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The amount of power that can be generated per unit area of cross section of the tidal stream, typically measured in watts per square meter.

The vertical difference between the high tide and the low tide. Areas with high tidal ranges are typically more suitable for tidal energy generation.

A device with blades that can be turned by flowing water from tides, converting kinetic energy into mechanical energy.

A tidal energy converter that has wing-like blades, which oscillate in the tidal current and generate electricity.

A ratio that measures the actual output of a tidal power plant compared to its theoretical maximum output if it produced at full capacity all the time.

A numerical coefficient that quantifies the amplitude of the tide. Higher coefficients indicate a greater tidal range, which may benefit tidal power generation.

A device that extracts energy from moving masses of water, similar in principle to both wind turbines and hydroelectric generators.

A dam-like structure used to capture the potential energy from tidal range. It typically spans the entire width of a tidal estuary.

The effect that the construction and operation of tidal energy technologies have on the surrounding ecosystem, including marine life and sediment transport.

The time difference between the peak high tide at one location and the peak high tide at another, potentially used for balancing energy generation over time.

The ratio of the average load (or power) produced by a power plant to the peak or maximum load that it could produce. This is different from capacity factor as it is relevant to the demand side.

An untried but promising technology that involves constructing a large dam-like structure perpendicular to the coast, exploiting the potential and kinetic energy in tidal flows.

An underwater kite connected to a turbine. Tidal movements cause the kite to move through the water, which turns the turbine and generates electricity.

A form of hydropower that converts energy obtained from tides into useful forms of power, mainly electricity.