Textbook in PDF format This book delves into the evolving landscape of microgrids, offering a comprehensive guide on their design, operation, and integration within modern electrical networks. The subject of this book is microgrids, which are pivotal in the transition toward decentralised, decarbonised, and digitalised energy systems. The book is structured around several practical use cases, detailing the methods and results that will be of particular interest to readers, such as optimisation of power flow, integration of distributed energy resources (DERs), and advanced energy management systems. It features an array of illustrations, tables, and diagrams that enhance the reader's understanding of complex concepts, along with a didactic approach that includes step-by-step guides and case studies of 30 microgrid projects from around the world