Tigo optimizers are advanced module-level power electronics (MLPE) hardware devices attached directly to individual solar panels within a photovoltaic system. Unlike traditional string inverter setups where a single shaded or underperforming panel drags down the energy output of the entire string, Tigo optimizers independently manage the current and voltage of each individual module. This ensures maximum energy extraction across the whole array, improves system safety with built-in rapid shutdown features, and provides granular, panel-level performance tracking via cloud software.