Sweden

Sweden

PHOTOS: Wooden turbine tower takes shape in Sweden

A prototype wind turbine tower made from wood has been installed at a test site in southern Sweden.

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The tower designer Modvion said it contributes to reducing the carbon footprint of a wind turbine while remaining as strong as the steel counterpart.

The 30-metre prototype will undergo testing, but Modvion already has agreements in place to install 110-metre and 150-metre towers in 2022.

"Laminated wood is stronger than steel at the same weight and by building in modules, the wind turbines can be taller. By building in wood, we also reduce carbon dioxide emissions in manufacturing and instead store carbon dioxide in the design", said Otto Lundman, CEO of Modvion.

Windpower Monthly's technology expert Eize de Vries spoke to Modvion and its partners in our October issue while the tower segments were in production. You can read more here

Modvion also claimed wood retain the carbon dioxide absorbed by the trees while they grow. The wood towers are also "significantly" cheaper than steel towers, lowering the levelised cost of energy (LCoE) of the electricity produced at those wind sites.

The tower modules can be transported by road more easily than some modern steel tower segments.

"Wind power is expected to be the EU's largest power source as early as 2027. With wind towers in wood, we get even more climate-smarter renewable electricity to face the climate crisis," said Ola Carlson, director of the Swedish Wind Power Technology Centre, which took delivery of the wooden prototype.

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