Lighting Industry

NEMA HID Lamp Sales Index Shows Significant Growth for Sodium Vapor Lamps During Second Quarter

Craig DiLouie September 15, 2010

Shipments of sodium vapor high intensity discharge (HID) lamps increased 3.9% to 92.6 in 2010Q2, the highest level in two years. The index reading was 17.1% above the same period last year.

Metal halide HID lamp shipments decreased 4% percent to 82.5 from the previous quarter, but were still 0.5% above the same period last year. The mercury vapor HID index declined 9.5% to 49.2, indicating shipments were less than half of the average 2006 level.

Market shares for sodium vapor and metal halide HID lamp types increased during the quarter. Sodium vapor lamps showed a 35.4% share of sales while metal halide lamps registered a 60.5% share, a slight difference versus the 34.5% and 60.4% figures, respectively, registered in calendar year 2009.

The share of mercury vapor lamps slipped to 4.1% from 4.8 percent during the previous quarter.

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