This seven-chapter publication was designed to assist administrators, architects, and engineers in understanding the functions of microprocessor-based energy management systems. The information provided can be used by these individuals to develop an energy management project, select the proper system, and accurately install the system to fit specific user needs. The chapters are: "Commitment and Need" by Charles Braswell; (2) "System Planning" by Carl Fulp and Don Holberg; (3) "System Design" by Laird Sloan; (4) "Types of Control Systems" by Dale DeHart; (5) "Sources and Costs" by Carl Fulp; (6) "Purchasing Procedures" by David Lane; and (7) "Selling the Energy Management System" by Charles Braswell. Lists of major suppliers of energy management systems and of microprocessor supplies are provided in appendices. (JN)