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DLC Releases Updated Networked Lighting Controls Technical Requirements

William Attardi on June 29, 2026

Reinforcing the role of lighting controls as the foundation for deeper energy savings through connected commercial lighting, the DesignLights Consortium (DLC) today finalized updates to its Networked Lighting Controls (NLC) Technical Requirements. NLC systems that apply for and meet the requirements are listed on the NLC Qualified Products List (NLC QPL), which is used by industry stakeholders to select and verify high-quality NLC systems. The NLC QPL is the only list of its kind that provides extensive, verified information on interoperability, cybersecurity, and data access for each system. Taking effect August 3, NLC V5.2 reflects feedback received from DLC members and lighting industry stakeholders during a public comment period that followed release of the first draft of the policy in March. For additional context, please see the DLC Blog. The DLC will host two webinars to provide more information on NLC V5.2. The NLC V5.2 Final Release Webinar highlighting key details of the technical requirements will take place on July 8 at 3 PM ET – register here. A second webinar at 1 PM ET on Aug. 3, NLC V5.2 Application Guidance, will focus on implementation of the new policy – register here.

BriteSwitch – Commercial Lighting Controls: A Growing Rebate Opportunity

William Attardi on April 22, 2026

Traditional controls fit well within prescriptive rebate programs because they are relatively easy to define, verify, and explain. For decades, programs have offered incentives for adding components such as fixture-mounted occupancy sensors, and these incentives are not going away. In fact, incentives for traditional lighting controls increased by 12–20% this year, depending on the measure. In addition to traditional controls, more advanced lighting control systems have gained prominence in recent years. These systems are typically more intelligent, allowing devices to communicate and respond dynamically to changing conditions. Rebates for advanced systems like NLC and LLLC have historically been more complex. While most programs provide incentives for these systems, the structure varies widely. Some offer incentives through custom programs based on projected kWh savings. Others provide per-fixture adders or separate line items based on control type. RebatePro for Lighting by BriteSwitch is designed to help contractors and distributors identify the best rebate opportunities, estimate incentives for specific projects, and stay current as programs continue to evolve across the US and Canada. Commercial Lighting Controls: A Growing Rebate Opportunity

Memo: Clarifications to the NLC 2020 Report – 2025 update

William Attardi on February 22, 2025

 “Energy Savings from Networked Lighting Control (NLC) Systems With and Without LLLC”  Key updates include refined clarification of the definition of luminaire-level lighting controls (LLLC) used in the report, elaborated explanations on several important aspects of the control savings factors (CSFs), and distinguishing the calculation methodology between high-end trim savings and other control strategies (occupancy sensing and daylight harvesting). The memo emphasizes that the documented CSFs reflect average savings across a diverse set of projects, where optimal programming varied, and highlights considerations for small sample bias in evaluations. Building-specific CSFs and their limitations are explained, and the memo differentiates findings from a related redesign study to avoid misinterpretation. Lastly, an updated executive summary and errata sheet correct clerical errors, reaffirming that NLC systems with LLLC offer higher energy savings potential but encouraging ongoing updates as technology and datasets evolve.

Interesting: The Three Pillars of Independence of an Organization

The 3 Pillars of Independence most commonly refers to a framework from the UK voluntary sector (specifically promoted by organizations like Bond and the Directory of Social Change). It is a toolkit for assessing and maintaining the independence of charities, NGOs, or civil society organizations.

The Three Pillars are:

  1. Independent of Party Politics – The organization (or regulator) must remain free from bias or influence by any political party or the government of the day. Decisions should be impartial, not favoring one political side.
  2. Independent of Populism – It should not be swayed by popular public opinion, media-driven campaigns, or transient public pressure, especially on controversial or unpopular causes.
  3. Independent of the Press – Freedom from media influence or pressure, ensuring decisions are based on evidence and law rather than headlines or public narratives.

This toolkit was created to monitor potential political encroachment on charitable regulation and to ensure charities can operate without undue external interference.

 

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