---
type: "Bill"
title: "An Act To Update The Regional Greenhouse Gas Initiative Allowances"
description: "An Act To Update The Regional Greenhouse Gas Initiative Allowances"
jurisdiction: "us/states/me"
legislature: "Maine Legislature"
session: "132"
identifier: "LD 2037"
citation: "Maine LD 2037 (132)"
classification: ["bill"]
subjects: ["AIR QUALITY", "ALLOWANCES", "EMISSIONS"]
status: "enacted"
primary_sponsors: ["Christopher KESSLER"]
version_count: 2
action_count: 27
vote_count: 3
first_action: "2025-12-03"
last_action: "2026-03-09"
source: "openstates"
source_identifier: "ocd-bill/790cbbcc-1251-4297-b4b4-5784637e8d49"
source_url: "https://legislature.maine.gov/LawMakerWeb/dockets.asp?ID=280100902"
source_hash: "bf2e3f3dc02b6e06686e8cc4cce350c9a12c8a870d4afa6f46712080be1f7c14"
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-me"]
---

# Maine LD 2037 (132) — An Act To Update The Regional Greenhouse Gas Initiative Allowances

## Version chain

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

1. **Chapter 550** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP1367&item=2&snum=132)
2. **LD 2037 HP 1367** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP1367&item=1&snum=132)

## Votes

- Enactment — **71–66** (pass) · lower
- ACC MAJ OUGHT TO PASS REP — **75–64** (pass) · lower
- ACCEPT MAJORITY OUGHT TO PASS REPORT — **19–13** (pass) · upper

## Sponsors

- Christopher KESSLER — primary (person)

## Timeline

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

- **2025-12-03** Received by the Clerk of the House on December 3, 2025. `receipt`
- **2025-12-03** The Bill was REFERRED to the Committee on ENVIRONMENT AND NATURAL RESOURCES pursuant to Joint Rule 308.2 and ordered printed pursuant to Joint Rule 401. `referral-committee`
- **2026-02-10** Reports READ.
- **2026-02-10** On motion of Representative DOUDERA of Camden, the Majority Ought to Pass Report was ACCEPTED.
- **2026-02-10** ROLL CALL NO. 608
- **2026-02-10** (Yeas 75 - Nays 64 - Absent 9 - Excused 1 - Vacant 2)
- **2026-02-10** The Bill was READ ONCE. `reading-1`
- **2026-02-10** Under suspension of the rules, the Bill was given its SECOND READING without REFERENCE to the Committee on Bills in the Second Reading.
- **2026-02-10** The Bill was PASSED TO BE ENGROSSED. `reading-3`
- **2026-02-10** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2026-02-12** Reports Read
- **2026-02-12** On motion by Senator TEPLER of Sagadahoc to ACCEPT the Majority Ought to Pass Report PREVAILED
- **2026-02-12** Roll Call Ordered Roll Call Number 714 Yeas 19 - Nays 13 - Excused 3 - Absent 0
- **2026-02-12** Bill READ ONCE `reading-1`
- **2026-02-12** ASSIGNED FOR SECOND READING NEXT LEGISLATIVE DAY.
- **2026-02-24** COMMITTEE ON BILLS IN THE SECOND READING REPORTS NO FURTHER VERBAL AMENDMENTS NECESSARY. REPORT ACCEPTED.
- **2026-02-24** READ A SECOND TIME and PASSED TO BE ENGROSSED, in concurrence. `reading-2, reading-3`
- **2026-02-24** Ordered sent down forthwith
- **2026-02-26** PASSED TO BE ENACTED. `passage`
- **2026-02-26** ROLL CALL NO. 627
- **2026-02-26** (Yeas 71 - Nays 66 - Absent 12 - Excused 1 - Vacant 1)
- **2026-02-26** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2026-03-03** PASSED TO BE ENACTED, in concurrence. `passage`
- **2026-03-09** Signed by Governor `executive-signature`
- **2026-01-28T05:00:00+00:00** Work Session Held
- **2026-01-28T05:00:00+00:00** Voted - Divided Report
- **2026-02-03T05:00:00+00:00** Reported Out - OTP/ONTP

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/790cbbcc-1251-4297-b4b4-5784637e8d49`. Confidence: reported (aggregated from official Maine legislature records).