• 1 Annual Conference Register Now
  • 2 Street and Area Lighting Conference Register Now
  • 3 Annual IESALC Technology Meeting
  • 4 The Richard Kelly Grant
  • 5 Lighting Workshop Report
  • 6 IES Webinar Series
  • 7 IES Manufacturers Directory
  • 8 LD+A Latest Issue
  • 9 IES Career Center
  • 10 IES Bookstore
  • Annual Conference Register Now

    Register now for lowest pricing

    August 9-11 | Boston
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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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  • Annual IESALC Technology Meeting

    IES Aviation Lighting Committee Meeting

    September 30 – October 4, 2018 at Marriott New Orleans

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  • The Richard Kelly Grant

    To recognize and encourage creative thought and activity in the use of light. Cash award(s) will be granted to the person(s) who preserve and carry forth Richard Kelly’s ideals, enthusiasm and reverence for light.

    Submissions close June 30

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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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  • IES Webinar Series

    Next Webinar: TM-30 in 2018 and Beyond: Guidance for Improving Color Quality

    June 14th, 12:00 EST
    This presentation will cover updates to TM-30-18, and how ongoing research is providing knowledge that allows for improved color quality. It will discuss where TM-30 stands within the North American and international lighting communities, and demonstrate new features that may be added over time Participants to this webinar are eligible for one (1) IES Continuing Education Unit (CEU).

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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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  • LD+A Latest Issue

    The magazine of the Illuminating Engineering Society

    In This Issue: Connected Lighting: Ideas for getting it right; Delivering Deep Data; Realistic Regulations; Healthcare's Potential, and more...

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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 Bookstore

    Digital and Hardcopy Publications

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

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IES Lighting Handbook

The IES Lighting Handbook

10th Edition| Reference & Application

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