The Certificate of Proficiency in Benchmarking® is a certificate program that recognizes successful completion of online-based training modules and proven minimum competencies in the use of the U.S. Environmental Protection Agency’s ENERGY STAR Portfolio Manager® tool. Across the U.S. there is growing support for benchmarking building energy and water consumption, driven both by local legislation and voluntary interest in understanding and improving building performance. The Certificate of Proficiency in Benchmarking® offers building industry professionals the opportunity to learn how to collect energy and water use information and successfully benchmark most types of buildings.