This textbook is designed for senior students of B.Tech. in Electrical/Mechanical Engineering and first-year students of M.Tech. in Energy Management. The book will also be useful for MBA courses on Energy Management conducted by some universities through distance education mode.

The book also offers comprehensive study material for the certification examination for certified energy auditor of Bureau of Energy Efficiency, Government of India and for some industrial training programmes in the industry.

The book provides an exhaustive discussion of the energy analysis methodologies and tools to optimize the utilization of energy and how to enhance efficiency during conversion of energy from one form to another. It illustrates the energy analysis methods used in factories, transportation systems and buildings highlighting the various forms of use. It discusses the thermodynamic principles of energy conversion and constitution of energy balance equation for such systems.

The book examines the energy costs in our everyday life in terms of energy inputs in food cultivation. It also discusses similar energy costs of using fuels, other goods and services in our daily life.