The Case for Wooden Wind Turbines

Modvion, a Swedish start-up, is shaking up the wind power game with the world's tallest wooden wind turbine tower, standing at an impressive 150 meters near Gothenburg. Traditional steel towers are strong but get trickier to handle as they get taller. Modvion's solution? Wooden towers made from easily stackable parts, skipping the heavy reinforcement needed for steel.

These wooden towers, besides being a Scandi design marvel, come with economic perks. They're cost-effective, especially for taller structures, and are shielded from steel price fluctuations. Glue is used to join parts instead of bolts, and a coat of watertight paint keeps them sturdy against the weather.

While Modvion has currently set up wooden towers on land, they think a few tweaks could make them work offshore too. These wooden giants could potentially reach 1,500 meters, although for now, demand hovers around 150-200 meters. 

The green benefits are impressive. Modvion estimates that a 110-meter-tall steel tower emits around 1,250 tonnes of CO2 during its life cycle. Contrast that with a wooden tower, which slashes emissions by a whopping 90% to just 125 tonnes. Even after they retire, wooden towers find new life as strong beams in construction, reducing their overall environmental impact.

Modvion keeps it green by using Scandinavian spruce from responsibly managed forests, ensuring that the trees grow back faster than they're cut down. This not only makes the towers eco-friendly but also lowers emissions from wind power plants by about 30% per unit of energy produced. In a nutshell, Modvion's wooden wind turbine towers are a sustainable game-changer, reducing emissions, promoting eco-friendly practices, and taking us a step closer to achieving net-zero wind power.

SOURCE: Euro News. https://www.euronews.com/green/2023/12/29/can-you-make-a-wind-farm-out-of-wood-meet-the-swedish-start-up-making-clean-energy-even-gr