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30% more energy than wind turbines ― Meet the ‘Skybrator’ and wait for the result

by Beatriz T.
July 13, 2025
in Energy
wind turbine

Credits: Vortex Bladeless

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Have you ever thought about having a bladeless wind turbine? Well, we know that this may sound almost like a joke, but this is what the evolution of the search for renewable energy sources is giving us. While conventional wind turbines dominate the landscape in many countries, this Spanish technology is challenging the paradigms of the sector… We are talking about the Skybrator, which has a cylindrical shape and vibrating movement. It was created by the startup Vortex Bladeless and could represent a new frontier for wind energy, promising to be more efficient, quieter, cheaper, and less invasive than traditional wind turbines.

A wind turbine without blades

Yes, you read that right at the beginning, the Skybrator has no rotating blades, gears, or shafts. In green, it uses a vertical oscillation system induced by the passage of wind around a cylinder fixed to a base. There is a name for this phenomenon, see? It is known as vortex shedding. It makes the cylinder vibrate, and these vibrations are converted into electricity through an alternator located at the base of the equipment.

In fact, it is a known physical principle, but still little explored for energy generation. The highlight of Vortex Bladeless’ innovation is precisely in adapting this movement to a simple, resistant, and efficient structure. This is because the equipment can be manufactured with fewer components, requires little or no maintenance, and does not need to be adjusted to the direction of the wind.

In addition, it does not emit noise and does not pose a risk to birds, a common criticism of conventional turbines. Its compact design also allows the Skybrator to be installed in urban environments, on rooftops, or in areas where large turbines are impractical, making it a promising candidate for home or microgrid use.

Learn more about Skybrator

Of course, this new turbine is still in the development and testing phase, but all the technology surrounding the Vortex Bladeless presents itself as a complementary alternative to residential solar energy. How so? Well, while solar panels produce energy during the day, the Skybrator can operate more efficiently at night, when wind speeds tend to increase, creating a natural hybrid system of energy self-sufficiency.

Not stopping there, another important difference is the reduced environmental and visual impact. This is because, compared to large wind turbines, which require large areas and generate rejection due to their impact on the landscape, the Skybrator proposal is more friendly and accessible (just like this wind turbine made for homes, which generates unlimited and free energy). Its silent operation and lack of visible rotational movement make it almost imperceptible in urban environments. The most important part is that it does not require lubrication, does not use oils or industrial fluids, and, therefore, has a lower risk of contaminating the soil or local fauna.

It still has many challenges to overcome

Like any invention that thinks outside the box, this technology still needs to overcome technical barriers and market skepticism. Just to give you an idea, since 2015, engineers and experts have been pointing out that real energy efficiency compared to traditional turbines has not yet been proven in broad and diverse scenarios. In addition, the device’s aesthetics have also been the target of jokes on social media, which, although it brings visibility, can divert focus from the real benefits of the innovation.

On the other hand, as not everything is a challenge, the startup has already received recognition from major players, such as the Norwegian state-owned company Equinor, which listed Vortex Bladeless among the 10 most promising startups in the energy sector. It seems that behind the provocative name lies an energy solution that challenges the dominant model of wind turbines, just as this first omnidirectional wind turbine has done.

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