Harnassing the tides in the Bay of Fundy

A new kind of turbine at the mouth of the Bay of Fundy.

The TidGen Power System takes advantage of one of nature’s most consistent energy sources: the tide. It sits on the floor of a bay or deep river, where water rotates foils that drive a permanent magnet generator, sending roughly 150 kilowatts of electricity to shore. The first TidGen unit, installed off the coast of Maine last year, was the first ocean-energy project of any kind to connect to the U.S. grid. An environmental assessment released in March showed no adverse impact to the marine ecosystem.

A previous experiment with a different kind of turbine was not conclusive. The experimental turbine was simply taken out of the water.

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