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  • 2 IES Webinar Series
  • 3 IES Career Center
  • 4 IES Manufacturers Directory
  • 5 Street and Area Lighting Conference Register Now
  • 6 IES Bookstore
  • 7 LC Study Group
  • 8 Lighting Workshop Report
  • 9 Roadway Lighting Committee Meeting
  • 10 Annual IESALC Technology Meeting
  • LD+A Latest Issue

    The magazine of the Illuminating Engineering Society

    In This Issue: 2018 IES Illumination Awards, and more...

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  • IES Webinar Series

    Next Webinar: Maintenance in the LED Era

    August 16th, 12:00 EDT
    Rather than being maintenance free, LED requires a change in maintenance practices more akin to stewardship than reactive replacement. Based on RP-36 and other information, this joint IES-NALMCO webinar will provide an overview of effective maintenance practices for indoor and outdoor LED lighting and control systems. Participants to this webinar are eligible for one (1) IES Continuing Education Unit (CEU).

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  • IES Career Center

    IES Career Center offers professional services to help you build and manage your career for maximum potential for success.

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  • IES Manufacturers Directory

    The IES Manufacturers Directory of the Lighting Industry is the database dedicated to lighting professionals, helping them find the products & services they need.

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  • Street and Area Lighting Conference Register Now

    September 30 – October 3

    Hyatt Regency Orlando | 9801 International Drive | Orlando, FL

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  • IES Bookstore

    Digital and Hardcopy Publications

    Browse the latest standards and documents in electronic format from The Lighting Authority.

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  • LC Study Group

    For those already registered to take the 2018 National Council on Qualifications for the Lighting Professions (NCQLP) lighting certification exam, the IES is offering a revised and updated LC Study Group, an online, web-based support program.

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  • Lighting Workshop Report

    Illuminating Engineering Society and Rensselaer Polytechnic Institute Center for Lighting Enabled Systems and Applications Release Workshop Report on Lighting Systems for Healthcare Environments

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  • Roadway Lighting Committee Meeting

    October 3-5, 2018 | Orlando, Florida

    The IES RLC meetings are a great opportunity for outdoor lighting professionals to meet, network and cooperate to develop lighting standards.

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  • Annual IESALC Technology Meeting

    IES Aviation Lighting Committee Meeting

    September 30 – October 4, 2018 at Marriott New Orleans

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IES Lighting Handbook

The IES Lighting Handbook

10th Edition| Reference & Application

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IES Telephones Update

We are currently experiencing issues with our phone system. While we work to rectify this issue, please visit the IES “about us” page to contact staff members via email.

Thank you for you patience.