Common solar mistakes include poor structure alignment, wrong inverter sizing, loose wiring, and ignoring shade analysis. These issues can reduce output and create safety risks.</p><!– /wp:paragraph –><!– wp:paragraph –><p>Another mistake is choosing products without checking warranty, load requirement, and future expansion plans.</p><!– /wp:paragraph –><!– wp:paragraph –><p>Professional design and installation help your system perform better for many years.