A solar tracker is simply a device that has the primary purpose of directing solar panels or modules toward the sun. That is why when solar trackers. Now that it's been established that solar trackers help increase the amount of energy produced by a solar installation, you must be thinking that. Solar trackers are devices that direct solar panels or modules toward the sun. And in order to maximize the energy capture, these devices have to change their orientation throughout the day. Solar trackers are incredibly.