What is the single axis tracker?

Single axis tracker is the one alternative to fixed tilt solar arrays. More and more people select the single axis tracker is that its greatest benefit is the approximate 10-30% increased energy production that is a result of following the sun throughout the day.

Take into the additional land, installation and operations and maintenance costs required，Single-axis trackers are the most common tracking systems installed today. But single-axis trackers benefits are also dependent on some factors, such as the site`s latitude and project`s financial structure.

But some installation site can not suit to use the single axis tracker, for example the tilt roof, carport, landfill. Many people use the fixed tilt solar array, it is the simplicity. 

The picture is from online