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Search the DLC Qualified Products Lists (QPLs) to find verified, high performing LED lighting, horticultural LEDs, and control systems that save energy and meet your specific needs.

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Energy. Quality. Controllability.

The DLC® is an independent non-profit organization that provides decision makers with data and resources on quality lighting, controls, and integrated building systems to reduce energy, carbon, and light pollution. We envision a net zero future where lighting, controls, and integrated building systems enable energy savings, decarbonization, and sustainability for all people and the environment.

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The workplan timeline is a continually-updated implementation plan that provides greater transparency and predictability around DLC development activities and future technical requirements releases.

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SSL Technical Requirements V5.1
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LED Lighting Program

The DLC’s LED Lighting Program is home to the world’s largest verified list of high-performing commercial LED lighting products. Find energy efficient lighting, browse resources related to the QPL or product qualification, and learn how the DLC develops technical requirements that drive the transition to LED lighting.

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Get Clarity on NLC Energy Savings Potentials
January 20, 2025
Attendees of the 2024 DLC Controls Summit Uncover Strategies for Future NLC-HVAC Integrations
October 31, 2024
LUNA

The DLC’s LUNA requirements establish performance criteria for specific categories of outdoor lighting so that lighting decision makers can be confident that their selections save energy AND follow best environmental practices for nighttime lighting.

Overview
Learn
What is LUNA?
Why LUNA?
Responsible Lighting at Night Webinars
Seven Strategies to Minimize Negative Effects of Outdoor Light at Night
For Communities and Local Governments
Outdoor Lighting Ordinances Across North America
LUNA Guidance for Manufacturers
Glossary
Qualify a LUNA Product
Application Process
Level 1 (formerly Single Product) Applications
Level 2 (Formerly Family Grouping) Applications
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Update Products
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LUNA Technical Requirements V1.0
Testing Lab Requirements
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ANNOUNCEMENTS
Lighting the Way: How DLC Standards Drive Energy Savings Across Federal Buildings
December 9, 2024
US General Services Administration Recognizes DLC’s LUNA Program
August 7, 2024
Horticultural Lighting Program

The DLC’s Horticultural Lighting Program is designed to accelerate widespread adoption of energy-saving LED technology in the horticultural lighting sector. With energy consumption from horticultural facilities continuing to grow, we’re creating tools and resources to position controlled environment agriculture as a leader in energy efficiency.

Program Overview
Technical Requirements
Hort Technical Requirements V4.0
Hort Technical Requirements V3.0
Testing Lab Requirements
Hort Surveillance Testing
Glossary
Qualify a Fixture
Application Process
Level 1 (formerly Single Product) Applications
Level 2 (formerly Family Grouping) Applications
Private Label Applications
Update Fixtures
Delisting Requests
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Logo Use Guidelines
Learn
Transition to V4.0
Hort Lighting Resources
Hort FAQs
Past Technical Requirements
Glossary
ANNOUNCEMENTS
DesignLights Consortium Updates its Technical Requirements for LED-Based Horticultural Lighting
March 12, 2025
Hort V4.0 – New Technical Requirements Released
March 12, 2025
Networked Lighting Controls Program

The DLC Networked Lighting Controls Program drives the widespread adoption of networked lighting controls in commercial buildings. In partnership with utilities, energy efficiency programs, and the lighting industry, the DLC is promoting this energy saving technology as the gateway to enable connected buildings that support carbon reduction goals.

Program Overview
Technical Requirements
NLC5.1 Requirements
NLC5 Requirements
System Eligibility & Definitions
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Qualify a System
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What's in Development
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NLC FAQs
Past Technical Requirements
Glossary
ANNOUNCEMENTS
Kickstarting Connected Lighting in Energy Efficiency Programs: New DLC Playbook
January 29, 2025
Get Clarity on NLC Energy Savings Potentials
January 20, 2025
Resources
The DLC Resource Hub

Commercial lighting is constantly evolving – and it can be hard to keep up. Access the DLC’s cutting-edge industry programming, reports, and research to train your organization on the latest commercial lighting best practices.

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Latest announcements
Hort V4.0 – New Technical Requirements Released
March 12, 2025
See All News
Perspectives
Kickstarting Connected Lighting in Energy Efficiency Programs: New DLC Playbook
January 29, 2025
Lighting the Way: How DLC Standards Drive Energy Savings Across Federal Buildings
December 9, 2024
Get Updates
Upcoming Events
Hort V4.0 Final Policy Webinar
March 25, 2025 2:00 pm
2024 DLC Controls Summit
On-Demand Webinars / Past Events
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Power in Partnership.

The DLC is a consortium. Whether you are a utility, manufacturer, lighting designer, policy maker, or simply interested in lighting technology – your participation drives our success.

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