Interconnection devices in Texas
Which codes apply? In Texas, interconnection devices fall under the 2026 NEC and the 2012 IRC (local option).
Codes that reach interconnection devices
The edition Texas enforces for each code that governs the product, and the part of the code that does.
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NECNational Electrical CodeThe Texas NEC record2026 NECVerified
in force since Sep 1, 2026
Where it reaches the product. Article 705 for the point of connection, 230 for the service, and 702 for optional standby systems.
2026 National Electrical Code (Texas state electrical code) · 16 Tex. Admin. Code §73.100; Tex. Occ. Code §1305.101(a)(2)
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IRCInternational Residential CodeThe Texas IRC record2012 IRCVerified
in force since Jan 1, 2022 · Local adoption
Where it reaches the product. Chapter 37 and the electrical provisions that mirror the NEC.
International Residential Code, as it existed on May 1, 2012 (municipal residential building code) · Tex. Local Gov’t Code §214.212
Texas laws that name interconnection devices
On the site: seven laws, rules, orders, and bills, newest first.
| Law or rule | Kind | Stage | Date | What it does |
|---|---|---|---|---|
| 16 TAC 25.513 | Rule | PartialIn force | May 22, 2026 | Funds grants or loans for islanding backup power packages at critical facilities that pair gas or propane generation with solar panels and batteries. Source (opens in a new tab) |
| PUCT Project No. 54233 | Rule | PartialPending | May 14, 2025 | Proposes, as a staff discussion draft, new statewide interconnection rules for distributed energy resources, split at 250 kW, with updated inverter ride-through and certification standards. Source (opens in a new tab) |
| HB 3346 | Bill | PartialDid not pass | – | Proposes requiring utilities to allow certified customer-owned meter socket adapters and requiring expedited interconnection, including faster approval for systems under 50 kW. Source (opens in a new tab) |
| HB 3905 | Bill | PartialDid not pass | – | Proposes barring utilities and retail providers from restricting customer-sited solar through size caps, extra standards, licensing demands, or owner-paid inspections, with 21-day interconnection decisions. Source (opens in a new tab) |
| HB 5569 | Bill | PartialDid not pass | – | Proposes state fire marshal fire safety standards, based on NFPA 855, for grid battery storage approved for interconnection from Jan 1, 2027. Operators would need site emergency plans, free responder training, and fire inspections every three years; conflicting local rules would be void. Source (opens in a new tab) |
| SB 1825 | Bill | PartialDid not pass | – | Proposes state fire marshal fire safety standards, based on NFPA 855 and UL 9540A, for grid battery storage approved for interconnection from Jan 1, 2027. Operators would need site emergency plans, free responder training, and fire inspections every three years; conflicting local rules would be void. Source (opens in a new tab) |
| SB 2021 | Bill | PartialDid not pass | – | Proposes letting distributed energy resources, including home batteries, sell into the ERCOT wholesale market directly or through registered aggregations, meeting utility interconnection requirements. 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