America's first wave-produced power goes online in Hawaii | WHAT REALLY HAPPENED

America's first wave-produced power goes online in Hawaii

Off the coast of Hawaii, a tall buoy bobs and sways in the water, using the rise and fall of the waves to generate electricity.

The current travels through an undersea cable for a mile to a military base, where it feeds into Oahu's power grid—the first wave-produced electricity to go online in the U.S.

By some estimates, the ocean's endless motion packs enough power to meet a quarter of America's energy needs and dramatically reduce the nation's reliance on oil, gas and coal.

But wave energy technology lags well behind wind and solar power, with important technical hurdles still to be overcome.

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