Solar PV in Arizona
Which codes apply? In Arizona, solar PV systems fall under local adoption of the NEC, local adoption of the IRC, local adoption of the IBC, and the 2024 IFC (statewide minimum).
Codes that reach solar PV systems
The edition Arizona enforces for each code that governs the product, and the part of the code that does.
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NECNational Electrical CodeThe Arizona NEC recordLocal adoptionVerified
Where it reaches the product. Article 690, solar photovoltaic systems, with 705 for the interconnection and 690.12 for rapid shutdown.
A.R.S. 9-802 (municipal adoption by reference); A.R.S. 11-861 (county adoption by reference); A.R.S. 34-461 (public buildings)
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IRCInternational Residential CodeThe Arizona IRC recordLocal adoptionVerified
Where it reaches the product. Section R324, solar energy systems.
A.R.S. 9-802 (municipal adoption by reference); A.R.S. 11-861 (county adoption by reference); A.R.S. 34-461 (public buildings)
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IBCInternational Building CodeThe Arizona IBC recordLocal adoptionVerified
Where it reaches the product. Rooftop structures and the structural load of the array.
A.R.S. 9-802 (municipal adoption by reference); A.R.S. 11-861 (county adoption by reference); A.R.S. 34-461 (public buildings)
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IFCInternational Fire CodeThe Arizona IFC record2024 IFCVerified
in force since Apr 13, 2026 · Statewide minimum
Where it reaches the product. Chapter 12, section 1205, solar photovoltaic power systems and roof access.
Arizona State Fire Code · A.A.C. R4-36-201 (amended 32 A.A.R. 558); A.R.S. 37-1383(A)(2)
Arizona laws that name solar PV systems
On the site: seven laws, rules, orders, and bills, newest first.
| Law or rule | Kind | Stage | Date | What it does |
|---|---|---|---|---|
| SB 1419 | Bill | PartialIn force | Sep 12, 2026 | Requires residential solar contracts to disclose costs, savings assumptions, and warranties, including inverter and battery warranties. Source (opens in a new tab) |
| A.A.C. R4-36-201 | Rule | PartialIn force | Apr 13, 2026 | Adopts the 2024 International Fire Code, with state amendments, as the State Fire Code. Source (opens in a new tab) |
| Chino Valley Ordinance 2025-956 | Local ordinance | PartialIn force | Sep 23, 2025 | Allows rooftop solar on homes and parking structures, and battery storage at homes and businesses only when stored energy is used on site. Source (opens in a new tab) |
| A.A.C. R4-9-102 | Rule | PartialIn force | Nov 5, 2017 | Defines commercial contractor license classes; electrical work under 600 volts falls under C-11, and no class covers solar electric or battery work specifically. Source (opens in a new tab) |
| HB 2134 | Bill | PartialDid not pass | – | Would have barred utilities and public bodies from connecting certain equipment from Chinese companies to critical infrastructure. Source (opens in a new tab) |
| HB 2781 | Bill | PartialDid not pass | – | Would have required solar power plant owners to file decommissioning plans and keep financial assurance. Source (opens in a new tab) |
| Tucson Electric Power interconnection | Program rule | PartialIn force | – | Requires utility approval before construction and permission to operate before a home solar or storage system is energized. 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