New HampshireSB5402025-2026 Regular SessionSenateWALLET

(New Title) relative to plug-in solar generation systems.

Sponsored By: David H. Watters (Democratic)

Signed by Governor

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Bill Overview

Analyzed Economic Effects

5 provisions identified: 2 benefits, 1 costs, 2 mixed.

Portable solar users avoid utility fees

Beginning January 1, 2027, utilities cannot require approval or charge related fees for compliant portable solar devices. Utilities also cannot demand extra controls or equipment beyond those built into the device. Utilities can offer an optional way to report wattage and the number of devices at an address after installation. Owners do not have to report, and notice cannot trigger approval, interconnection review, or an interconnection agreement.

State limits rules for connecting generators

Beginning January 1, 2027, New Hampshire limits state rules for connecting generators to the electric grid. Safety, reliability, and power quality requirements must be reasonable. They cannot exceed applicable test standards from the American National Standards Institute, Underwriters Laboratories, or Institute of Electrical and Electronics Engineers.

Utilities shielded from portable solar claims

Beginning January 1, 2027, electric distribution utilities are not liable for harms arising from a customer's portable solar device. This protection covers damage, injury, compensation, and charges arising from installation or use. The law does not limit claims against the device's manufacturer, installer, or owner.

Portable solar exemptions have size limits

Beginning January 1, 2027, qualifying portable solar devices in New Hampshire are exempt from utility interconnection requirements and agreements. They are outside state net metering rules, and each metered customer is limited to one system with no more than 1,200 watts of AC inverter output. Devices must be movable and connect to a building's branch circuit through an outlet listed for that purpose. They must mainly offset the customer's on-site electricity use. Certified, listed anti-islanding and rapid-shutdown safeguards must prevent the device from supplying power during a grid outage.

Solar users get guidance and safety rules

Beginning January 1, 2027, the state building code review board must update the code to address portable solar devices. The update must recognize applicable national standards. Devices must meet applicable building codes and follow the manufacturer's installation and operating instructions. New Hampshire's Department of Energy must create and maintain a public information page about these devices. It must cover meter compatibility across utilities, possible electric bill effects, and safety standards and considerations.

Sponsors & Cosponsors

Sponsor

  • David H. Watters

    Democratic • Senate

Cosponsors

  • Cindy Rosenwald

    Democratic • Senate

  • Debra Altschiller

    Democratic • Senate

  • Howard Pearl

    r • Senate

  • Kat McGhee

    Democratic • House

  • Keith R. Murphy

    Republican • Senate

  • Kevin A. Avard

    Republican • Senate

  • Rebecca Perkins Kwoka

    Democratic • Senate

Roll Call Votes

No roll call votes available for this bill.

Actions Timeline

  1. II. Remainder Effective 07/02/2026

    7/9/2026Senate
  2. I. Section 3 of this act shall take effect as provided in Section 6

    7/9/2026Senate
  3. Signed by the Governor on 07/02/2026; Chapter 262

    7/9/2026Senate
  4. Enrolled (in recess of) 06/04/2026 HJ 15 P. 45

    6/17/2026House
  5. Enrolled Adopted, VV, (In recess 06/04/2026); SJ 14

    6/17/2026Senate
  6. Enrolled Bill Amendment # 2026-2020e Adopted, VV, (In recess of 06/04/2026); SJ 14

    6/5/2026Senate
  7. Enrolled Bill Amendment # 2026-2020e: AA VV (in recess of) 05/21/2026 HJ 14 P. 37

    6/2/2026House
  8. Sen. Pearl Moved to Concur with the House Amendment, MA, VV; 05/07/2026; SJ 11

    5/7/2026Senate
  9. Referral Waived by Committee Chair per House Rule 47(f) 04/23/2026 HJ 11 P. 72

    4/23/2026House
  10. Referred to Finance 04/23/2026 HJ 11 P. 72

    4/23/2026House
  11. Ought to Pass with Amendment 2026-1452h: MA DV 293-43 04/23/2026 HJ 11 P. 72

    4/23/2026House
  12. Amendment # 2026-1452h: AA VV 04/23/2026 HJ 11 P. 71

    4/23/2026House
  13. Minority Committee Report: Inexpedient to Legislate

    4/15/2026House
  14. Majority Committee Report: Ought to Pass with Amendment # 2026-1452h (NT) 04/13/2026 (Vote 16-1; RC)

    4/15/2026House
  15. Executive Session: 04/13/2026 09:00 am GP 229

    4/8/2026House
  16. Public Hearing: 04/06/2026 01:00 pm GP 229

    3/26/2026House
  17. Introduced (in recess of) 03/12/2026 and referred to Science, Technology and Energy HJ 8 P. 114

    3/16/2026House
  18. Ought to Pass: MA, VV; OT3rdg; 03/12/2026; SJ 6

    3/6/2026Senate
  19. Committee Report: Ought to Pass, 03/12/2026; Vote 6-0; CC; SC 9

    3/5/2026Senate
  20. Ought to Pass with Amendment #2026-0511s, MA, VV; Refer to Finance Rule 4-5; 02/19/2026; SJ 4

    2/18/2026Senate
  21. Committee Amendment # 2026-0511s, AA, VV; 02/19/2026; SJ 4

    2/9/2026Senate
  22. Committee Report: Ought to Pass with Amendment # 2026-0511s, 02/19/2026; Vote 5-0; CC; SC 6

    2/4/2026Senate
  23. Hearing: 01/08/2026, Room 103, SH, 01:30 pm; SC 46

    12/9/2025Senate
  24. Introduced 01/07/2026 and Referred to Energy and Natural Resources; SJ 1

    11/24/2025Senate

Bill Text

  • As Amended

    6/5/2026

  • Enrolled

    6/2/2026

  • Introduced

    11/24/2025

  • CHAPTERED FINAL VERSION

  • Version adopted by both bodies

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