The SI edition of Grainger’s classic text on Power System Analysis is a new senior undergraduate or first-semester graduate text that offers a complete update of the popular US textbook. Coverage includes an overview of electric utility deregulation through smart grid concepts. This Grainger/Chang edition teaches the fundamental topics of power system analysis accompanied by logical discussions, numerous examples and end-of-chapter review questions. A developed MATLAB GUIDE allows students to work through examples and come to an understanding of the concepts underlying power system analysis.