Industry News

DLC News - The Solid-State Lighting QPL has fully transitioned to V5.1

Views : 1142
Author : DesignLights Consortium
Update time : 2022-07-04 11:05:00


As of July 1, 2022, the DLC has completed the transition to the newest version of the Solid-State Lighting (SSL) Technical Requirements (V5.1) – a policy designed to increase efficacy and improve quality of light and controllability of qualified fixtures and lamps. Any products that have not been updated to meet V5.1 requirements have been removed from the Qualified Products List (QPL).

The SSL V5.1 update promotes products that maximize energy savings and user benefits by requiring products on the QPL to feature key advances in lighting quality and functionality.

Under the SSL V5.1 requirements, almost all products are now dimmable and must report on integrated controls, which enable strategies to save additional energy. Dimmability is a component for capturing savings beyond those possible with LEDs alone and enabling comfortable light levels for occupants. In addition, performance data must be reported on attributes such as color and discomfort glare based on light distribution, allowing QPL users to better distinguish characteristics needed for selection and installation. By requiring disclosure of integrated controls, the policy makes it easier to identify and select these products.

Since LED luminaires installed today may last for a decade or more, strengthening controllability requirements locks in potential energy and cost savings for years to come. Not doing so can sacrifice these potential savings.

The DLC released two versions of its SSL policy, V5.0 and V5.1, in tandem in February of 2020. V5.1 became effective July 1, 2020. The DLC provided extensions and grace periods for updating products to V5.1 in response to challenges precipitated by the COVID-19 pandemic. Manufacturers had from July, 2020 through April 15, 2022 to submit applications to update their products to keep them on the QPL – a resource utilized by more than 200 energy efficiency incentive programs across the US and Canada. (Manufacturers may submit new V5.1 applications at any time.)

While some energy efficiency programs may offer additional grace periods for incentivizing V5.0 products, all luminaires on the DLC’s SSL QPL are now compliant with V5.1 quality of light requirements, including spectral quality and glare. (Note that V5.0 products will remain viewable on the QPL by searching under “delisted”.).

More information about SSL V5.1, including manufacturer and industry guidance and resources, is available here.



Related News
Read More >>
Designing Effective Lighting Plans with LED Integrated Tubes Designing Effective Lighting Plans with LED Integrated Tubes
Mar .15.2024
Lighting is an essential element in any space, and the type of lighting can greatly impact both the aesthetic and functionality of a room. With advancements in technology, LED integrated tubes have become increasingly popular for their energy efficiency, durability, and versatility. However, designing an effective lighting plan using these tubes requires careful consideration of various factors such as color temperature, layout, and control options. In this blog post, we will delve into the world of LED integrated tubes to understand how they work and explore tips for creating effective lighting plans that enhance your space’s atmosphere while minimizing energy consumption. Whether you are a homeowner looking to upgrade your home's lighting or a designer working on a commercial project, this guide will provide valuable memental perception to help you achieve well-lit spaces with LED integrated tubes.
Enhancing Office and Warehouse Spaces with T8 LED Tubes Enhancing Office and Warehouse Spaces with T8 LED Tubes
Dec .29.2023
Have you ever noticed the stark fluorescent lighting in many office and warehouse spaces? The harshness of the white light coupled with humming noise can lead to an uninviting atmosphere that can take away from productivity. Well, this doesn't have to be a reality anymore. Upgrading your workplace lighting to T8 LED tubes is a simple and cost-effective way to refresh your space while also saving money on energy costs long term. Not only do these fixtures emit warm, inviting light but they also demand significantly less power usage than standard fluorescents or incandescent bulbs - making them perfect for any kind of environment. Read on to discover how this small change can transform your workspace!
The product which can reduce your inventory pressure: Lonyung's 3CCT Adjustable T8 Led Tube have been show up The product which can reduce your inventory pressure: Lonyung's 3CCT Adjustable T8 Led Tube have been show up
Dec .21.2023
Have you ever looking for the LED tube for the office,living room,classroom or stadium but you are tried with the singe color temperature tube?Why not just take a look with our 3CCT Adjustable T8 Led Tube!
Efficiency and Durability: IP65 LED High Bay Lights Efficiency and Durability: IP65 LED High Bay Lights
Dec .19.2023
Are you looking for a lighting solution that is both efficient and durable? IP65 LED High Bay lights are the perfect choice to consider!