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.

Plug-in solar in New Hampshire

Which codes apply? In New Hampshire, plug-in solar falls under the 2023 NEC and the 2024 IRC.

A small array with its own inverter that plugs into an ordinary outlet. State record read Oct 20, 2026. Data as of Oct 26, 2026.

Codes that reach plug-in solar

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 and 705 as written, which is why states write a statute to let the device plug in.

    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. Chapter 39, receptacles and branch circuits.

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

    The New Hampshire IRC record

New Hampshire laws that name plug-in solar

On the site: one law or rule, newest first.

Law or ruleKindStageDateWhat it does
NH SB 540-FN (2026) relative to plug-in solar generation systemsgc.nh.govStatutePartialIn forceJul 2, 2026Allows portable plug-in solar generation devices without utility approval, fees or interconnection review; utilities may offer an optional after-installation report. 1,200 W AC inverter output, one system per metered customer; anti-islanding/rapid shutdown listed to industry standards; receptacle listed for the purpose; one section may take effect 2027-01-01. Source (opens in a new tab)

Every New Hampshire law on plug-in solar, with filters

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