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This paper aims to understand how photovoltaic (PV) panels impact wind loads on low-rise buildings. The hypothesis posits that solar panels on a roof reduce wind-induced forces on components and cladding. To test this hypothesis, we experimentally investigated a 1:7.5 scale model in an open-jet wind facility, considering cases of bare roof and roofs with PV panels in three different configurations. The findings indicate that PV panels offer varying benefits based on the wind direction angle, generally reducing total wind forces on the primary structure. The addition of solar panels yields wind load reductions of 45–63%, depending on the configuration and details of the solar panel system, implying that buildings may not require additional reinforcement for PV panels. The findings have significant implications for enhancing the design and installation of residential solar energy systems, promising a more sustainable and secure future amid climate change and extreme weather challenges.

Wind loads on a low-rise gable roof with and without solar panels and comparison to design standards