Is tidal energy renewable or non renewable?

Tidal energy is renewable in the sense that it comes natural processes that are beyond our control. Tidal energy is drawn from the orbital energy of the Earth-Moon system. Because of the tidal friction, the Moon is slowly getting further away, so it will not last forever. read more

Tidal energy is renewable The energy of the tides will not go away if we use their power to generate electricity. It is renewable in the sense that we cannot take away the source of the energy by using them (unlike fossil fuels, of which there is a limited supply. read more