LED A-line lamp shipments have decreased 8.1 percent in Q1 2017 compared to Q4 2016. However, LED A-line lamps continued a year-over-year climb increasing 4.7 percent compared to Q1 2016. Incandescent and halogen shipments posted a quarter-to-quarter decrease in Q1 2017 compared to Q4 2016, 14.9 percent, and 24.8 percent respectively. CFL lamps posted a quarter-to-quarter increase of 18.5 percent. Incandescent, halogen, and CFL lamp shipments all decreased in a year-over-year comparison of Q1 2017 to Q1 2016 decreasing 5.7 percent, 12.4 percent, and 39.9 percent respectively.
Halogen A-line lamps account for 45.1 percent of the consumer lamp market, followed by LED A-line lamps which account for 32.0 percent. CFLs and incandescent split the remaining Q1 2017 consumer lamp market accounting for 13.3 and 9.6 percent respectively. Incandescent A-line lamps largely consist of 15W and 25W lamps.