NEMA’s shipment indexes for high intensity discharge (HID) lamps declined on a year-over-year basis (y/y) for the fourth consecutive quarter in 2013Q1. Shipments of sodium vapor lamps decreased 14.1 percent (y/y) to an index reading of 71.2 during the quarter. Mercury vapor lamp shipments were down a similar magnitude at 13 percent (y/y) to 44.2, the third lowest level in the index series. Metal halide lamp shipments fell too, posting an index value of 77.5, a decrease of 9.5 percent (y/y).
Market shares of the three lamp types varied less than 0.5 percent compared to the previous quarter. Sodium vapor lamps gave back 0.4 percentage points securing a share of 31.9 percent. Meanwhile, the shares held by mercury vapor and metal halide lamps increased marginally to 4.5 and 63.6 percent, respectively.
NEMA is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Arlington, Virginia. Its 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. Worldwide annual sales of NEMA-scope products exceed $120 billion.
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