How 3D concrete printing could slash time and cost in building offshore wind projects

A startup working to build 3D-printed concrete towers for land-based wind turbines now wants to do the same for offshore projects.

If successful, 3D-printed offshore wind foundations could be a fraction of existing technology costs.The towers and foundations for offshore wind turbines currently being deployed at sea, and the even larger machines under development, are so massive that shipping the components via road or rail is becoming increasingly difficult, if not impossible.

To address the issue, a startup founded by a former National Renewable Energy Laboratory engineer aims to use concrete additive manufacturing, also known as 3D concrete printing, to build turbine towers and foundations at or near ports for less money and in less time than with conventional methods.

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