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Oscillating water column: Waves rise and fall inside this structure and compress and decompress the air captured inside. The pressure difference drives a Wells turbine. (Picture: Voith Siemens Hydro Power Generation GmbH & Co. KG)
Electricity from Breakwaters

Wells turbines built into coastal protection walls harvest energy from waves and reduce construction costs.

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The Best of Germany

Florian Langenscheidt presents 250 reasons to love Germany today.