Inverters and power control in Wisconsin
Which codes apply? In Wisconsin, inverters and power control systems fall under the 2023 NEC and the 2009 residential IECC.
Codes that reach inverters and power control systems
The edition Wisconsin enforces for each code that governs the product, and the part of the code that does.
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NECNational Electrical CodeThe Wisconsin NEC record2023 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.
Wisconsin electrical code (ch. SPS 316) · Wis. Admin. Code ch. SPS 316 (NEC edition listed in s. SPS 316.007(1)(a)); Clearinghouse Rule CR 26-016 (Register June 2026 No. 846)
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IECC residentialInternational Energy Conservation Code, residentialThe Wisconsin IECC residential record2009 IECCVerified
in force since Jan 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.
UDC Energy Conservation (ch. SPS 322) · Wis. Admin. Code ch. SPS 322
Wisconsin laws that name inverters and power control systems
On the site: one law or rule, newest first.
| Law or rule | Kind | Stage | Date | What it does |
|---|---|---|---|---|
| PSC Application Filing Requirements: Solar Energy Projects | Agency guidance | PartialIn force | Oct 1, 2025 | Lists what large solar projects must file, including setbacks, inverter details, decommissioning plans and costs, and plans for any co-located battery storage. Source (opens in a new tab) |
Every Wisconsin 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