This book design for the emerging Electrical and Electronics engineers and as per the syllabus of fourth semester course of "EE2252 POWER PLANT ENGINEERING" prescribed by Anna University, Chennai. The approach is very systematic and selfexplanatory and the contents are presented in an elegant, comprehensive and lucid fashion with neat diagrams wherever required, so that even the beginners of the subject can have a clear concept on Power Plants, Hydroelectric Power Plants, Nuclear Power Plants, Gas and Diesel Power Plants, and Nonconventional Power Generation. Some of the topics are dealt with elaborately. The units are provided with plenty of review questions and solved problems. The book will surely satisfy the students preparing for the university examinations and preparing wholeheartedly for success in other competitive examinations.