What changes next for solar PV systems in Oklahoma?

The 2026 NEC is in development.

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

Solar PV in Oklahoma

Which codes apply? In Oklahoma, solar PV systems fall under the 2023 NEC (statewide minimum), the 2024 IRC (statewide minimum), the 2024 IBC (statewide minimum), and the 2024 IFC (statewide minimum).

Rooftop and ground-mounted photovoltaic arrays and their wiring. State record read Oct 19, 2026. Data as of Oct 26, 2026.

Codes that reach solar PV systems

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

NECNational Electrical Code

2023 NECVerified

in force since Sep 14, 2024 · Statewide minimum

Where it reaches the product. Article 690, solar photovoltaic systems, with 705 for the interconnection and 690.12 for rapid shutdown.

OUBCC Rules, NEC 2023 (OAC 748:20-10) · OAC 748:20-10-1

The 2026 NEC is in development.

The Oklahoma NEC record
IRCInternational Residential Code

2024 IRCVerified

in force since Sep 14, 2026 · Statewide minimum

Where it reaches the product. Section R324, solar energy systems.

OUBCC Rules, IRC 2024 (OAC 748:20-6) · OAC 748:20-6-1

The Oklahoma IRC record
IBCInternational Building Code

2024 IBCVerified

in force since Sep 14, 2026 · Statewide minimum

Where it reaches the product. Rooftop structures and the structural load of the array.

OUBCC Rules, IBC 2024 (OAC 748:20-2) · OAC 748:20-2-1

The Oklahoma IBC record
IFCInternational Fire Code

2024 IFCVerified

in force since Sep 14, 2026 · Statewide minimum

Where it reaches the product. Chapter 12, section 1205, solar photovoltaic power systems and roof access.

OUBCC Rules, IFC 2024 (OAC 748:20-4) · OAC 748:20-4-1

The Oklahoma IFC record

Coming next

NEC
The 2026 NEC is in development.
OUBCC home page says a committee reviewing the 2026 NEC has begun meeting; the technical committee page says OUBCC is reviewing the ‘2027 National Electrical Code’ (naming inconsistent).
Partial

State or local

NECOklahoma sets the NEC as a statewide minimum, so a city or county may enforce a newer edition.
NECRule states the OUBCC has not incorporated published NEC errata or TIAs for the 2023 edition.
IRCOklahoma sets the IRC as a statewide minimum, so a city or county may enforce a newer edition.
IRCAppendices A through X are informative and not mandatory unless a local jurisdiction adopts them (stated in the 2018 rule, 748:20-6-3(a)).
IBCOklahoma sets the IBC as a statewide minimum, so a city or county may enforce a newer edition.
IFCOklahoma sets the IFC as a statewide minimum, so a city or county may enforce a newer edition.

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

Go deeper

Oklahoma laws that name solar PV systems

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

No Oklahoma law or rule on the site names solar PV 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