---
type: "Bill"
title: "relative to port electrification, microgrid development, and cybersecurity standards for energy and water systems."
description: "relative to port electrification, microgrid development, and cybersecurity standards for energy and water systems."
jurisdiction: "us/states/nh"
legislature: "New Hampshire General Court"
session: "2026"
identifier: "SB 589"
citation: "New Hampshire SB 589 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 20
vote_count: 0
first_action: "2025-11-25"
last_action: "2026-06-24"
source: "openstates"
source_identifier: "ocd-bill/e26e478e-22a9-471a-8d7c-23cb4eee1be1"
source_url: "https://gc.nh.gov/bill_Status/billinfo.aspx?id=1237&inflect=2"
source_hash: "252f1b186610aa6094082fc8781feeabf3dbec2841c626bfeeec23638734b583"
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-nh"]
---

# New Hampshire SB 589 (2026) — relative to port electrification, microgrid development, and cybersecurity standards for energy and water systems.

## Version chain

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

1. **Introduced** (filed) — [source](https://gc.nh.gov/bill_Status/pdf.aspx?id=22269&q=billVersion)
2. **As Amended by the House** (committee substitute) — [source](https://gc.nh.gov/bill_Status/pdf.aspx?id=31470&q=billVersion)
3. **As Amended by the Senate** (committee substitute) — [source](https://gc.nh.gov/bill_Status/pdf.aspx?id=27377&q=billVersion)
4. **CHAPTERED FINAL VERSION** (committee substitute) — [source](https://gc.nh.gov/bill_Status/pdf.aspx?id=33990&q=billVersion)
5. **Version adopted by both bodies** (committee substitute) — [source](https://gc.nh.gov/bill_Status/pdf.aspx?id=32326&q=billVersion)

## Timeline

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

- **2025-11-25** Introduced 01/07/2026 and Referred to Energy and Natural Resources; SJ 1 `introduction, referral-committee`
- **2026-01-06** Hearing: 01/15/2026, Room 103, SH, 01:20 pm; SC 1
- **2026-02-04** Committee Report: Ought to Pass with Amendment # 2026-0512s, 02/19/2026; Vote 5-0; CC; SC 6 `committee-passage-favorable`
- **2026-02-09** Ought to Pass with Amendment #2026-0512s, MA, VV; OT3rdg; 02/19/2026; SJ 4 `committee-passage-favorable, passage`
- **2026-02-09** Committee Amendment # 2026-0512s, AA, VV; 02/19/2026; SJ 4
- **2026-02-26** Introduced (in recess of) 02/19/2026 and referred to Science, Technology and Energy HJ 5 P. 127 `introduction, referral-committee`
- **2026-03-26** Public Hearing: 04/06/2026 02:00 pm GP 229
- **2026-04-07** ==RECESSED== Executive Session: 04/07/2026 02:00 pm GP 229
- **2026-04-08** ==CONTINUED== Executive Session: 04/13/2026 09:00 am GP 229
- **2026-04-15** Committee Report: Ought to Pass with Amendment # 2026-1412h 04/13/2026 (Vote 18-0; RC) `committee-passage-favorable`
- **2026-04-23** Amendment # 2026-1412h: AA VV 04/23/2026 HJ 11
- **2026-04-23** Ought to Pass with Amendment 2026-1412h: MA VV 04/23/2026 HJ 11 `committee-passage-favorable, passage`
- **2026-05-07** Sen. Pearl Moved to Concur with the House Amendment, MA, VV; 05/07/2026; SJ 11
- **2026-06-02** Enrolled Bill Amendment # 2026-2028e: AA VV (in recess of) 05/21/2026 HJ 14
- **2026-06-05** Enrolled Bill Amendment # 2026-2028e Adopted, VV, (In recess of 06/04/2026); SJ 14 `amendment-passage`
- **2026-06-10** Enrolled Adopted, VV, (In recess 06/04/2026); SJ 14 `enrolled`
- **2026-06-10** Enrolled (in recess of) 06/04/2026 HJ 15
- **2026-06-24** Signed by the Governor on 06/19/2026; Chapter 197 `executive-signature`
- **2026-06-24** I. Section 8 Effective 07/01/2027
- **2026-06-24** II. Remainder Effective 06/19/2026

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e26e478e-22a9-471a-8d7c-23cb4eee1be1`. Confidence: reported (aggregated from official New Hampshire legislature records).