NEMA’s indexes for high intensity discharge (HID) lamp shipments continued to hover near historical low levels during 2013Q2. The index for mercury vapor lamp shipments continued to track downward, declining by 8.2 percent on a year-over-year (y/y) basis. Likewise, shipments of metal halide lamps fell 6.4 percent y/y, landing at the second lowest level in the series history. Sodium vapor was the lone HID index segment to show improvement. Following four consecutive quarters of y/y declines, the index stabilized during 2013 Q2 by registering a gain of 0.4 percent.
Shifts in in the market shares held by the each lamp type were marginal during the quarter. Sodium vapor lamps increased their share by 0.9 percentage points to 33.2 percent. Shares of mercury vapor and metal halide lamps decreased to 4.2 and 62.6 percent, respectively.
NEMA is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Rosslyn, Virginia. Its 400-plus member companies manufacture a diverse set of products including power transmission and distribution equipment, lighting systems, factory automation and control systems, and medical diagnostic imaging systems. Total U.S. shipments for electroindustry products exceed $100 billion annually.
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