Media Center: About the DLC
The DLC is a non-profit organization improving energy efficiency, lighting quality, and the human experience in the built environment. We collaborate with utilities, energy efficiency programs, manufacturers, lighting designers, building owners, and government entities to create rigorous criteria for lighting performance that keeps up with the pace of technology. Together, we’re creating solutions for a better future with better lighting.
Our mission is to achieve energy optimization by enabling controllability with a focus on quality, people, and the environment. The DLC’s many initiatives include three Qualified Products Lists for energy efficient lighting technology: Solid-State Lighting, Networked Lighting Controls (NLC), and Horticultural Lighting. We also offer an extensive library of resources, research, and tools that help accelerate the adoption of energy efficient, quality lighting solutions.
This resource, which summarizes research commissioned by the DLC and conducted by Skumatz Economic Research Associates, Inc. (SERA), identifies non-energy benefits (NEBs) specific to NLC usage and develops a methodology for assigning them quantitative values.
Journal Article: Specifying non-white light sources in outdoor applications to reduce light pollution
This journal article, originally published in Leukos on January 5, 2023, proposes a specification structure for amber light sources to increase the precision of language used in the industry, and encourages lighting standards development organizations to consider standardizing such a system. It also demonstrates that non-white light sources with well-defined chromaticity ranges outside of the ANSI C78.377-2017 quadrangles may be useful for reducing wasted light that causes sky glow, a phenomenon that is associated with approximately $7 billion in wasted energy and nearly 66 million metric tons of CO2 emissions annually.
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Logo Usage & Guidelines
The DLC Program Logo is intended for use by:
- DLC Members
To indicate membership in the DLC Program on DLC Member webpages.
- Lighting Testing Laboratories
To indicate available product testing services necessary for manufacturers to submit an application to the DLC QPL. Laboratories must meet the DLC accreditation requirement to display the logo. The DLC Logos and Trademarks may not be displayed in test reports or be used in a manner that implies the DLC endorsement of a laboratory or its services.
Addition use of the DLC Program Logo will be assessed on a case-by-case basis. Please contact firstname.lastname@example.org.