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Solar trackers follow the sun to increase PV electricity generation — ideal for ground-mounted systems, Agri-PV projects and yield-optimized solar installations.
A solar tracker is a tracking system that moves solar modules so that they follow the position of the sun. This increases the solar irradiation on the modules — and therefore the electricity yield compared to fixed PV installations.
Solar trackers automatically adjust the angle of photovoltaic modules so that they remain optimally aligned with the sun throughout the day.
There are single-axis trackers, which rotate the modules horizontally (east–west) or vertically (south–north), and dual-axis trackers, which follow the sun in two directions and enable the most precise alignment.
The movement is controlled either by light sensors or by pre-programmed solar position algorithms.
In large ground-mounted PV systems, solar trackers can increase electricity generation by 15–30% compared to fixed systems.
• Ground-mounted PV systems in commercial or agricultural projects
• Combination with battery energy storage systems (BESS) to extend generation windows
• Agri-PV systems, where trackers optimize sunlight distribution for crops
• Energy projects in regions with high solar irradiation
• Commercial PV projects with a focus on maximizing electricity yield per area
• Energy yield increase (%): typically +15–30% compared to fixed PV systems
• System size (kWp): trackers are often economical for medium to large installations
• Additional investment costs: higher than fixed mounting systems but often with faster ROI
• Maintenance requirements: moving components require regular inspection
• Structural stability: strong foundations are required to withstand wind and snow loads
Solar trackers increase the electricity generation of photovoltaic systems by actively following the sun throughout the day.
They are particularly valuable for ground-mounted PV projects or Agri-PV systems, where maximizing electricity yield per installed capacity is crucial. In combination with battery energy storage systems, trackers can further improve the economic performance of solar energy projects.
