DesignLights Consortium Releases Update to Technical Requirements

The DesignLights Consortium (DLC) released the second draft of its updated Technical Requirements for Horticultural Lighting (Version 2.1). Scheduled to take effect on July 1, the proposed changes would establish Qualified Products List (QPL) eligibility for three additional product types including DC-powered fixtures, externally supplied actively cooled horticultural fixtures and LED replacement lamps. The DLC is proposing changes to specifications related to all three product types in response to stakeholder comments received last fall. Comments on the proposal are due by April 9.

“These changes will support eligibility on our QPL for fixtures that enable greater whole facility energy savings by removing excess heat from the grow environment, while adding eligibility and performance criteria for LED replacements that will facilitate growers’ transition from legacy lighting to highly efficient, horticultural fixtures,” DLC Executive Director and CEO Christina Halfpenny says.

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