The book "Investments in power supply systems and energy efficiency of industrial enterprises" by B. A. Anishchenko is a unique publication that will become an indispensable assistant for energy professionals, investment managers, as well as undergraduate and graduate students studying economics and management in the energy sector. In this work, the author deeply analyzes the importance of investments in electricity supply and energy efficiency, emphasizing their importance for the sustainable development of industrial enterprises. The book covers a wide range of topics, ranging from the basics of electricity supply to modern methods of improving energy efficiency. Anishchenko shares his knowledge on how to properly evaluate investment projects in the field of energy, what factors affect their success and how to avoid common mistakes. It focuses on ,. that in the face of rising energy prices and tightening environmental legislation, businesses need to not only upgrade their power supply systems, but also implement innovative solutions, which will help to reduce costs and increase competitiveness. The book will be of interest to both professionals working in the energy industry and those who are just starting their way in this field. Project managers, engineers, economists, and managers will find it helpful advice and practical guidance to help them make informed decisions. Students and graduate students will be able to use the material of the book as a basis for their research and projects, as well as for preparing for exams. The topics raised in the book are relevant and important in light of the current challenges faced by industrial enterprises. Anishchenko considers not only technical aspects, but also economic, social and environmental factors that influence investment decision-making. He emphasizes that effective energy management not only helps to reduce costs, but also improves the company's image, making it more attractive to investors and customers. The author's style is distinguished by clarity and accessibility of presentation, which makes complex technical and economic concepts understandable to a wide audience. In. A. Anishchenko is an experienced specialist in the field of energy, and his knowledge and experience are reflected in every page of the book. He is also the author of other well-known works on energy efficiency and sustainable development, which confirms his expertise in this field. If you are looking for literature that will help you understand investments in power systems and energy efficiency, this book will be an excellent choice. It not only enriches knowledge, but also inspires new ideas and solutions. Readers interested in the topics of sustainable development, innovative technologies and resource management will find in it many useful ideas and practical recommendations. Thus, “Investing in Power Systems and Industrial Energy Efficiency” is not just a book, but a whole guide to the complex but fascinating world of energy and investment. It will help you not only to better understand current trends and challenges, but also to prepare for future changes in this dynamically developing field.