Passivated Emitter Rear Cell (PERC) technology provides excellent power output through advanced cell architecture. 5631 Pa snow load (117 psf) tested load to UL1703. [/one-half-first] [one-half]The HELIENE 60 M is a 60-cell monocrystalline photovoltaic module featuring a double-webbed 15-micron anodized aluminum alloy frame. Covered by a low-iron content, high-transmission PV solar front glass, each of the 60 monocrystalline cells measures 156 mm X 156 mm. Doing Solar Differently details,please consult Premier Energies. Our hardworking team calls Texas home and is devoted to producing high quality solar products a d services. It's high efficiency and certified reliability make it ideal for utility grid-tied installations including ground-mounted and commercial rooftop solar panel systems.