Solar PV in Maine
Which codes apply? In Maine, solar PV systems fall under the 2026 NEC, the 2021 IRC, the 2021 IBC, and NFPA 1 in place of the IFC.
Codes that reach solar PV systems
The edition Maine enforces for each code that governs the product, and the part of the code that does.
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NECNational Electrical CodeThe Maine NEC record2026 NECVerified
in force since Jul 1, 2026
Where it reaches the product. Article 690, solar photovoltaic systems, with 705 for the interconnection and 690.12 for rapid shutdown.
Chapter 120, Electrical Installation Standards · 02-318 C.M.R. ch. 120; 32 M.R.S. 1153 and 1153-A
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IRCInternational Residential CodeThe Maine IRC record2021 IRCPartial
in force since Apr 7, 2025 · Statewide, with exceptions
Where it reaches the product. Section R324, solar energy systems.
MUBEC Chapter 5, Building Code for One and Two-Family Dwellings in Maine · 16-642 C.M.R. chs. 1 and 5; 10 M.R.S. 9721 et seq.
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IBCInternational Building CodeThe Maine IBC record2021 IBCPartial
in force since Apr 7, 2025 · Statewide, with exceptions
Where it reaches the product. Rooftop structures and the structural load of the array.
Maine Uniform Building and Energy Code (MUBEC) · 16-642 C.M.R. chs. 1 and 3; 10 M.R.S. 9721 et seq.
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IFCInternational Fire CodeThe Maine IFC recordAnother model codePartial
Where it reaches the product. Chapter 12, section 1205, solar photovoltaic power systems and roof access.
Chapter 3, Fire Prevention Code (NFPA 1) and Chapter 20, Fire Safety in Buildings and Structures (NFPA 101) · 16-219 C.M.R. chs. 3 and 20; 25 M.R.S. 2452
Maine laws that name solar PV systems
Statutes, rules, and commission orders are tracked state by state.
No Maine 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