The book Energy Economics seeks to provide a thorough review of the fundamental concepts, theories and techniques in energy economics. The book is written in an easily accessible language for readers such as policymakers, researchers, practitioners and students. It covers various topics, including energy demand and supply, energy markets and pricing, energy policy and regulation, energy and the environment, and energy and economic development. The book is organized into six parts, each addressing a distinct aspect of energy economics. The initial part explains the essential concepts and principles of energy economics. Part Two focuses on energy demand, including energy efficiency, drivers of energy demand and energy modeling. Part Three covers energy supply, including the economics of fossil fuels, nuclear energy, and renewable energy. Part Four discusses energy markets and pricing, including energy market structure, energy price formation and energy trading. Part Five covers energy policy and regulation, including energy policy objectives, instruments and regulation. Finally, Part Six examines the links between energy and the environment, including climate change, air pollution and land use. This book aspires to be a useful resource for anyone interested in comprehending the dynamic and intricate energy landscape and the implications of energy production and consumption on the economy and society.