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Early Bird discounted registration rates are now available for the IES25 Lighting Conference. Take advantage of the lowest hotel rates too!

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IES25 The Lighting Conference | Registration now open
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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.

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LightFair 2025 presented by Light + Building | Expert-led Accredited Education, Design innovations on Display and Lighting Community Networking | Experience the future of lighting | May 4-8 Conference | May 6-8 Exhibition | Las Vegas, Nevada | Register Today!
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Partnering with the IES25 conference provides a myriad of benefits for companies seeking to enhance their visibility and engage with industry leaders.

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Standards

IES Illuminance Selector

Design your projects to IES/ANSI recommended light levels faster than ever though the Illuminance Selector

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The Illuminance Selector | How much light do I need?
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IES Sustaining Membership is for companies, institutions, and other organizations regardless of staff size or operational budget.

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Upcoming
April 3, 2025 12:00 pm 1:00 pm

Computer Vision-based Machine Learning for Lighting Infrastructure

Learn how computer vision-based machine learning is incorporated into lighting infrastructure. This webinar will address collecting and curating data, training and optimizing models, and inferring a model in common applications.…

Upcoming
April 16, 2025 12:00 pm 1:30 pm

Why Diversity Matters: The Business Case for Diversity, Equity, + Inclusion

As we enter a new landscape with tremendous pushback on years of Diversity, Equity and Inclusion strategies, Business Of Light and the Illuminating Engineering Society invite you to join us…

Upcoming
May 4, 2025

LightFair 2025

Welcome to North America’s largest event for the Lighting Industry. Leading the Next Generation of Illumination! Join the ultimate platform for the lighting community, May 4 – 8, 2025 at…

Featured Event

LightFair 2025 presented by Light + Building | Expert-led Accredited Education, Design innovations on Display and Lighting Community Networking | Experience the future of lighting | May 4-8 Conference | May 6-8 Exhibition | Las Vegas, Nevada | Register Today!

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

LD+A is for professionals involved in the art, science, study, manufacture, teaching & implementation of lighting.
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Sightlines

Bridging the Gap Seeking accessible lighting design tools There was one thing my high school art teacher took great pleasure in repeatedly saying to me, often as I was struggling…
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The LEEDcertified, mixeduse WestStar Tower emerges as a new landmark on the El Paso, TX, skyline. | Photos: Patrick Coulie Photography.

Ad In”fin”itum

WestStar Tower features a seamless visual flow The WestStar Tower in El Paso, TX, marks a significant milestone as the first newly constructed skyscraper in the city in 40 years.…
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Project in Pictures: Almost Outside, A New Type of Eau de Parfum

Fragrance and beauty flagship store, Tamburins Seongsu, in Seongsu-dong, South Korea, serves shoppers a multitude for the senses. Soft illumination designed by EONSLD pours  out of the unique glass-box building,…
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