Plug-in solar in Utah
Which codes apply? In Utah, plug-in solar falls under the 2023 NEC and the 2021 IRC.
Codes that reach plug-in solar
The edition Utah enforces for each code that governs the product, and the part of the code that does.
-
NECNational Electrical CodeThe Utah NEC record2023 NECPartial
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.
Utah State Construction Code: National Electrical Code · Utah Code 15A-2-103(1)(g); amended edition by H.B. 313 (2025 General Session)
-
IRCInternational Residential CodeThe Utah IRC record2021 IRCPartial
in force since Jul 1, 2024
Where it reaches the product. Chapter 39, receptacles and branch circuits.
Utah State Construction Code (IRC chapters, Title 15A Chapter 3 Part 2) · Utah Code 15A-2-103(1)(b); amendments in Title 15A, Chapter 3, Part 2
Utah laws that name plug-in solar
On the site: one law or rule, newest first.
| Law or rule | Kind | Stage | Date | What it does |
|---|---|---|---|---|
| Utah H.B. 340 (2025) Solar Power Amendments | Statute | PartialIn force | May 7, 2025 | Defines portable solar generation devices (up to 1,200 W, plugged into a 120 V outlet) and exempts them from interconnection agreements, net metering, and utility approval or fees. 1,200 W max; NEC-compliant; UL or equivalent lab certification; anti-energizing feature during outage; utility not liable. Source (opens in a new tab) |
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