The book "Maintenance of urban electric networks", created by the team of authors, is an important and relevant work that will be of interest not only to specialists in the field of energy, but also to a wide range of readers interested in modern technologies and infrastructure of cities. With the rapid growth of cities and increased electricity consumption, efficient maintenance of electric grids is becoming not just a necessity, but a cornerstone of sustainable urban infrastructure development. This book examines key aspects related to the design, operation and maintenance of electric grids in cities. The authors describe in detail the various technologies and methods used to ensure the reliability and safety of electrical systems. Readers will be able to learn about modern approaches to diagnostics and repair, as well as about the latest achievements in the field of automation and monitoring of electrical networks. The book is filled with practical examples, which makes it not only a theoretical, but also a practical guide for engineers, power engineers and students of technical universities. Special attention is paid to sustainable development and ecology. The authors raise important topics related to minimizing the impact on the environment, introducing renewable energy sources and optimizing resource consumption. In the face of global climate change and growing environmental demands, these aspects are becoming especially relevant for urban power grids. The book will be of interest to a wide range of readers, including students of technical specialties, engineers, specialists in the operation and maintenance of electrical networks, as well as anyone interested in sustainable development and modern technologies in the energy sector. It is suitable for both professionals and those who are just beginning their journey in this area and want to get basic knowledge about the functioning of electrical systems. The style of the authors is characterized by accessibility and clarity of presentation. Each chapter is written according to the needs of the reader, which makes it easy to assimilate complex technical concepts. The team of authors includes experienced practitioners and scientists, which gives the book special value. Their previous work covers a wide range of topics related to energy, and many of them have already become classics in their field. "Maintenance of urban electrical networks" is not just a textbook, but a real encyclopedia of knowledge, which can become a reference book for anyone who wants to deepen their knowledge in the field of electrical systems. Readers interested in topics such as “urban infrastructure”, “energy efficiency”, “renewable energy”, will find in this book a lot of useful information and practical recommendations. If you want to understand the intricacies of maintenance of electrical networks , understand, how modern technologies can help create more sustainable and efficient cities or just look for a source of inspiration for your professional activities , This book will be a great help for you. Do not miss the opportunity to immerse yourself in the world of electrical networks and learn how they can change our future!