Here in its thoroughly revised fourth edition is a manager's guide to the most important areas of energy cost cutting. Written by three of the most respected energy professionals in the industry, the book examines the fundamental objectives of energy management and illustrates techniques and tools proven effective for achieving results. The authors have included valuable insights and tools for building the skills needed to succeed in the fast changing energy management field. The fourth edition features a new chapter on distributed generation, presenting the basic ideas and operating strategies, as well as covering the most prevalent technologies. Other key topics include energy auditing, rate structures, economic evaluation techniques, lighting efficiency improvement, HVAC optimization, combustion and use of industrial wastes, steam generation and distribution system performance, control systems and computers, energy systems maintenance, process energy management, insulation, renewable energy, and industrial water management.