Partial shading of panels is a big problem that is often overlooked by solar installers. Any shading of a section of a panel not only stops they bit of the panel generating electricity, but it turns it into a higher resistance section of panel, reducing even further the output of the rest of the panel. Having support posts and knitting and all that other gubbins above and around the track to shade the panels is a really suboptimal situation to build solar.
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