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

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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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Call for Presentations

We are now accepting submissions for IES25! We’re on the lookout for dynamic and enthusiastic presenters who can deliver powerful and compelling sessions.

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Call for Presentations

Submissions for consideration for the 2025 IES Street and Area Lighting Conference in New Orleans, LA, are now being accepted through January 30, 2025

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Street & Area Lighting Conference 2025 | Submit to speak!
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Become an IES Member today

Join our community of lighting professionals and enjoy the benefits

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Join us | Become an IES Member today
Standards

IES Illuminance Selector

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

Get Now
The Illuminance Selector | How much light do I need?
Membership

Become a Sustaining Member

IES Sustaining Membership is for companies, institutions, and other organizations regardless of staff size or operational budget.

Learn More
IES Sustaining Memberships | Support us, support the industry
Upcoming
February 27, 2025 12:00 pm 1:00 pm

Artificial intelligence: Tools & Tips for Lighting Professionals

Artificial Intelligence (AI) is growing in its power over our lives and accelerating into the marketplace at unprecedented speed.  It can suck us into endless YouTube videos and social media…

Upcoming
March 20, 2025 12:00 pm 1:00 pm

ANSI/IES RP-47 | Landscape Lighting Synopsis

Join us for an overview of the new ANSI/IES RP-47-23 Recommended Practice: Landscape Lighting.  We will review exterior lighting overall and discuss recommendations for responsible DarkSky friendly landscape lighting, along with…

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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.

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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.

LD+A Online

New Lighting Design in At-Turaif, Saudi Arabia, Celebrates Culture

A 15th-century UNESCO World Heritage site has been illuminated thanks to design by Speirs Major Light Architecture, controls and fixtures from Pharos Architectural Controls, and more than 3,000 linear RGBW…
A Sight For Sore Eyes | 2025 IESNYC Student Lighting Competition | Call for Entries

March 1 Deadline for IESNYC Student Lighting Competition

The annual IES New York City Section competition for students enrolled in design, engineering, or architecture programs at colleges or universities within the city’s five boroughs, and broader state counties…
PNNL | Upgrading Linear Fluorescent Fixtures to LED in Schools

PNNL: Resources for Schools Updating to LED

The most recent edition of the U.S. Department of Energy (DOE) Lighting Market Characterization report illustrates a clear need for LED upgrades among U.S. schools; in response, DOE researchers at…
A streetlight from the Landscape Form's Moment line on the street with a building on the background | Moment line by Landscape Forms

For Lighting That Performs and Inspires, Listen to Nature

Advancements in outdoor lighting technology have revolutionized the way we illuminate spaces, offering unprecedented precision, efficiency, and sustainability. But truly great lighting design goes beyond function—it involves listening to nature…

LIGHTING DESIGN & APPLICATION

LD+A is for professionals involved in the art, science, study, manufacture, teaching & implementation of lighting.
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Jet-Setters: Designers Discuss the Adventure of International Projects

Lighting design is an international art and science, so it’s only natural that many lighting designers become travelers by profession.
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Message: We Care

Effective wayfinding, heavy use of color and human-centric lighting helped create a soothing environment at a Montreal-area school dedicated exclusively to special-needs
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Healthy Choices: A Medical Center Leverages Lighting to Let Kids be Kids

Children’s Hospital & Medical Center, the only dedicated children’s hospital in Nebraska, had outgrown its facility in Omaha and was on...
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New Lighting Design in At-Turaif, Saudi Arabia, Celebrates Culture
Photo Credit: Allen Toft/Martin Professional

New Lighting Design in At-Turaif, Saudi Arabia, Celebrates Culture

A 15th-century UNESCO World Heritage site has been illuminated thanks to design by Speirs Major Light Architecture, controls and fixtures from Pharos Architectural Controls, and more than 3,000 linear RGBW…
Read More

.

A Sight For Sore Eyes | 2025 IESNYC Student Lighting Competition | Call for Entries

March 1 Deadline for IESNYC Student Lighting Competition

The annual IES New York City Section competition for students enrolled in design, engineering, or architecture programs at colleges or universities within the city’s five boroughs, and broader state counties…
Read More

.

PNNL | Upgrading Linear Fluorescent Fixtures to LED in Schools

PNNL: Resources for Schools Updating to LED

The most recent edition of the U.S. Department of Energy (DOE) Lighting Market Characterization report illustrates a clear need for LED upgrades among U.S. schools; in response, DOE researchers at…
Read More

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Thank you for generously supporting our efforts to improve life through quality of light.

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