Floating solar or FPV (Floating photovoltaic), refers to an array of solar panels on a structure that floats on a body of water, typically an artificial basin or a lake.
This technology has had a rapid growth on the renewable energy market since 2016 and in 2017 has overcome the 200 MW of installed power. The first 20 plants, of a few dozen of kWp have been built between 2008 and 2014 as reported in the MIRARCO paper [1] that analyzed the birth of this technology.
Check out this website and think about how this could save your customers a lot of money: https://en.wikipedia.org/wiki/Floating_solar