The most common types of marine structures used in tidal energy are:
1. Tidal barrages: These are dams built across estuaries or bays to harness the power of tidal currents.
2. Tidal turbines: These are similar in design to wind turbines, and are submerged in the water to capture the kinetic energy of tidal currents.
3. Tidal fences: These structures consist of multiple tidal turbines mounted on a single floating or fixed platform.
4. Floating tidal platforms: These are large, floating structures that support multiple tidal turbines.
5. Oscillating water columns: These structures use the rise and fall of waves to drive air through a turbine, generating electricity.
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