How tidal power generators capture energy from the natural ebb and flow of the oceans

Tidal stream: horizontal axis device

Similar to a wind turbine. The tidal stream turns rotor blades to generate power

Horizontal axis turbine

Tidal stream

Rotor blades

Tidal stream: vertical axis turbine

Uses two scoop-shaped blades rotating on a vertical axis to harness energy

Vertical axis turbine

Tidal stream

Tidal stream: horizontal axis device

Tidal stream: vertical axis turbine

Similar to a wind turbine. The tidal stream turns rotor blades to generate power

Uses two scoop-shaped blades rotating on a vertical axis to harness energy

Horizontal axis turbine

Vertical axis turbine

Tidal stream

Tidal stream

Rotor blades