Our project is articulated in two stages : The first is devoted to the training of teachers on renewable energies and the maintenance quality in the school-business relationship. The working language will be English. Meeting with the companies developing in renewable energies and energetics efficienty and more particularly in solar, will allow appropriation of codes and the quality of exchanges with the company. Building the workshop around how to communicate with the company for students. The educational visits in workshop in energetics efficienty companies. The second will allow students to benefit from the training of their teachers in the first year. They can benefit from practical work and visits around energy efficiency and the relationship between schools and companies.