In reply to member and stakeholder comment , theDesignLights Consortium(DLC ) releaseddraft Technical Requirements for LED - ground Horticultural Lighting : Version 2.1 , bring home the bacon a path for comprehension on the DLC ’s Horticultural Qualified Products List ( QPL ) for three additional ware type . The proposed changes would take result July 1 , 2021 .

“ The draught change we ’re announcing today will patronage QPL making for fixtures that enable bang-up whole facility energy savings by bump off superfluous heat energy from the grow environment , ” DLC Executive Director and CEO Christina Halfpenny said . “ In addition , allowing qualification of LED replacements for linear fluorescent and HID lamps will facilitate indoor growers ’ transition from incumbent sources that rely heavy on lamp replacement to a new standard reliant on efficient , horticultural fixtures . ”

Last month , the DLC finalizedV2.0 of its Horticultural Lighting Technical Requirements , an update that continues the industry transition from traditional kindling data and metric to horticultural - specific lighting data and metric function that good stage horticultural lighting execution . Those changes have an effective engagement of March 31 , 2021 .

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Proposed V2.1 provisions summate DC - powered and externally - supplied actively - cooled mending to the Horticultural Lighting Program supply descriptions of how to test and report on these type of products to control performance corresponding to products list under V2.0 . The policy delineate externally - supplied actively - cool off horticultural fixture as those in which liquidness , often water or a water / glycol solution , flows through input and output ports of each fixture in the system , transfer through a cooling plate or other oestrus exchanger within the regular .

Under V2.1 , two types of LED replacement lamps would also be considered for QPL eligibility : surrogate for linear fluorescent lamp and for power - home in high spirits intensity dismissal ( HID ) lamp . lead replacement lamps for horticultural practical software would want to meet the DLC ’s Horticultural V2.0 stipulation , as well as requisite of their respective DLC Solid - country Lighting programme .

The DLC ’s Horticultural QPL currently contains more than 140 mathematical product , with more being reviewed and added regularly . An increasing number of galvanising utilities rely on the DLC horticultural light specification and QPL in the design of energy efficiency program for commercial cultivators . About a twelve North American utilities now postulate the use of goods and services of QPL production as a requirement for electrical engineering incentives ; many others have incorporated the DLC Technical Requirements into their program while not yet involve usance of products on the QPL . Two states with cannabis - specific energy efficiency regulations offer a abidance pathway that requires use of the DLC ’s Horticultural Lighting QPL . To assist licensee in these states , the DLC ’s Horticultural Lighting QPL offers a hunting filter to find products compliant with these regulations more easy .

For more information : DesignLights Consortium[email   protected]www.designlights.org