---
type: "Bill"
title: "An Act Concerning The Status Of Battery Storage Systems With Regard To The Business Equipment Tax Exemption"
description: "An Act Concerning The Status Of Battery Storage Systems With Regard To The Business Equipment Tax Exemption"
jurisdiction: "us/states/me"
legislature: "Maine Legislature"
session: "132"
identifier: "LD 819"
citation: "Maine LD 819 (132)"
classification: ["bill"]
subjects: ["BUSINESS EQUIPMENT EXEMPTION", "PROPERTY TAX", "RELIEF"]
status: "enacted"
primary_sponsors: ["Eleanor SATO"]
version_count: 3
action_count: 24
vote_count: 0
first_action: "2025-02-27"
last_action: "2025-07-01"
source: "openstates"
source_identifier: "ocd-bill/127c288f-23d1-428b-8092-054370cfe1c3"
source_url: "https://legislature.maine.gov/LawMakerWeb/dockets.asp?ID=280097019"
source_hash: "fa6d72dc0ea06eded888ae6a9cf41eedd45a5bb95e06a64dd2972f6dd6b8ed46"
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 819 (132) — An Act Concerning The Status Of Battery Storage Systems With Regard To The Business Equipment Tax Exemption

## Version chain

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

1. **Amendment C-A (H-770)** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0526&item=2&snum=132)
2. **Chapter 467** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0526&item=3&snum=132)
3. **LD 819 HP 526** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0526&item=1&snum=132)

## Sponsors

- Eleanor SATO — primary (person)
- John DUCHARME — cosponsor (person)
- Kathy JAVNER — cosponsor (person)
- Mark BLIER — cosponsor (person)
- Matthea DAUGHTRY — cosponsor (person)
- Nathan CARLOW — cosponsor (person)
- Parnell TERRY — cosponsor (person)
- Rachel HENDERSON — cosponsor (person)
- Richard BENNETT — cosponsor (person)
- Stacy BRENNER — cosponsor (person)

## Timeline

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

- **2025-02-27** Received by the Clerk of the House on February 27, 2025. `receipt`
- **2025-02-27** The Bill was REFERRED to the Committee on TAXATION pursuant to Joint Rule 308.2 and ordered printed pursuant to Joint Rule 401. `referral-committee`
- **2025-03-21** Carried over, in the same posture, to the next special or regular session of the 132nd Legislature, pursuant to Joint Order SP 519.
- **2025-06-17** Reports READ.
- **2025-06-17** On motion of Representative CLOUTIER of Lewiston, the Majority Ought to Pass as Amended Report was ACCEPTED.
- **2025-06-17** The Bill was READ ONCE. `reading-1`
- **2025-06-17** Committee Amendment "A" (H-770) was READ and ADOPTED. `committee-passage-favorable, passage`
- **2025-06-17** Under suspension of the rules, the Bill was given its SECOND READING without REFERENCE to the Committee on Bills in the Second Reading.
- **2025-06-17** The Bill was PASSED TO BE ENGROSSED as Amended by Committee Amendment "A" (H-770). `reading-3`
- **2025-06-17** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2025-06-17** Reports Read
- **2025-06-17** On motion by Senator GROHOSKI of Hancock the Majority Ought to Pass as Amended Report ACCEPTED.
- **2025-06-17** Bill READ ONCE `reading-1`
- **2025-06-17** Committee Amendment "A" (H-770) READ and ADOPTED `committee-passage-favorable`
- **2025-06-17** Under suspension of the Rules, READ A SECOND TIME and PASSED TO BE ENGROSSED AS AMENDED by Committee Amendment "A" (H-770) in concurrence `reading-2, reading-3`
- **2025-06-18** PASSED TO BE ENACTED. `passage`
- **2025-06-18** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2025-06-18** On motion by Senator ROTUNDO of Androscoggin PLACED ON THE SPECIAL APPROPRIATIONS TABLE pending ENACTMENT in concurrence.
- **2025-06-25** On motion by Senator ROTUNDO of Androscoggin taken from the Special Appropriations Table
- **2025-06-25** PASSED TO BE ENACTED in concurrence. `passage`
- **2025-07-01** Signed by Governor `executive-signature`
- **2025-03-25T04:00:00+00:00** Work Session Held
- **2025-03-25T04:00:00+00:00** Voted - Divided Report
- **2025-06-17T04:00:00+00:00** Reported Out - OTP-AM/ONTP

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/127c288f-23d1-428b-8092-054370cfe1c3`. Confidence: reported (aggregated from official Maine legislature records).