Power plant engineering is a textbook designed for the undergraduate Mechanical Engineering students. The book is intended to provide a holistic coverage of the fundamentals, design principles and applications of power plants. It explains the concepts using a right blend of theory, illustrations, examples and exercises. salient features: 1) Complete coverage of the AICTE model curriculum for power plant engineering 2) New chapters on need of energy conversion technologies: an overview, cogeneration-trigeneration-polygeneration, and non-conventional and renewable power generation 3) New or expanded sections on topics such as coal handling, nuclear power plants, radioactive waste and their disposal, steam generators, etc. 4) numerous new solved examples and chapter-end exercises, graded based on difficulty levels 5) questions based on GATE and other competitive examinations 6) rich online learning Resources.