On February 28, the DesignLights Consortium delisted all products that have not been updated to comply with newer solid-state lighting performance standards from its Qualified Products List (QPL).
The DLC previously postponed the original delisting date of December 31, 2020 (announced with the release of its V5.0 Solid-State Lighting (SSL) Technical Requirements last February) in consideration of market disruption caused by the COVID-19 pandemic. After the new delisting date of February 28, the DLC is allowing products non-compliant with SSL V5.0 to remain searchable using the “Show De-Listed Products” filter on its SSL QPL search page.
Version 5.0 of the SSL Technical Requirements increases the efficacy requirements for QPL-listed products consistent with the pace of technology, without compromising the quality of light. V5.0 includes new dimming requirements for all DLC Premium products– a change designed to increase energy savings by providing a gateway to controls utilization and improved user satisfaction.
The DLC adopted the V5.0 requirements amid recent technology advances and market shifts. As the LED market has matured over the past decade, a drive to reduce production costs in the face of mounting competition tended to sideline the importance of product quality aspects.
By requiring dimming capability for Premium Products on the DLC’s SSL QPL, V5.0 also points the LED market in a more controls-friendly direction. Since LEDs installed now may operate for a decade or more, strengthening controllability requirements (such as dimming and integral controls for daylight and occupancy) at the time of installation locks in potential energy and cost savings for years to come.
