The International Scientific Conference EPE 2014 (ELECTRIC POWER ENGINEERING) is the 15th conference of this type aimed particularly at problems concerning power engineering in the area of science, research and work experience. Thus, the conference provides the ground for the interchange of valuable information, room for discussion, making contacts and social meetings of industrial, school and research workers. Conference is organized by Brno university of technology, Department of Electrical Power Engineering Faculty of Electrical Engineering and Communication.