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A relatively new technology, bladeless wind turbines consist of a tower with magnets attached to the top portion. Wind that passes through creates a vortex, which drives an electric generator. These turbines are quieter than horizontal ones, do not disrupt bird wildlife, and promise to be less expensive to maintain thanks to fewer moving parts. Efficiency levels have also been superior to traditional turbines (60% versus the 40%-45% for horizontal turbines). Spanish startup Vortex Bladeless has been at the forefront of development. Aeromine Technologies focuses on rooftop applications for its bladeless wind solution, which can produce energy in a wide range of weather conditions.

bladeless wind turbines

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