CEM, which stands for Certified Energy Manager®, recognizes individuals who have demonstrated high levels of experience, competence, proficiency, and ethical fitness in the energy management profession. Each CEM candidate must meet one of the following criteria. A four-year engineering degree and/or P.E., with at least three years experience in energy engineering or energy management.<br>A four-year business or related degree, with at least five years experience in energy engineering or energy management.<br>A two-year technical degree, with eight years experience in energy engineering or energy management.<br>Ten years or more verified experience in energy engineering or energy management.