Register Now!
The IES Street & Area Lighting Conference registration is now open. Take advantage of the Early Bird discount before it ends!
Submit Now!
The 2025 Industry Progress Report is now open for Submissions. Take advantage of the Early Bird discount and save $100!
Register Now
Don’t miss the 2025 edition of LightFair, the largest event for the lighting industry! From innovations to education, it’s your one-stop for all things lighting.
Register Now!
Early Bird discounted registration rates are now available for the IES25 Lighting Conference. Take advantage of the lowest hotel rates too!
Become an IES Member today
Join our community of lighting professionals and enjoy the benefits
IES Illuminance Selector
Design your projects to IES/ANSI recommended light levels faster than ever though the Illuminance Selector
Become a Sustaining Member
IES Sustaining Membership is for companies, institutions, and other organizations regardless of staff size or operational budget.
ANSI/IES LM-85-23 for LED Product Design
With ANSI/IES LM-85-23 Approved Method: Optical and Electrical Measurements of LED Sources, optical measurements are now tied to junction temperature, eliminating a significant error source. LED measurements will now be…
Light for life — Security Symposium 2025
Overview Join us on May 21st for Light For Life®: Security, a one-day virtual symposium focused on the latest research and trends in lighting for security and reassurance, hosted by the…
Glare Affairs: Navigating Nighttime Discomfort with Diverse Models
What is a discomfort glare model, and why do we need one? This webinar will explore the methods used to develop discomfort glare models, the variety of models applied in…
ANSI/IES LM-85-23 for LED Product Design
With ANSI/IES LM-85-23 Approved Method: Optical and Electrical Measurements of LED Sources, optical measurements are now tied to junction temperature, eliminating a significant error source. LED measurements will now be…
Light for life — Security Symposium 2025
Overview Join us on May 21st for Light For Life®: Security, a one-day virtual symposium focused on the latest research and trends in lighting for security and reassurance, hosted by the…
EP Virtual Event | Artificial Intelligence: How It Will Impact Lighting Professionals
Artificial Intelligence (AI)I is accelerating into our lives at unprecedented speed. It can suck us into endless YouTube videos and social media engagement, often with nothing of value to show…
Glare Affairs: Navigating Nighttime Discomfort with Diverse Models
What is a discomfort glare model, and why do we need one? This webinar will explore the methods used to develop discomfort glare models, the variety of models applied in…
The IES is on a mission to improve life through quality of light
Wherever you are in your professional journey, we have the resources to support you.
LIGHTING DESIGN & APPLICATION
Sponsored Content
Experience Architectural and Decorative Lighting at the June 18-21 Lightovation Show in Dallas
.
See Turtles
.
Sightlines
Join Our Mailing List
Thank you for generously supporting our efforts to improve life through quality of light.
