Swiss Company Boasts 29% Efficient Solar Panels
The use of tiny “space-grade” solar cells and lenses have enabled Insolight to achieve a claimed 29% efficiency for its high-tech solar panels, which are currently at the commercial pre-production stage. Panel efficiency1 is continually improving, but improvements tend to be incremental. Solar panels installed on rooftops in Australia these days have a conversion efficiency of anywhere between 15% and a little over 22%, with modules towards the upper end of the range associated with top-shelf brands such as SunPower and LG. Insolight’s module has a face covered by small lenses, concentrating sunlight 200x. The light is focused on an array of high-performance 1mm2 multi-junction solar cells on a layer...