DLC NLC Version 5.2 Draft 1 Public Comment Period Closes on May 8, 2026
The DLC welcomes feedback from the lighting and controls community on Draft 1 of the NLC Version 5.2 Technical Requirements.
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Curated news and resources on commercial lighting, energy codes, controls, and utility incentives.
The DLC welcomes feedback from the lighting and controls community on Draft 1 of the NLC Version 5.2 Technical Requirements.
New addenda to ASHRAE 90.1 tighten LPD allowances across several space types, with expanded exceptions for tunable-white and daylight-responsive systems.
As of January 1, 2026, only eligible products with integrated occupancy, dual-sensing, or LLLC sensors will be eligible for Mass Save C&I Instant Lighting Incentives. Exceptions include projects eligible for and managed through the Small Business Turnkey initiative and Municipal customers of the Mass Save Sponsors.
The U.S. Department of Energy (DOE) Solid-State Lighting (SSL) program has updated its LED efficiency targets, aiming to significantly increase energy savings and reduce carbon emissions by 2035.
The latest revision updates guidance for modern workplaces, focusing on LED technology, glare mitigation, and new control systems.