The book "Laboratory works on the discipline "Economic and mathematical methods and models in energy" for students of specialty 1-27 01" by the authors of Kernoy B. P. and Nagornova V. N. is a unique educational resource that will become an indispensable assistant for students studying economics and mathematics in the context of the energy industry This publication not only deepens the understanding of theoretical aspects, but also offers practical tasks that will help to consolidate the knowledge gained. The book focuses on economic and mathematical methods that play a key role in the analysis and optimization of processes in the energy sector. The authors invite readers to immerse themselves in the world of complex models and algorithms that are used to solve actual problems in this dynamically developing area. Each laboratory work is carefully thought out and structured, which allows students not only to get acquainted with the theory, but also to apply it in practice. As a result, readers will be able to develop the skills necessary for a successful career in the energy sector as well as in related fields. The book will be of interest to students, graduate students and teachers who seek to deepen their knowledge in the field of economic and mathematical methods. It is suitable both for those who are just starting their way in the study of this discipline, and for more experienced specialists who want to refresh their knowledge and skills. Students of technical and economic specialties, as well as anyone interested in modern methods of analysis and optimization in the energy sector, will find in this publication a lot of useful information. The topics raised in the book cover a wide range of issues, including energy system efficiency analysis, cost optimization, and resource management. The authors emphasize the importance of mathematical modeling in managerial decision-making, which makes the book relevant in the face of constant changes in the energy resources market. Readers will be able to learn about current approaches to address challenges related to the sustainable development of energy systems, which is especially important in light of global challenges such as climate change and the need to switch to renewable energy sources. The style of the authors is distinguished by clarity and accessibility, which makes the material easy to perceive.... P. and Nagornov V. N. are known for their scientific works and publications in the field of energy and economics, which gives additional value to their works Their experience and deep understanding of the subject make it possible to create high-quality educational material that will be useful both for self-study and within the educational process. If you are looking for a book that will help you master the economic and mathematical methods in energy, this laboratory work will be an excellent choice. It will not only enrich your knowledge, but also prepare you for the real challenges you will face in your professional life. Do not miss the opportunity to immerse yourself in the world of economic and mathematical models and methods that shape the future of the energy industry.