Solar PV in Maryland
Which codes apply? In Maryland, solar PV systems fall under the 2017 NEC, the 2021 IRC, the 2021 IBC, and another model code in place of the IFC.
Codes that reach solar PV systems
The edition Maryland enforces for each code that governs the product, and the part of the code that does.
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NECNational Electrical CodeThe Maryland NEC record2017 NECPartial
Statewide, with exceptions
Where it reaches the product. Article 690, solar photovoltaic systems, with 705 for the interconnection and 690.12 for rapid shutdown.
COMAR 29.06.01 (State Fire Prevention Code); COMAR 09.12.50.02-1B (Model Performance Code)
The 2023 NEC is in development.
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IRCInternational Residential CodeThe Maryland IRC record2021 IRCVerified
in force since May 29, 2023
Where it reaches the product. Section R324, solar energy systems.
Maryland Building Performance Standards · COMAR 09.12.51; Public Safety Article 12-503
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IBCInternational Building CodeThe Maryland IBC record2021 IBCVerified
in force since May 29, 2023
Where it reaches the product. Rooftop structures and the structural load of the array.
Maryland Building Performance Standards · COMAR 09.12.51; Public Safety Article 12-503
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IFCInternational Fire CodeThe Maryland IFC recordAnother model codeVerified
Where it reaches the product. Chapter 12, section 1205, solar photovoltaic power systems and roof access.
State Fire Prevention Code · COMAR 29.06.01.06-.09; Public Safety Article, Title 6
Maryland laws that name solar PV systems
Statutes, rules, and commission orders are tracked state by state.
No Maryland 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