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Final Version of DesignLights Consortium’s New Technical Requirements for LED Lighting Released

William Attardi on November 4, 2025

The SSL V6.0 and LUNA V2.0 Technical Requirements are now combined in a single set of technical requirements and scheduled to take effect in January.

Key updates to SSL V6.0 include:

  • A major revision to the DLC Premium product classification for luminaires with higher efficacy thresholds and more rigorous requirements for controllability, expanding the classification to further enable incentives for advanced controls and integrated building systems.
  • Provisions to drive wider adoption of controls through compatibility-based product selection from the SSL and Networked Lighting Controls (NLC) QPLs.
  • Expanded SSL QPL eligibility to support sustainability, lighting innovation and flexible installation practices.
  • Clear criteria and improved documentation for manufacturers and specifiers.

Overall, the new technical requirements for LED lighting maintain an average increased efficacy threshold across all DLC qualified product types of 14 percent (with some product efficacy increases as high as 19 percent). At the same time, recognizing that efficacy must accompany quality to support long-term energy savings and user satisfaction, SSL V6.0 includes efficacy allowances for products that meet higher quality of light thresholds in terms of features such color rendition and glare control. Full details of SSL V6.0 and LUNA V2.0 are available the DLC’s website 

DesignLights Consortium Opens Comment Period for Second Draft of Technical Requirements for LED Lighting: SSL V6.0 & LUNA V2.0

William Attardi on July 28, 2025

The DesignLights Consortium (DLC) today released the second draft of major updates to its Solid-State Lighting (SSL) technical requirements for indoor and outdoor non-residential LED lighting, as well as revisions to LUNA, a dark sky solution. Draft 2 will have a six-week comment period through September 5.  Reviewers can provide feedback via email to comments@designlights.org using the comment form. The final policy will be released in early November. Other changes in Draft 2 reflect feedback the DLC received from stakeholders relative to clarifying various aspects of the technical requirements. These changes are meant to streamline the qualification process for manufacturers while advancing the essential goals of SSL V6.0 and LUNA V2.0. Full details of all proposed revisions are available on the DLC’s website.

That’s one small step for man, one giant leap for mankind – The last time human beings headed moonward was on the Apollo 17 flight that launched Dec. 7, 1972—before any of the Artemis II crew members were born. Today’s crew will not land on the moon—they won’t even orbit the moon. But they will whip around the lunar far side, on a shakedown mission test-flying the Orion spacecraft. This is essential preparatory work for achieving NASA’s bigger lunar goals. Next year there will be another test flight in low Earth orbit during the flight of Artemis III, followed by up to two moon landings by Artemis IV and V in 2028, and annual landings thereafter. Unlike the Apollo program, Artemis aims not just for the so-called flags-and-footprints model of short, one- to three-day stays on the moon, but for a long-term presence at a long-term moon base in the south lunar pole, where deposits of ice can provide drinkable water, breathable oxygen, and oxygen-hydrogen rocket fuel. Very much like the Apollo program, Artemis finds itself in a closely watched moon race, not with the old Soviet Union this time, but with China, which has announced its intention to have astronauts on the moon by 2030. The U.S. is not going it alone this time, however. While Apollo was an entirely American enterprise, Artemis flies under the flag of 60 countries, signatories to the Artemis Accords, an international pact whose members vow to support the peaceful exploration of space and contribute money, modules, and astronauts to the Artemis cause. Artemis II Has Launched. Here’s Everything You Need to Know