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Can You Turn the Bay of Fundy’s High Tides into Clean Energy?

posted by Jason Kottke   Dec 15, 2022

Canada’s Bay of Fundy has the highest tides in the world, with a difference between low and high tides reaching more than 50 feet in some areas. That’s a lot of water in motion:

In a single tidal cycle of just over 12 hours, about 110 billion tons of water flows in and out of the Bay of Fundy. That sounds like a lot. To get a handle on just how much it is, it is equivalent to the combined total 24 hr flow of all the rivers of the world!

With that much flowing water, you should be able to generate a massive amount of hydroelectric power. But as Tom Scott explains in this succinct video, the problem is that there’s almost too much energy to harness — the tide is so strong that it just destroys turbines.

See also Bay of Fundy Extreme Tides Time Lapse.