Codes of Record

What applies to my job?

Pick the state and the product you build, install, or inspect. The card below answers from each state’s own record.

Solar PV in New Hampshire

Which codes apply? In New Hampshire, solar PV systems fall under the 2023 NEC, the 2024 IRC, the 2024 IBC, and NFPA 1 in place of the IFC.

Rooftop and ground-mounted photovoltaic arrays and their wiring. State record read Oct 20, 2026. Data as of Oct 26, 2026.

Codes that reach solar PV systems

The edition New Hampshire enforces for each code that governs the product, and the part of the code that does.

  1. NECNational Electrical Code
    2023 NECVerified

    in force since Jul 1, 2025

    Where it reaches the product. Article 690, solar photovoltaic systems, with 705 for the interconnection and 690.12 for rapid shutdown.

    New Hampshire State Building Code (RSA 155-A), National Electrical Code 2023 · RSA 155-A:1, IV

    The New Hampshire NEC record
  2. IRCInternational Residential Code
    2024 IRCVerified

    in force since Jul 1, 2026

    Where it reaches the product. Section R324, solar energy systems.

    2024 New Hampshire State Building Code · RSA 155-A:1, IV

    The New Hampshire IRC record
  3. IBCInternational Building Code
    2024 IBCVerified

    in force since Jul 1, 2026

    Where it reaches the product. Rooftop structures and the structural load of the array.

    2024 New Hampshire State Building Code · RSA 155-A:1, IV

    The New Hampshire IBC record
  4. IFCInternational Fire Code
    Another model codeVerified

    Where it reaches the product. Chapter 12, section 1205, solar photovoltaic power systems and roof access.

    New Hampshire State Fire Code (NFPA 1 Uniform Fire Code) · RSA 153:1, VI-a; RSA 153:5; Saf-FMO 300

    The New Hampshire IFC record

New Hampshire laws that name solar PV systems

Statutes, rules, and commission orders are tracked state by state.

No New Hampshire law or rule on the site names solar PV systems. The product page shows the states that have one.

For information only. Your local building or fire official decides which code applies. We check state records often but can miss a recent change, so confirm with your official before you design, permit, or install. Terms of use