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 Idaho

Which codes apply? In Idaho, residential energy storage systems fall under the 2023 NEC, the 2018 IRC, the 2018 IFC, and a fire code that predates NFPA 855.

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 Idaho 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 Apr 19, 2024

    Where it reaches the product. Article 706, energy storage systems, with 705 for the interconnection and 710 for stand-alone operation.

    National Electrical Code, 2023 Edition, with Idaho amendments · IDAPA 24.39.10.600.01; Idaho Code Title 54, Chapter 10

    The Idaho NEC record
  2. IRCInternational Residential Code
    2018 IRCVerified

    in force since Jan 1, 2021

    Where it reaches the product. Section R328, stationary storage battery systems in dwellings.

    Idaho Residential Code (2020 Edition) · IDAPA 24.39.30.600.03; Idaho Code 39-4109(1)(b)

    The 2024 IRC is in development for July 1, 2028.

    The Idaho IRC record
  3. IFCInternational Fire Code
    2018 IFCPartial

    in force since Jan 1, 2021

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

    International Fire Code, 2018 Edition (State Fire Marshal) · IDAPA 18.08.01; Idaho Code 41-253

    The 2024 IFC is in development.

    The Idaho IFC record
  4. NFPA 855NFPA 855, Standard for the Installation of Stationary Energy Storage Systems
    Not referencedVerified

    Fire code predates NFPA 855

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

    Idaho State Fire Marshal rules adopting the 2018 International Fire Code · IDAPA 18.08.01; Idaho Code 41-253

    The Idaho NFPA 855 record

Idaho laws that name residential energy storage systems

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

No Idaho 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