Nowdays more people going for bi‑facial solar panels and not the old one-side type. Sunora’s bi‑facial mono PERC half-cut panel is one of the reason. It give better performance and more saving in long run. Normal panels only take sunlight from top, but this one also take from back side. So if you have white floor or wall, it reflect sun and panel also use that. It help you get more... https://sunorasolar.com/bi-facial-mono-perc-hc-module/