---
type: "Bill"
title: "relative to electric grid modernization."
description: "relative to electric grid modernization."
jurisdiction: "us/states/nh"
legislature: "New Hampshire General Court"
session: "2023"
identifier: "SB 166"
citation: "New Hampshire SB 166 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["David H. Watters"]
version_count: 1
action_count: 24
vote_count: 0
first_action: "2023-01-20"
last_action: "2023-08-10"
source: "openstates"
source_identifier: "ocd-bill/737eb67e-bf0b-43c2-8f5e-778ee52b65ea"
source_url: "https://www.gencourt.state.nh.us/bill_status/legacy/bs2016/bill_status.aspx?lsr=1047&sy=2023&sortoption=&txtsessionyear=2023"
source_hash: "6656e44f757a304d567b5e3ff155396c022e169183309216b2c12d3386261aff"
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 166 (2023) — relative to electric grid modernization.

## Version chain

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

1. **Amendment #2023-1392h** (committee substitute) — [source](https://www.gencourt.state.nh.us/bill_status/legacy/bs2016/billText.aspx?sy=2023&id=2023-1392h&txtFormat=amend)

## Sponsors

- David H. Watters — primary (person)
- Cindy Rosenwald — cosponsor (person)
- Debra Altschiller — cosponsor (person)
- Donna M. Soucy — cosponsor (person)
- Donovan Fenton — cosponsor (person)
- Kat McGhee — cosponsor (person)
- Kevin A. Avard — cosponsor (person)
- Lou D'Allesandro — cosponsor (person)
- Rebecca J. McWilliams — cosponsor (person)
- Rebecca Perkins Kwoka — cosponsor (person)
- Shannon E. Chandley — cosponsor (person)

## Timeline

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

- **2023-01-20** Introduced 01/19/2023 and Referred to Energy and Natural Resources; SJ 5 `introduction, referral-committee`
- **2023-01-25** Hearing: 02/02/2023, Room 103, SH, 01:15 pm; SC 8
- **2023-03-08** Committee Report: Ought to Pass with Amendment # 2023-0831s, 03/16/2023; Vote 5-0; CC; SC 13 `committee-passage-favorable, passage`
- **2023-03-16** Committee Amendment # 2023-0831s, AA, VV; 03/16/2023; SJ 10
- **2023-03-16** Ought to Pass with Amendment 2023-0831s, MA, VV; OT3rdg; 03/16/2023; SJ 10 `committee-passage-favorable, passage`
- **2023-03-21** Introduced (in recess of) 03/16/2023 and referred to Science, Technology and Energy `introduction, referral-committee`
- **2023-03-28** Public Hearing: 04/10/2023 10:00 am LOB 302-304
- **2023-04-11** Executive Session: 04/18/2023 09:00 am LOB 302-304
- **2023-04-11** Full Committee Work Session: 04/17/2023 01:00 pm LOB 302-304
- **2023-04-25** Committee Report: Ought to Pass with Amendment # 2023-1392h 04/18/2023 (Vote 20-0; CC) `committee-passage-favorable, passage`
- **2023-05-04** Amendment # 2023-1392h: AA VV 05/04/2023 HJ 13 P. 19
- **2023-05-04** Ought to Pass with Amendment 2023-1392h: MA VV 05/04/2023 HJ 13 P. 19 `committee-passage-favorable, passage`
- **2023-06-01** Sen. Avard Moved Nonconcur with the House Amendments; Requests C of C, MA, VV; 06/01/2023; SJ 16
- **2023-06-15** President Appoints: Senators Avard, Birdsell, Watters; (In Recess 06/08/2023); SJ 19
- **2023-06-15** House Accedes to Senate Request for CofC (Rep. Vose): MA VV 06/15/2023 HJ 16 P. 11
- **2023-06-15** Speaker Appoints: Reps. Vose, D. Thomas, Harrington, Cormen 06/15/2023 HJ 16 P. 11
- **2023-06-20** Committee of Conference Meeting: 06/20/2023, 1:00 p.m., Room 100, SH
- **2023-06-19** Conferee Change: Rep. Bernardy Replaces Rep. Harrington 06/19/2023 HJ 16 P. 14
- **2023-06-22** Conference Committee Report # 2023-2217c Filed 06/22/2023; House Amendment + New Amendment HJ 16
- **2023-06-29** Conference Committee Report 2023-2217c: Adopted, VV 06/29/2023 HJ 17 P. 16
- **2023-06-29** Conference Committee Report # 2023-2217c, Adopted, VV; 06/29/2023; SJ 20
- **2023-07-27** Enrolled Adopted, VV, (In recess 06/29/2023); SJ 20 `enrolled`
- **2023-07-28** Enrolled (in recess of) 06/29/2023 HJ 17 P. 18
- **2023-08-10** Signed by the Governor on 08/08/2023; Chapter 0243; Effective 10/07/2023 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/737eb67e-bf0b-43c2-8f5e-778ee52b65ea`. Confidence: reported (aggregated from official New Hampshire legislature records).