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.

Commercial and utility energy storage systems in Delaware

Which codes apply? In Delaware, commercial and utility energy storage systems fall under the 2023 NEC, NFPA 1 in place of the IFC, local adoption of the IBC, and the 2023 NFPA 855.

Cabinets and containers at a business, a campus, or a substation. State record read Oct 24, 2026. Data as of Oct 26, 2026.

Codes that reach commercial and utility energy storage systems

The edition Delaware 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 Jan 1, 2026

    Where it reaches the product. Article 706, with 705 for the interconnection.

    Delaware State Fire Prevention Regulations (Regulation 701), 2026 edition · 1 DE Admin. Code 701 section 3.1.42; 29 DE Reg. 509 (12/01/25)

    The Delaware NEC record
  2. IFCInternational Fire Code
    Another model codeVerified

    Where it reaches the product. Chapter 12, section 1207, and the operational permit.

    Delaware State Fire Prevention Regulations (NFPA 1, Fire Code, 2024) · 1 DE Admin. Code 701 section 3.1.1; 29 DE Reg. 509 (12/01/25)

    The Delaware IFC record
  3. IBCInternational Building Code
    Local adoptionPartial

    Where it reaches the product. Occupancy, construction type, and separation for the building that holds the system.

    16 Del.C. 7601

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

    in force since Jan 1, 2026 · Adopted directly

    Where it reaches the product. The whole standard: siting, size and separation, fire control, explosion control, and commissioning.

    Delaware State Fire Prevention Regulations, 2026 update · 29 DE Reg 509 (12-01-25)

    The Delaware NFPA 855 record

Delaware laws that name commercial and utility energy storage systems

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

No Delaware law or rule on the site names commercial and utility 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