Inspenet, August 3, 2023.
Modvion, a leading company specializing in wood technology, has taken on the challenge of building the tallest wooden wind turbine ever created . This monumental work is being carried out in Skara, Sweden, commissioned by Varberg Energi, an energy company.
This impressive project is part of Modvion’s Wind of Change initiative. With a height of 105 meters , it is estimated that the complete structure, including the blades of the wind turbine, will reach 150 meters . The selection of the wind turbine to crown this tower has fallen on the 2 MW Vestas V90 model, manufactured by the Danish company Vestas, renowned in the wind turbine sector.
Wooden wind turbine: innovative and ecological
The modules used to build the tower are made of a material called Laminated Veneer Lumber (LVL), produced at the Modvion factory in Gothenburg. This company maintains that the laminated veneer lumber used in the modules is lighter and stronger than traditional steel towers. To ensure the waterproofness of the tower, a waterproof paint is applied.
Modvion uses Scandinavian spruce wood in its projects, sourced from northern forests with certified sustainable management and reforestation programs.
The tower features a patented modular design that allows it to be transported on standard highways without the need for special permits. This technology makes it easier to build taller and more cost-effective towers compared to traditional steel towers.
Once it arrives at the construction site, the tower is assembled using several cylinders that are between 16 and 24 meters high. These are stacked one on top of the other similar to a conventional tower.
Durability and functionality
According to Modvion, wooden wind turbine towers have a lifespan of around 25 to 30 years .
Once dismantled, the materials can be reused in conventional constructions and various applications. In addition, the company ensures that its wooden tower has a negative carbon balance , that is, it absorbs more carbon dioxide than it emits during its production, thanks to the natural ability of wood to capture carbon from the environment.
To get an idea, the life cycle emissions of a 110 m steel wind turbine tower reach approximately 1250 tons of carbon dioxide. Instead, an equivalent wooden tower emits 90% less, around 125 tons of carbon dioxide .
“This is the beginning of a new green industry. Using Nordic raw materials and Swedish technology, we can provide climate-neutral wind power for a growing global market.” Says Otto Lundman, CEO of Modvion.
Earlier this year, work began on the construction site with the installation of the foundations, and the wind turbine tower is expected to be fully functional before the end of 2023. With this initiative, Modvion stands out as a leader in the search for sustainable and profitable solutions in the field of renewable energy.
Source and photo: https://ecoinventos.com/en-construccion-en-suecia-la-torre-eolica-de-madera-mas-alta-del-mundo/
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