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.

State

Residential energy storage systems in New Jersey

Which codes apply? In New Jersey, residential energy storage systems fall under the 2023 NEC, the 2024 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 24, 2026. Data as of Oct 26, 2026.

Codes that reach residential energy storage systems

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

NECNational Electrical Code

2023 NECVerified

in force since Aug 17, 2026

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

Electrical Subcode, National Electrical Code (NFPA 70)/2023 · N.J.A.C. 5:23-3.16

The New Jersey NEC record
IRCInternational Residential Code

2024 IRCVerified

in force since Aug 17, 2026

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

One- and Two-Family Dwelling Subcode, International Residential Code/2024, NJ ed · N.J.A.C. 5:23-3.21

The New Jersey IRC record
IFCInternational Fire Code

2018 IFCPartial

in force since Oct 15, 2024

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

Uniform Fire Code (2018 International Fire Code, (NJ) Edition) · N.J.A.C. 5:70-3.1

The 2024 IFC is proposed.

The New Jersey IFC record
NFPA 855NFPA 855, Standard for the Installation of Stationary Energy Storage Systems

Not referencedPartial

Fire code predates NFPA 855

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

Uniform Fire Code, N.J.A.C. 5:70 · N.J.A.C. 5:70-3.1

The New Jersey NFPA 855 record

Coming next

IFC
The 2024 IFC is proposed.
DFS March 19, 2026 minutes say the proposal was placed in the NJ Register on March 2, 2026 and was in its 60-day comment period.
Partial

State or local

NECPermits applied for under a six-month grace period may still be reviewed under the prior edition (2020 NEC); secondary source gives Feb 17, 2027, as the end of that window.
IRCSix-month grace period lets complete permit applications be reviewed under the prior (2021) edition; a secondary source gives Feb 17, 2027, as the end.

Cities and counties can amend a statewide code, so confirm the edition in force with the local official.

Go deeper

New Jersey laws that name residential energy storage systems

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

No New Jersey 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