Building and operating floating photovoltaic power plants on water can be another great solution for areas with limited availability of suitable land. This solution not only offers the possibility to use renewable energy sources but also protection against excessive evaporation of water. Studies are focused on efficiency, performance, reliability of supply, operational safety and financial return. Scientific data suggest that this technology could be deployed at sea level, paving the way to significant amounts of energy, particularly for island states. In addition, it could contribute to the protection of the environment and the water regime.