The DLC will be switching to a new application portal for SSL and Hort applications on January 31, 2022. Any SSL and Hort applications that have been created must be submitted by close of business on January 31 in order to complete their review through the old portal. Any applications that remain unsubmitted on February 1 must be recreated in the new portal. There will be no change for NLC applications at this time. Click for more details.

Solid-State Lighting Technical Requirements

Past Technical Requirements Versions

Development of Technical Requirements for the DLC Solid-State Lighting QPL is an ongoing process involving input from Members, stakeholders, and our Technical Committee. The DLC strives to be responsive to the constantly-evolving SSL market and ensure that updates serve the needs and interests of both our Member utilities and our many industry stakeholders equally.

Please see below for an archive of past versions of the DLC Solid-State Lighting Technical Requirements.