Tidal power refers to generating electricity using the natural rise and fall of ocean tides. It harnesses the energy from the tides' movement, similar to how wind turbines generate power from wind. Full definition
This is to correct for the slowing down of the earth's rotation due to the extraordinary use of tidal power for electricity generation in the early twenty first century. (jennifermarohasy.com)
They are also investing in tidal power generation to help achieve that goal. (businessinsider.com)
This will be the world's largest tidal power station - which resembles a wind farm, only underwater! (earthtimes.org)