Inverters and power control in Texas
Which codes apply? In Texas, inverters and power control systems fall under the 2026 NEC and the 2015 residential IECC.
Codes that reach inverters and power control systems
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, interconnected power sources, with 690 and 706 for the source and the listing the inverter must carry.
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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IECC residentialInternational Energy Conservation Code, residentialThe Texas IECC residential record2015 IECCVerified
in force since Sep 1, 2016
Where it reaches the product. Where a state adopts the solar-ready or storage-ready appendix, the space and the conduit the inverter needs.
Energy Efficiency Chapter 11 of the 2015 International Residential Code (Texas single-family residential energy code) · Tex. Health & Safety Code §388.003(a); State Energy Conservation Office rules, 34 TAC ch. 19
The 2024 IECC is in development.
Texas laws that name inverters and power control systems
On the site: three laws, rules, orders, and bills, newest first.
| Law or rule | Kind | Stage | Date | What it does |
|---|---|---|---|---|
| SB 2368 | Bill | PartialIn force | Sep 1, 2025 | Requires ERCOT market participants to attest compliance with the foreign-adversary access law and report critical grid equipment purchases from covered companies. 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) |
| ERCOT Nodal Operating Guide Revision Request 245 | Tariff | PartialIn force | Oct 1, 2024 | Requires inverter-based resources and certain wind resources in ERCOT to meet voltage and frequency ride-through requirements consistent with or exceeding IEEE 2800-2022. Source (opens in a new tab) |
Every Texas law on inverters and power control systems, with filters
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