Reef LED Aquarium Light Calculator

	A	B	C	E
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2	Aquarium Electricity Calculator
3	Use this calculator to help determine how much money you currently spend to run and maintain your existing aquarium lights and compare that with what it would cost to convert your lights to LED. LED light fixtures can have a relatively high up front cost, but they also generate cost savings through reduced consumtion of electricity and eliminating the need to replace bulbs annually. Enter the values in the input section and the spreadsheet will provide your calculations in the Output section. Please do not type anything in the output section.
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5		Input
6	How much electricity do you use today?	300	input the number of watts for all the lights you intend to replace
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8	How many hours do you run your lights every day?	8	input the number of hours your lights are on each day (1-24 hours)
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10	How much you pay per kilowatt-hour?	0.16	input the cost per kilowatt hour you pay for electricity (in PA I pay around $0.15)	324
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12	How much do you spend on the bulbs every year?	100	input the amount of money you spend on bulbs yeach year
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14	How much LED fixture costs	150	input the cost of the LED fixture you are considering
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16	How many watts is the LED consumption?	250	input the number of watts required to run that LED fixture from the manufacturer specifications	135
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18		Output
19	Do not enter any values into the table below. The results will populate automatically based on your entries above
20	The annual cost of the current lights (lamps + electricity)	$240.16
21	The annual cost of LED lamps	$116.80
22	Annual savings by switching to LEDs	$123.36
23	Switching to LED lights will pay for themselves in	1.22	This is the number of years until you recover the initial payment to buy the LED lights
24	Savings for life by switching to LED	$1,962.33	Assumes the LED lights last 50,000 hours
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