How Many Strings of Photovoltaic Panels Are Normal? Solar Array Design Explained

When designing solar power systems, one question keeps haunting installers: "How many PV panel strings are normal?" Well, here's the kicker - there's no universal "normal." The 2023 Gartner Emerging Tech Report found that 68% of commercial solar projects require custom string configurations. But why does this number vary so much, and how can you optimize your setup?