CTE is an experimented engineering office for structural calculation based in Mulhouse (France) with subsidiaries in Germany and Brazil. This year its presence on the wind energy market became reinforced also thanks to a new office in Brittany (western France) which has been added to the “wind turbines department” .Created in the month of March, it especially aims to meet the requirements of the numerous clients in France and Germany. The know-how for static calculations of foundations includes also the calculation of fatigue and finite elements, in accordance with the known regulations for wind turbines like GL and DIBt, and also adapted to the French norms.