The oproelectronic HELIENE modules are manufactured with textured glass or pyramidal glass.
THE TEXTURED GLASS
This helps to get a higher diffuse light attraction resulting in a photovoltaic module capable of reaching its full production with less difficulty and hence offering best performance.
THE PYRAMIDAL GLASS
The pyramidal glass has been developed to further enhance the PV efficiency gain. The deep pyramidal structure increases the efficiency of the PV module by 3% annually. This efficiency gain can reach 10% for solar light with 70º incident angle. The antireflection performance increases with the angle of light, being highest in the first few hours of sun in the morning and during late sung light hours in the evening.
In the same way it improves the reduction of the light reflected from the outside (air-glass interface) and the internal trapping of the light reflected from the solar cells in the module.
All these reasons make the pyramidal glass the most efficient glass for the PV modules.
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