3. LIFECYCLE
ASSESSMENT
From February 2012 to
March 2013, the US
Department of Energy
conducted a three-part
comprehensive LCA of LED
lightbulbs as compared to
incandescent bulbs and
compact fluorescent bulbs.
4. H O W D O E S I T C O M PA R E ?
Incandescent Bulbs
1000 hours
Compact Fluorescent
5000 hours
15,000 hours
LED Light Bulbs
0
4000
8000
12000
16000
5. H O W D O E S I T C O M PA R E ?
Incandescent Bulbs
15 Light Bulbs
Compact Fluorescent
3 Light Bulbs
LED Light Bulbs
1 Light Bulb
0
4000
8000
12000
16000
6. “The use phase of all three types of lamps
accounted for 90 percent of total life-cycle energy”
– U . S . D E PA R T M E N T O F E N E R G Y
7. H O W D O E S I T C O M PA R E ?
Use Phase
Manufacturing
Transportation
Packaging
Incandescent Bulbs
Compact Fluorescent
LED Light Bulbs
0
1250
2500
3750
Mega-Joules per product lifetime
5000
8. H O W D O E S I T C O M PA R E ?
Use Phase
Manufacturing
Incandescent Bulbs
Transportation
Packaging
15 Light Bulbs
Compact Fluorescent
3 Light Bulbs
LED Light Bulbs
1 Light Bulb
0
4500
9000
13500
Mega-Joules per product lifetime
18000
9. “The LED lamp had a significantly lower
environmental impact than the incandescent,
and a slight edge over the CFL.”
– U . S . D E PA R T M E N T O F E N E R G Y
14. HUE
• Wide spectrum of colors
• Control through an app
• Scheduled programming
• 15,000 hours of light
!
• $200 starter kit (3 bulbs)
• $60 for an additional bulb
16. H O W D O E S H U E C O M PA R E ?
Use Phase
Manufacturing
Transportation
Packaging
LED Light Bulbs
Philips Hue (LED)
*based on approximate values
0
2250
4500
6750
Mega-Joules per product lifetime
9000
24. “While the eye is immersed in a world of darkness,
the rods respond and change chemically
to become even more efficient. ”
–IAN O’NEILL (DISCOVERY)
27. “If I go out in the open ocean environment,
virtually anywhere in the world, and I drag a net
from 3,000 feet to the surface, most of the animals
-- in fact, in many places, 80 to 90 percent of the
animals that I bring up in that net -- make light.”
–EDITH WIDDER (TED FELLOW)