Marine PV Module Frames: How Can They Withstand Salt Spray, Moisture and Galvanic Corrosion?
Sep 17, 2026
As PV power plants expand from land into nearshore, tidal-flat and over-water environments, modules face more than sunlight, wind pressure and temperature changes.
High levels of salt spray and humidity, seawater splashing and contact between dissimilar metals in marine environments place stricter demands on the long-term reliability of PV modules. As key structural and protective components, aluminum frames must support and secure the modules, contribute to sealing, and withstand sustained corrosive exposure.
How can marine PV module frames remain stable in these complex environments? The answer involves more than adding a protective layer. It requires a comprehensive protection strategy covering materials, surfaces, structures, connections and testing.
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