Confirmed effect

Since 2006, Alfasolar has been using glass with a pyramid surface structure in these products and says it reduces the reflection of obliquely incident light. Yield thereby increases compared to equally powerful modules using smooth glass, especially in the morning and evening and under diffuse light.

The institute is said to have found that 90 percent of the light falling at an angle of 85 degrees reached the cells, thanks to the pyramidal glass, while glass with no anti-reflective structure or coating transmitted only 40 percent.