# New Hampshire HB1723: requiring utilities and electric grid operators to assess and report the vulnerability of high-voltage transformers to geomagnetic and electromagnetic disturbances, and to recommend mitigation measures to protect the state electric infrastructure.

New Hampshire HB1723, requiring utilities and electric grid operators to assess and report the vulnerability of high-voltage transformers to geomagnetic and electromagnetic disturbances, and to recommend mitigation measures to protect the state electric infrastructure., is a 2025-2026 Regular Session House bill sponsored by Rita G Mattson (Republican); status signed, last action 2026-07-16 (Signed by Governor Ayotte 07/10/2026; Chapter 310; eff. 9/1/2027); PRIA reads it as touching household money (as of 2026-10-17).

- Canonical: https://policyrisk.com/state-bill/NH-HB1723-2025-2026
- As of: 2026-10-17
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: New Hampshire HB1723
- State: New Hampshire
- Session: 2025-2026 Regular Session
- Title: requiring utilities and electric grid operators to assess and report the vulnerability of high-voltage transformers to geomagnetic and electromagnetic disturbances, and to recommend mitigation measures to protect the state electric infrastructure.
- Status: signed
- Chamber: House
- Introduced: 2025-12-17
- Last action: 2026-07-16, Signed by Governor Ayotte 07/10/2026; Chapter 310; eff. 9/1/2027
- Sponsor: Rita G Mattson (Republican)
- Cosponsors: 11
- Touches household money: yes
- Economic provisions PRIA read: 0

## Summary

No summary available.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Rita G Mattson (Republican), House
- Cosponsor: Brian D Cole (Republican), House
- Cosponsor: Daniel E. Innis (Republican), Senate
- Cosponsor: Denise Ricciardi (Republican), Senate
- Cosponsor: Douglas W. Thomas (Republican), House
- Cosponsor: James R Qualey (Republican), House
- Cosponsor: John Schneller (Republican), House
- Cosponsor: Kat McGhee (Democratic), House
- Cosponsor: Keith Michael Ammon (Republican), House
- Cosponsor: Mary Murphy (Republican), House
- Cosponsor: Matt R Sabourin dit Choinière
- Cosponsor: Unknown sponsor (PersonID 909)

## Actions (28)

- 2026-07-16: Signed by Governor Ayotte 07/10/2026; Chapter 310; eff. 9/1/2027 (House)
- 2026-07-01: Enrolled (in recess of) 06/04/2026 HJ 15 P. 56 (House)
- 2026-06-30: Enrolled Adopted, VV, (In recess 06/04/2026); SJ 15 (Senate)
- 2026-06-17: Enrolled Bill Amendment # 2026-2158e: AA VV (in recess of) 06/04/2026 HJ 15 P. 48 (House)
- 2026-06-17: Enrolled Bill Amendment # 2026-2158e Adopted, VV, (In recess of 06/04/2026); SJ 14 (Senate)
- 2026-05-21: House Concurs with Senate Amendment 2026-1811s and 2026-1307s (Rep. Vose): MA DV 186-153 05/20/2026 HJ 14 P. 22 (House)
- 2026-05-14: Ought to Pass with Amendment # 2026-1811s, MA, VV; OT3rdg; 05/14/2026; SJ 12 (Senate)
- 2026-05-14: Sen. Watters Floor Amendment # 2026-1811s, AA, VV; 05/14/2026; SJ 12 (Senate)
- 2026-05-14: Sen. Watters Moved Ought to Pass; 05/14/2026; SJ 12 (Senate)
- 2026-05-14: Refer to Interim Study, MF, VV; 05/14/2026; SJ 12 (Senate)
- 2026-05-07: Committee Report: Referred to Interim Study, 05/14/2026, Vote 7-0; SC 18 (Senate)
- 2026-05-07: Special Order to 05/14/2026, Without Objection, MA; 05/07/2026 SJ 11 (Senate)
- 2026-05-07: HB 1723 was Removed from the Consent Calendar; 05/07/2026; SJ 11 (Senate)
- 2026-04-24: Committee Report: Referred to Interim Study, 05/07/2026; Vote 7-0; CC; SC 17 (Senate)
- 2026-04-03: Committee Amendment # 2026-1307s, AA, VV; 04/09/2026; SJ 8 (Senate)
- 2026-04-03: Ought to Pass with Amendment #2026-1307s, MA, VV; Refer to Finance Rule 4-5; 04/09/2026; SJ 8 (Senate)
- 2026-04-02: Committee Report: Ought to Pass with Amendment # 2026-1307s, 04/09/2026; Vote 4-0; CC; SC 13 (Senate)
- 2026-03-26: Hearing: 03/31/2026, Room 103, SH, 09:00 am; SC 12 (Senate)
- 2026-03-17: Introduced 03/12/2026 and Referred to Energy and Natural Resources; SJ 7 (Senate)
- 2026-03-12: Ought to Pass with Amendment 2026-0935h: MA VV 03/12/2026 HJ 8 P. 65 (House)
- 2026-03-12: Amendment # 2026-0935h: AA VV 03/12/2026 HJ 8 P. 63 (House)
- 2026-03-04: Minority Committee Report: Inexpedient to Legislate (House)
- 2026-03-04: Majority Committee Report: Ought to Pass with Amendment # 2026-0935h 03/03/2026 (Vote 13-3; RC) HC 10 P. 72 (House)
- 2026-02-18: ==CONTINUED== Executive Session: 03/03/2026 10:00 am GP 159 (House)
- 2026-02-12: ==RECESSED== Executive Session: 02/17/2026 10:00 am GP 229 (House)
- 2026-01-29: Subcommittee Work Session: 02/02/2026 10:30 am GP 229 (House)
- 2026-01-08: Public Hearing: 01/14/2026 01:00 pm GP 229 (House)
- 2025-12-17: Introduced 01/07/2026 and referred to Science, Technology and Energy HJ 1 P. 33 (House)

