Energy from water – Tidal barrage

Authors: Brink, R. van den Lamboo, S.
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Energy from water factsheet - Tidal barrage (Last update: 2021-04-19 10:01:14)

Tidal barrage systems work on the principle that ebb and flow at sea cause a water level difference across a dam or flood defence structure. This potential energy can be harvested with turbines (Witteveen+Bos & CE Delft, 2019). In addition to bi-directional low-head turbines, free-flow turbines can also be used. There are a number of locations where bi-directional low-head turbines are in the picture for possible projects, partly due to a possible dual role as pump and turbine. That is why tidal barrage at dams has been included in a separate fact sheet, despite the overlap with the tidal stream category.

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