NEMA’s shipment index for incandescent lamps increased for the second consecutive quarter in Q2 2011, showing an improvement of 5.6% over the same period last year. Conversely, the index for compact fluorescent lamps (CFLs) declined for the fifth consecutive quarter. Moreover, the rate of decline in the shipments index accelerated to 18.5% on a year-over-year basis (y/y) versus 16.8% y/y and 8.7% y/y during Q1 2011 and Q4 2010, respectively.
The incandescent lamp share of 80% for the combined incandescent-CFL market is the highest reading since Q4 2007. Weakening demand for CFLs drove down its share of the combined CFL-incandescent market to 20%.