A few tidal projects, such as the 42-year-old barrage at Rance in France, operate like traditional hydro schemes, in which tidal water simply rushes through turbines.

• 几个潮汐工程象传统的水电方案那样在运转，在运转中潮汐水仅仅是冲过涡轮，比如在法国兰斯海湾的有42年之久的水坝。