pv magazine was alerted to the existence of a PV power plant where the galvanized steel posts of the mounting frames were found to be heavily corroded after just a few years. There is a risk of the module racks failing during the 20 year operating period. The problem is not unique to this plant, but the good news is that there’s a simple solution.
The rust on this steel post is due to a design flaw.
Image: Ache Engineering
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