Chapter 31 — SPECIAL CONSTRUCTION

Section 3111 — SOLAR ENERGY SYSTEMS

2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California

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3111.1 General. Solar energy systems shall comply with the requirements of this section.

3111.1 General. Solar energy systems shall comply with the requirements of this section. 3111.1.1 Wind resistance. Rooftop-mounted photovoltaic (PV) panel systems and solar thermal collectors shall be designed in accordance with Section 1609. Exception: [DSA-SS, DSA-SS/CC, HCD-1, HCD-2] Rooftop-mounted photovoltaic (PV) panel systems and solar thermal collectors shall be designed in accordance with Section 1511.10 of this code. on Jul 18, 2025 11:14 AM (CDT) THEREUNDER. SPECIAL CONSTRUCTION 3111.1.2 Roof live load. Roof structures that provide support for solar energy systems shall be…

3111.2 Solar thermal systems.

3111.2 Solar thermal systems. Solar thermal systems shall be designed and installed in accordance with this section, the California Plumbing Code, the California Mechanical Code and the California Fire Code . Where light-transmitting plastic covers are used, solar thermal collectors shall be designed in accordance with Section 2606.12. 3111.2.1 Equipment. Solar thermal systems and components shall be listed and labeled in accordance with ICC 900/SRCC 300 and ICC 901/SRCC 100.

3111.3 Photovoltaic solar energy systems.

3111.3 Photovoltaic solar energy systems. Photovoltaic solar energy systems shall be designed and installed in accordance with this section, the California Fire Code, the California Electrical Code and the manufacturer’s installation instructions. 3111.3.1 Equipment. Photovoltaic panels and modules shall be listed and labeled in accordance with UL 1703 or with both UL 61730-1 and UL 61730-2. Inverters shall be listed and labeled in accordance with UL 1741. Systems connected to the utility grid shall use inverters listed for utility interaction. 3111.3.2 Fire classification. Rooftop-mounted…