Founded in 1906, the Illuminating Engineering Society (IES) is the global authority on illumination. We offer professional development, publications, and standards to lighting experts worldwide, …

The IES is dedicated to improving the lighted environment by bringing together those with lighting knowledge, and by translating that knowledge into actions that benefit the public.

The IES Lighting Library Standards Collection Discover IES Standards through our cloud-based platform Our standards library is unique in the lighting industry because of our attention to …

About the IES The Lighting Authority Established in 1906, the Illuminating Engineering Society is the recognized technical and educational authority on illumination. Our mission is to improve …

The IES has an active calendar that includes multiple opportunities to network and socialize with industry peers. Browse educational courses as well as various society and section events.

in Anaheim, California, 21-23 August 2025 for IES’ annual conference, IES25: The Lighting Conference, the preeminent conference for all things lighting, from research to design to …

The IES offers a variety of grants and scholarships designed to support professionals and students in the lighting industry. These financial resources help foster the development of the …

The Illuminating Engineering Society (IES) is the technical authority on illumination who caters to all lighting professionals. The IES, a non-profit membership organization, sets out to improve …

The Minneapolis/St. Paul section of IES advances the art and science of lighting through education, standards, and community engagement.

The IES is committed to providing lighting professionals with resources and tools that support your efforts to enhance your lighting knowledge, work more efficiently and stay updated on the very …