TOPCon solar cells are on their way to fully compete with PERC solar products, according to recent research from Germany’s Fraunhofer ISE. Efficiency gains for the TOPCon concept, however ...

“If the backside power yield increases the overall module efficiency by 10%, the power of bifacial PERC module can reach 330 watts for 60-cell module (300 watts from the front side), and 396 ...