Germany built a seawall that generates electricity from crashing waves — silently, endlesslyIn the Baltic coastal town of Rostock, Germany has turned its shoreline into an invisible power plant. Their new seawall doesn't just protect the land — it quietly captures wave energy and converts it into usable grid power, 24 hours a day.Beneath the concrete exterior are oscillating water columns — hollow chambers where wave motion forces air through turbines. Each wave pulse compresses and releases trapped air, spinning twin-directional generators with no external moving parts. It’s efficient, silent, and built to last.The design is modular: each seawall segment adds another 100 kW of power. The initial installation spans just 500 meters but already powers hundreds of nearby homes — without wind, sun, or fuel. And because the generators are inside the wall, they’re shielded from corrosion, storms, and marine life.This kind of hybrid infrastructure turns a cost — coastal defense — into a renewable asset. As sea levels rise, Germany’s wavewall offers double value: protection and production, all while blending into the landscape.Plans are underway to scale the tech along northern ports and even integrate it with offshore floating farms. It’s renewable power that hides in plain sight.