In a milestone for the wind industry, German manufacturer Voodin Blade Technology has completed the world’s first installation of laminated wood (LVL) blades on an existing turbine in Breuna, Germany . The 19.3 meter blades represent a significant step forward towards sustainability in wind energy.
Wooden shovels as an ecological alternative
This achievement marks a radical change in the industry, replacing traditional composite materials with a more environmentally friendly alternative. Laminated wood allows for more effective recycling of decommissioned blades, and also facilitates a highly automated and flexible manufacturing process.
Despite the rapid growth of wind energy , challenges remain on its path to full sustainability. The inadequate arrangement of the blades of today’s wind turbines represents a considerable environmental problem. With a typical life cycle of 20 to 25 years, more sustainable solutions are required to ensure continued long-term wind energy production.
The use of laminated timber (LVL) as a material is more sustainable than current materials and allows noticeably better recycling of decommissioned blades , a high level of automation (not possible with current materials) and greater flexibility.
Sustainability challenges in wind energy
Wind energy is a renewable and sustainable energy source, but there are still obstacles to overcome to make it as sustainable as possible. This energy is growing at a rapid pace and plays a key role in helping countries avoid fossil-based energy. However, while up to 90% of wind turbines are recyclable, blades are currently not . Today, these blades are made of fiberglass and carbon fiber bonded with epoxy resin, a material that is difficult and expensive to decompose.
It is important to mention that the usual life cycle of wind turbine blades is 20 to 25 years . As the first generation of blades approaches the end of their useful life, new, more sustainable turbine blade solutions are needed to ensure sustainable wind energy production in the future.
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Source: elperiodicodelaenergia.com
Photo: Shutterstock
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