Available
- **2019-04-23** Returned from Enrolling
- **2019-04-23** Printed - Enrolled Version Available
- **2019-04-26** Signed by President
- **2019-04-26** Signed by Speaker
- **2019-04-29** Transmitted to Governor `executive-receipt`
- **2019-05-07** Signed by Governor `executive-signature`
- **2019-05-08** Chapter Number Assigned

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7c950be8-2032-4775-8ced-038f555c35e5`. Confidence: reported (aggregated from official Montana legislature records).