Trends in High-Bay Lighting


Traditionally, high-intensity discharge (HID) lamps dominated this large market, which saw significant displacement in retrofits based on high-output linear fluorescent. In recent years, manufacturers rolled out led high bayluminaires that promise high energy savings compared to both options, along with other significant advantages such as superior life and controllability.

The U.S. Department of Energy (DoE) estimated led high bay penetration at less than 10 percent of the overall installed industrial lighting base in 2016 (up from 6 percent in 2015), indicating a sizable estimated retrofit opportunity of 82.4 million high- and low-bay luminaires. In new construction, the big drivers are energy codes and energy-saving opportunities, while in retrofit, the big drivers are utility rebates supporting led high bay, particularly premium efficiency luminaires and controls, along with regulations that are restricting available of less-efficient lamps and ballasts.


“In terms of performance, led high bay are leading the way for all indoor fixtures,” said Eric Meadows, Global Product Manager Industrial LED, Current by GE. “Several years ago, I don’t think you’d really be able to claim that led high bay fixtures could compete with T5 fluorescent lamps, and really the industry was primarily targeting 250/400W HID products for LED replacement. Today, we are absolutely going after the most efficient fluorescent technologies in retrofit as well as new construction and having incredible success due to the price-performance combination available today.”

Meadows added that typical led high bay are generating about 50 percent energy cost savings compared to HID and 30-40 percent against fluorescent. Premium-performance options offered by the top-tier manufacturers are going even further, saving 70-80 percent over HID and 55 percent over fluorescent. The best-performing products, he pointed out, are edging close to LED technology’s theoretical maximum efficiency in a practical application. As of September 2017, the most efficacious product listed in DoE’s Lighting Facts database was a 108W high-bay luminaire emitting more than 22,000 lumens, led high bay resulting in an efficacy of 210 lumens/W.

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