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HID Lamp Indexes Continue To Slide During Fourth Quarter

03/28/2014 9:00AMSign-up to receive press releases.

NEMA’s shipment indexes for high intensity discharge (HID) lamps continued to decline during 2013Q4. Shipments of sodium vapor lamps fell 5.7 percent on a seasonally adjusted basis compared to the previous quarter. Metal halide lamps contracted for the seventh consecutive quarter declining 3.6 percent on a quarterly basis. Following suit, the index for mercury vapor lamps dipped 5.6 percent. Calendar year 2013 showed decreases of 6.1 percent and 7.0 percent for sodium vapor and metal halide lamps, respectively. Mercury vapor lamps shipments posted an annual decline of 8.9 percent during CY2013.

Market shares for sodium and mercury vapor lamps declined marginally to 32.3 percent and 4.0 percent, respectively. In contrast, metal halide lamps increased during the quarter reaching 63.7 percent.


The National Electrical Manufacturers Association (NEMA) represents nearly 400 electrical, medical imaging, and radiation therapy manufacturers. Our combined industries account for more than 400,000 American jobs and more than 7,000 facilities across the U.S. Domestic production exceeds $117 billion per year. Our industry is at the forefront on electrical safety, reliability, resilience, efficiency, and energy security.

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