Data Center Energy Efficiency Training The Center of Expertise offers a variety of training opportunities - from on-demand courses, to live webinars, to certification programs. Data Center Energy Practitioner (DCEP) Training The DCEP training program certifies energy practitioners to evaluate the energy status and efficiency opportunities in data centers. Upcoming Webinars and Presentations Discover upcoming live webinars on a range of data center energy efficiency topics. On-Demand Training Explore on-demand training opportunities, including online course series and pre-recorded COE webinars.