The design and the implementation of the program started with primer that renewable energy sources are promising solution to overcome these problems, offering a clean and inexhaustible energy, and simultaneously contributing to energy independence. Moreover, the new Energy Efficiency technologies reduce energy demand by providing economic and environmental benefits. Participation in such a mobility project helped to gain valuable experience and participants important skills that the following objectives: . to recognize the importance of energy storage, . to understand the energy storage growth prospects in the country's system, . to learn about the energy storage technologies and their fields of application, . to develop products and services with respect to storage systems with renewable energy sources, . to realize the importance of lifelong learning to constantly update and enrich their knowledge on energy saving through RES . to work in an environment with different technologies and know-how, . to improve their language skills through knowledge of at least one foreign language that will enable them to monitor more easily to new developments, . to acquire knowledge, skills and qualifications, which will be certified with European recognition and to facilitate their personal development and increase job placement opportunities in Greece or in a foreign country, . to know the culture and the culture of another European country. This draft "APPLICATIONS TO SAVE ENERGY THROUGH RES" related to the mobility of students in vocational education in Electronics and Electrical Engineering sectors of 1o EPAL Loutrakiou. The project involved 40 students, who for a period of 14 days moved to Spain and Germany With Hosts AEMIFESA and UVE. The added value - effects; the project focus on the following: - Developing the European dimension in vocational training and vocational guidance, - The dissemination of the importance of mobility programs and the transfer of European culture in the sending country, - The certification of knowledge and recognition of the Europass mobility, - Awareness of foreign language knowledge importance, - Creating a network for the development of partnerships between training institutions and enterprises.