This 4 week self-directed (self-paced) distance education course imparts participants with tips, tricks and best practices to set up energy models using RETScreen®, while providing the necessary background knowledge on energy efficiency. Various energy technologies (e.g. lighting, motors, variable speed drives, pumps, compressed air, etc) will be covered, supplemented with exercises and examples to familiarize participants with using RETScreen's energy efficiency modules. The course targets professionals (engineers, architects, technologists, planners, facility managers) involved in project due diligence, project appraisal, electric utilities, energy policy analysis, and feasibility studies. Participants who pass the course's 4 exams with a minimum 70% overall average will receive a Certificate of Completion from the Clean Energy Institute of GPEKS.