Answer for you.
Tidal power refers to the potential energy of water formed by the rise and fall of sea water. Its usage principle is similar to hydroelectric power generation . Tidal energy is ocean energy in the form of potential energy, which refers to the potential energy and kinetic energy of water formed by the rise and fall of sea water. It includes the energy contained in two modes of movement: the tide and the current. The tide contains enormous energy in its rise and fall. This energy is an eternal and pollution-free energy.