LED Fixture ROI Calculator

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LED Fixture ROI Calculator

Making the switch to LED lighting?
Answer the following questions on your current lighting usage, plus the LED replacement, to calculate your savings.

Form

Number of fixtures to be replaced units

Old fixture (to be replaced)

Wattage:	Watt
Price per unit:	US$
Lifespan:

Incandescent / Halogen: 1,250 hours
Metal Halide: 6,000 hours
Fluorescent/CFL: 8,000 hours
Pulse Start Metal Halide (PSMH): 15,000 hours
High Pressure Sodium (HPS): 20,000 hours

LED fixture (new fixture)

Wattage:	Watt
Price per unit:	US$
Lifespan:

LED: 50,000 hours

Energy rate (electricity cost)
The average residential price of electricity in the U.S. in 2015 was 12.66¢/kWh.
To find the price per kWh (Kilo Watt hour) for your state and sector, check your energy bill or go to the EIA website.

Hours of operation

Other factors (optional) Labor cost for relamping:

Results Number of light units to be replaced to LED units: 1 unit

	Old fixture	LED fixture
Initial cost	$1.00	$50.00
Wattage	75Watt	9Watt
Electricity cost (12.6¢/kWh)	$41.39 per year	$4.97 per year
Lifespan (continuous use)	1250 hours	50000 hours
Lifespan when used for	3 months 13 days	11 years 4 months 30 days
No. of times an old fixture to be replaced each year	3.50 times per year	-
No. of times an old fixture to be replaced during the LED fixture's lifespan (11 years 4 months 30 days)	40 times	-
Cost of replacements each year ([Incand. bulb cost] X [Number of replacement per year])	$3.50 per year	-
Annual labor cost for ralamping ([Labor cost per relamping] � [Number of replacement per year])	$0.00 per year	-
Total annual cost ([Cost of replacing fixtures] + [Electricity] + [Labor cost])	$44.90 per year	$4.97 per year (same as the annual electricity cost)
Total cost (after 11 years 4 months 30 days)	$513	$106
Total savings /w LED fixture (ROI) (after 11 years 4 months 30 days)	$513 - $106 = $407
Break-even point (per unit) (The amount of time necessary to save as much money as you invested initially)	1 year 2 months 22 days