Introduction to Smart Grids -- Elements of Power Systems for Networking Practitioners -- Elements of Communication Networking for Power Systems Practitioners -- Conventional Applications in Utility Operations -- Smart Grid Applications -- A Communication Network Architecture for the Smart Grid -- An Overview of Smart Grid Network Design Process -- Network Security -- WAN and FAN Technologies for the Smart Grid -- Smart Grid Data Management -- Communication Network Transformation -- Future of Smart Grid Communication Networks -- Icons Used in Figures -- Smart Grid Characterization -- Fourier Analysis -- Voice over IP and Quality of Service.