Featured in Spotlight on quality – 04-2021

Curtailing corrosion: making mounting structures last

Raw material quality is vital for solar power plants, particularly given higher expectations for their lifetimes, as 30+ years is becoming increasingly common for PV arrays. Steel is the main structural material used in such installations today, so the use of quality protective coatings in their construction has never been more important, writes Jérôme Guth, the solar segment leader for ArcelorMittal Europe.

By

pv magazine

07 Apr 2021

Whether for a fixed-tilt setup or tracker system, floating PV, or other novel applications, the upper part of a mounting structure is exposed to atmospheric corrosion. For ground-mounted arrays, soil corrosion can be a corrosion vector for the foundations, as can exposure to water in a floating application. Although they account for less than 10% …

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