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Vattenfall to Use Modvion Wooden Towers for Onshore Wind Turbines

Power News - Published on Thu, 24 Sep 2020

Image Source: Vattenfall Modvion Wooden Towers
Vattenfall and Modvion have entered into collaboration on using wooden towers for onshore wind turbines, a venture expected to reduce carbon dioxide emissions in manufacturing by at least 25 percent. Vattenfall will be assessing Modvion's wooden tower for potential use in future wind farms. Modvion and Vattenfall have signed a letter of intent to enter into a business development project for evaluating building technology and commercialisation with the aim of supplying wooden towers to Vattenfall. Vattenfall's portfolio has the potential of approximately 5000 MW for projects on land, under development or in the process of being built on its various markets.

Swedish wood technology company Modvion develops demanding designs made of laminated wood, nature's carbon fibre, for large-scale applications. Wooden designs enable radical reductions in emissions by replacing emission-heavy material such as steel and concrete. Modvion Wooden towers are built in modules and assembled on site. The modular concept together with the lower weight of wood, enables higher towers to be built while still using normal roads for transportation. In April, Modvion erected the first wooden tower in Björkö outside Gothenburg, which is 30 metres tall. In 2022, the first commercial tower will be built.

Approximately one quarter of the climate impact that arises when manufacturing wind turbines comes from the tower, normally constructed of steel and sometimes concrete. Going forward, steel will continue to be used in many parts of the wind turbines, but wooden towers can become an important addition. By building towers of wood, the carbon dioxide emissions caused by manufacturing can be radically reduced, while the carbon dioxide absorbed by trees as they grow is also stored in the wooden towers. In addition, certified sustainable wood raw material is used, which means, among other things, that new trees are planted.

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Posted By : Yogender Pancholi on Thu, 24 Sep 2020
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