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HID Lamp Indexes Continue To Slide During Fourth Quarter

03/28/2014 9:00AM

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.


NEMA is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Rosslyn, Virginia. Nearly 400 members strong, its companies manufacture a diverse set of products including power transmission and distribution equipment, lighting systems, factory automation and control systems, and medical  imaging and radiation therapy systems. Total U.S. shipments for electroindustry products exceed $100 billion annually.

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