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.

Residential energy storage systems in New Hampshire

Which codes apply? In New Hampshire, residential energy storage systems fall under the 2023 NEC, the 2024 IRC, NFPA 1 in place of the IFC, and the 2023 NFPA 855 through the fire code.

Wall or floor units at a one- or two-family home, about 5 to 20 kWh each, up to 80 kWh in a garage or outdoors. State record read Oct 25, 2026. Data as of Oct 26, 2026.

Codes that reach residential energy storage 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 706, energy storage systems, with 705 for the interconnection and 710 for stand-alone operation.

    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 R328, stationary storage battery systems in dwellings.

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

    The New Hampshire IRC record
  3. IFCInternational Fire Code
    Another model codeVerified

    Where it reaches the product. Chapter 12, energy systems, section 1207, which also points to NFPA 855.

    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
  4. NFPA 855NFPA 855, Standard for the Installation of Stationary Energy Storage Systems
    2023 NFPA 855Verified

    in force since Jul 27, 2026 · Through NFPA 1, chapter 52 · Edition derived from the fire code the state adopts

    Where it reaches the product. Chapter 15, one- and two-family dwellings and townhouses.

    New Hampshire State Fire Code: NFPA 1 Uniform Fire Code, 2024 edition · RSA 153:1, VI-a (2026, 104:1)

    The New Hampshire NFPA 855 record

New Hampshire laws that name residential energy storage systems

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

No New Hampshire law or rule on the site names residential energy storage 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