Producing energy from waves and tides has a stop-and-start history. But with a new U.S. testing site opening in 2026, recent federal investment, and accelerating efforts to reach net zero emissions, developers aiming to harness the vast power of the sea are feeling optimistic.
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The ocean is one of the planet’s biggest untapped sources of renewable energy, and for decades people have been trying their best to harness its power. The amount of energy available is huge: Theoretically, the waves off the West and East Coasts of the United States could provide more than 60 percent of U.S. grid electricity generation. Australia’s wave energy has the potential to generate more than 1,300 terawatt-hours per year, nearly five times the nation’s energy requirements.
