The Bay of Fundy in Maine has the highest tides in the world, making it ideal for a tidal generator like this one by Ocean Renewable Energy. The potential is significant, but getting energy from waves and tides is very difficult and requires work of lengthy environmental testing and product development. In the U.S., there are several test sites and in Europe, a small number of machines are generating electricity to the grid. In another indicator of the rich history of renewable energy, President Franklin Delano Roosevelt wanted to build a generator near the Bay of Fundy in the 1930s but eventually pulled the plug because of the high cost of the project. For more wave and tidal generators, see this slideshow.
March 5, 2012 3:59 AM PST
Photo by: Ocean Renewable Power
| Caption by: Martin LaMonica
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