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$ SAVINGS FOR PORCH/EXTERIOR LIGHTS - REPLACE INCANDESCENT BULBS WITH ENERGY-EFFICIENT TOTAL SPECTRUM BULBS
Household of 4 persons			* Annual cost per watt rounded to the nearest cent
Calculation based on cost of $ .10 per kilowatt hr.	# of bulbs	Wattage	Bulb Type	Total Watts Used	Usage	Cost per kilowatt hour	Annual cost per watt*	Total annual electric $ cost for porch/exterior lights	$ Savings due to electricity saved Annual savings of $59.13 3 year savings of $177.39
Current incandescent bulbs used	3	** See Below	incandescent	350	6 hr. daily ave. 365 hrs. annually	10 cents	22 cents	$ .22 x 350 watts=$76.65
Replace with Total Spectrum Bulbs	3	" "	total spectrum	79	6 hr. daily ave. 365 hrs. annually	10 cents	22 cents	$ .22 x 79 watts=$17.52
$ Savings due to electricity saved @ $ .10 per kilowatt hr.: Annual savings of $59.13, 3 year savings of $177.39

Calculation based on cost of $ .15 per kilowatt hr.	# of bulbs	Wattage	Bulb Type	Total Watts Used	Usage	Cost per kilowatt hour	Annual cost per watt*	Total annual electric $ cost for porch/exterior lights	$ Savings due to electricity saved Annual savings of $88.70 3 year savings of $266.10
Current incandescent bulbs used	3	** See Below	incandescent	350	6 hr. daily ave. 365 hrs. annually	15 cents	33 cents	$ .33 x 350 watts=$114.98
Replace with Total Spectrum Bulbs	3	" "	total spectrum	79	6 hr. daily ave. 365 hrs. annually	15 cents	33 cents	$ .33 x 79 watts=$26.28
$ Savings due to electricity saved @ $ .15 per kilowatt hr.: Annual savings of $88.70, 3 year savings of $266.10

Calculation based on cost of $ .25 per kilowatt hr.	# of bulbs	Wattage	Bulb Type	Total Watts Used	Usage	Cost per kilowatt hour	Annual cost per watt*	Total annual electric $ cost for porch/exterior lights	$ Savings due to electricity saved Annual savings of $147.83 3 year savings of $443.49
Current incandescent bulbs used	3	** See Below	incandescent	350	6 hr. daily ave. 365 hrs. annually	25 cents	55 cents	$ .55 x 350 watts=$191.63
Replace with Total Spectrum Bulbs	3	" "	total spectrum	79	6 hr. daily ave. 365 hrs. annually	25 cents	55 cents	$ .55 x 79 watts=$43.80
$ Savings due to electricity saved @ $ .25 per kilowatt hr.: Annual savings of $147.83, 3 year savings of $443.49


	** The following incandescent bulbs are used: 1 - 150 watt floodlight, 2 -100 watt bulb (in porch and lamp post. The following total spectrum bulbs are recommended: 1 - 27 watt weatherproof flooodlight, 2 - 26 watt wet location bulbs.

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