How do we build the resilient, efficient power infrastructure essential for tomorrow's world? This vital resource equips students with the knowledge to navigate the complexities of electrical distribution systems. It thoroughly covers distribution system planning, from fundamental design principles to advanced automation strategies that enhance grid reliability and operational efficiency. Students will gain a deep understanding of varied load characteristics, learning how to analyze their behavior and impact on system performance and demand forecasting. The text also provides practical insights into the application of distribution transformers, detailing their selection, operation, and integration as crucial elements in stepping down voltage for end-users. Master the analytical and design skills necessary to critically assess and innovate within modern power delivery networks.