## Bill text

- As Amended, 2026-06-17: [PDF](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=30636)
- Enrolled, 2026-06-17: [HTML](https://gc.nh.gov/bill_status/billinfo.aspx?id=1913&inflession=2025)
- Introduced, 2025-12-17: [PDF](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=24482)
- CHAPTERED FINAL VERSION: [PDF](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=34157)
- Version adopted by both bodies: [PDF](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=33127)

## Related bills

- HB2026: (New Title) relative to the state 10-year transportation improvement plan; relative to toll rate adjustments and periodic toll reviews for the New Hampshire tu… (became law)
- HB1002: repealing the solar energy systems tax exemption. (failed)
- HB1834: relative to the education freedom account enrollment cap. (failed)
- SB101: (Second New Title) authorizing parents to enroll their children in any public school in the state. (failed)
- CACR22: relating to the compensation of the legislature. Providing that the present compensation per elected term for legislators is hereby abolished. (failed)
- HB1786: relative to creating a state assessment on non-homestead luxury second homes to fund statewide housing development programs and address housing shortages and m… (failed)

## Sources
- [As Amended (PDF)](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=30636)
- [Enrolled (HTML)](https://gc.nh.gov/bill_status/billinfo.aspx?id=1913&inflession=2025)
- [Introduced (PDF)](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=24482)
- [CHAPTERED FINAL VERSION (PDF)](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=34157)
- [Version adopted by both bodies (PDF)](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=33127)

## Related
- [HB2026: (New Title) relative to the state 10-year transportation improvement plan; rela…](https://policyrisk.com/state-bill/NH-HB2026-2025-2026)
- [HB1002: repealing the solar energy systems tax exemption.](https://policyrisk.com/state-bill/NH-HB1002-2025-2026)
- [HB1834: relative to the education freedom account enrollment cap.](https://policyrisk.com/state-bill/NH-HB1834-2025-2026)
- [SB101: (Second New Title) authorizing parents to enroll their children in any public s…](https://policyrisk.com/state-bill/NH-SB101-2025-2026)
- [CACR22: relating to the compensation of the legislature. Providing that the present com…](https://policyrisk.com/state-bill/NH-CACR22-2025-2026)
- [HB1786: relative to creating a state assessment on non-homestead luxury second homes to…](https://policyrisk.com/state-bill/NH-HB1786-2025-2026)
- [New Hampshire bills](https://policyrisk.com/states/new-hampshire/bills)
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Source: PRIA, https://policyrisk.com/state-bill/NH-HB1723-2025-2026 (as of 2026-10-17).