Horticultural Lighting Listing Fees

Horticultural Lighting Listing Fees

The DLC application fee covers the costs of application review, as well as in developing, creating, and hosting the informational infrastructure of the Horticultural QPL. The specific fee amount is dependent on the particular characteristics of the horticultural fixture, as described in the price table below. Please review the Technical Requirements page to clarify any policy requirements, and contact horticulture@designlights.org with any questions about submitting an application. 

New Product Application Fees

Horticultural Fixture Feature


Single Product and/or Parent Product(s)  
Basic fixture*, with one LED type, one driver, no fan, and no spectral tuning $750
Additional LED type included in fixture (Q90 verification) $115
Additional driver available in fixture (lifetime & efficiency verification) $105
Internal fan included in fixture (lifetime verification) $45
Spectral tuning (per channel flux verification) $125
Child Product  
Each additional family member (child) after the parent $30
A basic fixture does not include any additional features. An advanced product includes at least one of the following:
  • more than one LED
  • more than one driver
  • fans, and/or
  • spectral tuning abilities

Update Application Fees

The DLC will begin accepting V2.0 update applications for V1.2 listed fixtures in August 2021. Please reference the Interim Application Period Guidance for V2.0 for details.


Horticultural update application fees depend on the type of update(s) being made to the product, as described in the Horticultural Update Application Fee Table below. These fees assume a basic fixture, as described in the Horticultural Fixture Feature Table. Additional fees for reviewing additional fixture features beyond what are considered a basic fixture will be the same price as described in the Horticultural Fixture Feature Table above.

Horticultural Update Application


Performance-affecting updates $500
Non-radiometric and/or non-worst-case performance affecting updates $375
Nomenclature updates $0

For additional information about what types of updates are eligible, please refer to the Update a Listed Product instructions.


  • The DLC reserves the right to extend any application review timeframe due to holidays and application volume spikes. These extensions will be communicated via the DLC website and the Application Portal.
  • Closed, canceled, or rejected applications cannot not be reopened - instead, a new application must be created. To avoid having to create a new application, please either provide missing information or documentation within 10 business days of being notified of application issues, or provide an estimated time-frame for submitting the missing information or documentation within 10 business days of being notified of issues.