- Floating PV installations are frequently constructed on inland huge bodies of water, whether natural or manmade. The proposals include a floating mounting mechanism that supports PV modules over water with a framing structure comparable to a standard ground-mounted PV system. The two most prevalent types of solar trackers on the market are single-axis and dual-axis. Single-axis solar trackers follow the sun from east to west while rotating around a single point, moving in unison, by panel row, or by section