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LED INFORMATION
COMPARISON CHART
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Information on LED Lighting Products & Energy Saving
Calculator/Comparison Chart
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LED |
FLUORESCENT (CFL) |
INCANDESCENT |
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Life Span (How long will the light bulb last?) |
60,000 hours |
5,000 hours |
1,000 hours |
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Watts Per Bulb (Wattage Equiv. at 60w) |
6 |
14 |
60 |
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Cost Per Bulb in Rupees |
1500 |
200 |
25 |
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KWh of electricity used over 60k hours |
360 |
840 |
3600 |
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Electricity Cost ( @ Rs 4 per KWh ) |
1440 |
3360 |
14400 |
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Bulbs needed for 60k hours of usage |
1 |
12 |
50 |
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Equivalent 60k hour Bulb expense |
1500 |
2400 |
1500 |
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Total cost for 60k hours |
2940 |
5760 |
15900 |
Calculate Your Energy Savings per 60,000 hours and
assume #30 bulbs per establishment
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Total cost for 30 bulbs |
45000 |
72000 |
45000 |
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Total cost for using 30 bulbs for 60K hours |
88200 |
172800 |
477000 |
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Savings by Switching from Incandescent |
388800 |
304200 |
0 |
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Savings by Switching from CFL |
84600 |
0 |
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Information on LED Lighting Products |
LED |
FLUORESCENT (CFL) |
INCANDESCENT |
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Ecology and Environment |
Very Friendly/Min. Issue |
Damaging-Mercury/Argon |
Damaging |
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Heat Issue |
Least |
Ballast Heat |
Largest |
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Light Control |
Most Control |
Least Control |
Variable Control |
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Maintenance |
Zero |
Ballast Issue |
Replacement |
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Weather Temperature Changes |
Not Sensitive |
Sensitive |
Some Sensitive |
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Effective Lumens |
Equivalent |
Equivalent |
Equivalent |
Light Output Equivalent
The following chart shows the wattage required to obtain
the light output equivalent to incandescent light bulbs.
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Incandescent Light Bulbs |
Fluorescent (CFL) |
LED |
Minimum Light Output |
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Watts |
Watts |
Watts |
Lumens |
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40 |
9-13w |
4-5w |
450 |
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60 |
13-15 |
6-8w |
800 |
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75 |
18-25 |
9-13w |
1100 |
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100 |
23-30 |
16-20 |
1600 |
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150 |
30-55 |
25-28 |
2600 |
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Notes: |
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a. Cost of electricity will vary. The figures used
above are for comparison only, and are not exact. |
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b. The cost per bulb for LEDs may vary. We used the
figure of Rs.1500 (for a 6 watt LED) as an average among lighting
retailers. |
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c. Estimates of bulb lifespan are projected, since
it would take about 6 years of continuous lighting to test. Some
manufacturers claim the new LED bulbs will last up to 25 years under
normal household use, but this is not proven. |
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d. Bulb breakage and bulb replacement costs have
not been factored into this comparison chart. Incandescent bulbs and CFL
bulbs are more easily broken than LEDs, which increases their cost of
use. |
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e. Most LEDs come with a minimum 2-year guarantee.
Any defective LED bulb will usually fail within this time. |
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