Certified Energy Manager Practice Exam 2026 – All-In-One Guide to Exam Success!

The correct answer is B, which stands for the Illuminating Engineering Society of North America. This organization is a key authority in the field of lighting and illumination. It focuses on the advancement of the lighting profession and the development of standards for lighting design and practice. The IESNA provides valuable resources and guidelines that help professionals in the industry make informed decisions about lighting projects, enhance safety and efficiency, and promote best practices in illumination.

The organization plays a significant role in research and education related to lighting, often collaborating with other entities to provide a platform for knowledge sharing and best practices in lighting engineering. Understanding the role of the IESNA is essential for professionals involved in energy management, as lighting accounts for a significant portion of energy consumption in buildings and other facilities.