The book "Emerging Trends in Electrical, Electronic and Communications Engineering" provides a comprehensive overview of advanced theories and methods in the fields of electrical and electronic engineering, as well as communications and computer engineering. It highlights significant topics of global relevance, including renewable energy, energy systems, mobile communication, security, and the Internet of Things (IoT). The contributions cover current research issues such as smart grids, photovoltaic systems, wireless power transfer, signal processing, and 4G and 5G technologies. Based on the proceedings of the first International Conference on these topics, held in Mauritius in 2016, the book is aimed at students, researchers, and professionals, offering insights into the current state of the art and inspiration for future research projects and collaborations.