A single-axis solar tracker is a mounting system that automatically adjusts the angle of solar panels throughout the day, maximizing their exposure to direct sunlight. Drawing upon more than two decades of experience as a market leader in dual-axis tracking systems, KSI has harnessed its expertise to develop the most advanced, cost-effective, and. The Energy5 photovoltaic tracker is a single-axis, fully maintenance-free system that follows the sun. It enables the installation of modules in one row up to a maximum length of 98m. ↓ Send inquiry for catalog, bulk price, samples, technical support What is a Single Axis Solar Tracker?.