Luminaire-level lighting control (LLLC) has attracted significant interest among building owners and utilities as a simple path to maximize energy cost-savings from LED lighting installation. A study conducted by the University of Oregon in Eugene on behalf of the Northwest Energy Efficiency Alliance (NEEA), Portland, Ore., demonstrated that LLLC produced similarly substantial energy savings as a networked lighting control system, but at a lower cost.
The researchers discovered that all these systems produced substantial energy savings compared to the baseline. The LLLC systems generated 50%–74% energy savings for the control element alone, while the NLC redesign demonstrated 67% energy savings. Admittedly, the space was very well suited to LLLC compared to the NLC solution.
Click here to check out my contribution to the April issue of ELECTRICAL CONTRACTOR, which covers the technology and the study.
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