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A maintenance drone for wind turbine blades
Viva Technology 27/05/2025

A maintenance drone for wind turbine blades

Regular cleaning of the blades of a wind turbine is essential to ensure the quality of the visual inspections carried out each year. The state of cleanliness of the blade can also influence electricity generation performance. It is therefore a very important element in the transition to low-carbon energy.  With an average height of 100 m and blades up to 80 m long, cleaning is a major undertaking, and innovations to facilitate this maintenance are therefore key to promoting the energy transition.    FlyRénov will be presenting its  aerial cleaning solution on the ENGIE stand at Viva Technology from 11 to 14 June.  Anil Narassiguin, Software R&D Director at FlyRénov, answers our questions.  

Our technology is no longer a prototype: it has already been tested in a number of real-life cases, particularly in the wind energy sector.

Taking part in Vivatech alongside ENGIE is a great opportunity for visibility and exchange.

Anil Narassiguin

Could you tell us a bit about your company and what makes it innovative? 

FlyRénov has designed a complete solution for the renovation of facades and roofs, combining a drone specifically designed to operate in constrained environments — typical of the construction industry — and an advanced software suite. Our technology includes pilot assistance modules, autonomous flight capabilities and artificial intelligence algorithms to guarantee safety, precision and efficiency. This integrated hardware and software approach enables us to address access and performance issues that were previously difficult to resolve. 

FlyRénov has been working with ENGIE Green on cleaning wind turbines blades since 2022, first as part of an Energy Challenge supported by ADEME, and then as part of a partnership under the France 2030 label, with the aim of developing an automated solution for cleaning wind turbine blades by drone.

What will you be presenting at Vivatech? 

We will be presenting our aerial cleaning solution, based on the CAP drone, equipped with a high-pressure spraying system. It is no longer a prototype: our technology has already been tested in a number of real-life cases, particularly in the wind energy sector. Visitors will be able to watch videos of the first operational implementations and talk to our team about the next stages of development. 

What do you expect from Viva Technology? 

Taking part in Vivatech alongside ENGIE is a great opportunity for visibility and exchange. Our aim is to raise awareness of our approach at the intersection of robotics, drones and artificial intelligence, while meeting experts from the renovation and energy sectors. 

The aim is to gain a better understanding of the needs in the field so that we can adapt and enhance our technology in a targeted way. 

What’s your next challenge? 

Cleaning onshore wind turbines is already a sizeable technical challenge. Offshore wind turbines, which are larger, more isolated and more exposed to extreme conditions, represent an ambitious new stage in our development, making our mission all the more stimulating. 

What question would you have liked me to ask you? 

"What role will artificial intelligence play in the evolution of your technologies?" 

Artificial intelligence is at the heart of our future development. It will play a key role in two areas: 

  • on the one hand, it will enable the drone to better perceive and understand its environment and the diversity of the surfaces to be treated 
  • secondly, it will assist the remote pilot in decision-making, from the choice of optimal trajectories to the real-time adjustment of treatment actions, for safer and more effective intervention. 


Visit the ENGIE stand (J39) at Porte de Versailles in Paris from 11 to 14 June to meet FlyRénov and discover the innovative solutions that make ENGIE the leader in energy transition.


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