The first commercial tidal energy project in North America is in its last test phase.
Turbines have been engineered a little way off the coast of Eastport Maine in such a way to ensure they always turn the same way, whether the tide is rolling in, or out.
The turbines power a generator, creating electricity. Cables carry it onshore and directly into the power grid.
Three years from now, they hope to power 1,200 homes. Is it time for communities to take to generating power on a smaller scale?
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