Large-format modules have become the industry standard for new utility-scale solar installations, with the conversation now shifting to the optimal wafer size: 210 mm or 182 mm. However, some difficulties persist in switching to the new standard, and a significant portion of the effort has fallen to tracker manufacturers. To gain a better perspective on what has changed, pv magazine’s Tim Sylvia sat down with three of the largest tracker manufacturers – Trina Solar, Nextracker, and Array Technologies – to discuss the common themes of availability, optimization and standardization.