The book opens with a chapter by Juan I. Guerrero, Ph.D., Enrique Personal, Ph.D., Antonio Parejo, Íñigo Monedero, Ph.D., Félix Biscarri, Ph.D., Jesús Biscarri, Ph.D., and Carlos León, Ph.D. discussing a solution for Non-Technical Losses rooted in Big Data Analytics and High Performance Computing. Following this, Juan I. Guerrero, Ph.D., Antonio Parejo, Enrique Personal, Ph.D., Antonio García, and Carlos León, Ph.D. discuss a solution rooted in Web Service Mining to reduce the response time for Smart Grid infrastructures. Alireza Ghasempour examines the scalability of different advanced metering infrastructures, after which Salvador Ruiz-Romero, Antonio Colmenar-Santos, Enrique Rosales Asensio, and Francisco Mur-Pérez present a project which could allow smart devices to identify each other in order to reconnect in case of failure.