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, improving …

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 quality, topic …

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 lighted …

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.

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 technology and more—a …

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 next generation of …

IES Street & Area Lighting Conference (SALC) is the number one focused event of it's kind in the industry. Engage with over 900 lighting professionals for 4 days of workshops, technical sessions, …

IES Toronto Section invests in the future of lighting industry through recognizing the need for helping and encouraging new members in joining our lighting community where they can pursue a promising …

IES, The Lighting Authority, LD+A, Leukos, Street and Area Lighting Conference (SALC), Light for Life, and Lighting Library are registered trademarks of the Illuminating Engineering Society.

The IES is the oldest and largest educational and scientific society in North America devoted to lighting. Since 1906, the IES has sought to improve the lighted environment by bringing together those with …