* Decorative: Halogen <1 Directional: Light-emitting diodes figure includes LED lamp and LED luminaire values Linear fixture: Light-emitting diodes figure includes LED lamp and LED luminaire values; the LED lamp figure is <1 Parking lot: Other <1 Parking garage: Light-emitting diodes figure includes LED lamp and LED luminaire values
The source does not specify why percentage points may not add up to 100 percent.
This statistic represents the U.S. lamp installed base in 2014, with a breakdown by light source technology and application. Incandescent light sources accounted for approximately ** percent of the A-type lamp inventory.
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U.S. Department of Energy. (July 30, 2015). U.S. lamp installed base in 2014, by major application and technology [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 16, 2026, from /statistics/245993/us-lamp-inventory-by-technology/
U.S. Department of Energy. "U.S. lamp installed base in 2014, by major application and technology." Chart. July 30, 2015. ÌÇÐÄÆÆ½â°æ. Accessed July 16, 2026. /statistics/245993/us-lamp-inventory-by-technology/
U.S. Department of Energy. (2015). U.S. lamp installed base in 2014, by major application and technology. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 16, 2026. /statistics/245993/us-lamp-inventory-by-technology/
U.S. Department of Energy. "U.S. Lamp Installed Base in 2014, by Major Application and Technology." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 30 Jul 2015, /statistics/245993/us-lamp-inventory-by-technology/
U.S. Department of Energy, U.S. lamp installed base in 2014, by major application and technology ÌÇÐÄÆÆ½â°æ, /statistics/245993/us-lamp-inventory-by-technology/ (last visited July 16, 2026)
U.S. lamp installed base in 2014, by major application and technology [Graph], U.S. Department of Energy, July 30, 2015. [Online]. Available: /statistics/245993/us-lamp-inventory-by-technology/