Fill in the form below to calculate your savings by switching to LED from incandescent, fluorescent or halogen bulbs. Results will show to the right or below depending on the device you are using. Number of existing lights to be replaced bulb(s) Existing lighting specs Wattage: Watts Price per bulb: USD Lifespan:– Select –500 hours600 hours700 hours800 hours900 hours1,000 hours1,250 hours1,500 hours2,000 hours2,500 hours3,000 hours4,000 hours5,000 hours6,000 hours7,000 hours8,000 hours9,000 hours10,000 hours12,500 hours15,000 hours17,500 hours20,000 hours22,500 hours25,000 hours Average Lifespan of incandescent bulb: 750~1,250 hours Average halogen: 2,000~2,500 hours Average fluorescent: 1,000~2,500 hours Average HID: 5,000~24,000 hours LED replacement or retrofit Wattage: Watt(s) Price per bulb: USD Lifespan:– Select –10,000 hours15,000 hours20,000 hours25,000 hours30,000 hours35,000 hours40,000 hours45,000 hours50,000 hours55,000 hours60,000 hours65,000 hours70,000 hours80,000 hours90,000 hours100,000 hours Energy rate: – Select –5¢/kWh5.1¢/kWh5.2¢/kWh5.3¢/kWh5.4¢/kWh5.5¢/kWh5.6¢/kWh5.7¢/kWh5.8¢/kWh5.9¢/kWh6¢/kWh6.1¢/kWh6.2¢/kWh6.3¢/kWh6.4¢/kWh6.5¢/kWh6.6¢/kWh6.7¢/kWh6.8¢/kWh6.9¢/kWh7¢/kWh7.1¢/kWh7.2¢/kWh7.3¢/kWh7.4¢/kWh7.5¢/kWh7.6¢/kWh7.7¢/kWh7.8¢/kWh7.9¢/kWh8¢/kWh8.1¢/kWh8.2¢/kWh8.3¢/kWh8.4¢/kWh8.5¢/kWh8.6¢/kWh8.7¢/kWh8.8¢/kWh8.9¢/kWh9¢/kWh9.1¢/kWh9.2¢/kWh9.3¢/kWh9.4¢/kWh9.5¢/kWh9.6¢/kWh9.7¢/kWh9.8¢/kWh9.9¢/kWh10¢/kWh10.1¢/kWh10.2¢/kWh10.3¢/kWh10.4¢/kWh10.5¢/kWh10.6¢/kWh10.7¢/kWh10.8¢/kWh10.9¢/kWh11¢/kWh11.1¢/kWh11.2¢/kWh11.3¢/kWh11.4¢/kWh11.5¢/kWh11.6¢/kWh11.7¢/kWh11.8¢/kWh11.9¢/kWh12¢/kWh12.1¢/kWh12.2¢/kWh12.3¢/kWh12.4¢/kWh12.5¢/kWh12.6¢/kWh12.7¢/kWh12.8¢/kWh12.9¢/kWh13¢/kWh13.1¢/kWh13.2¢/kWh13.3¢/kWh13.4¢/kWh13.5¢/kWh13.6¢/kWh13.7¢/kWh13.8¢/kWh13.9¢/kWh14¢/kWh14.1¢/kWh14.2¢/kWh14.3¢/kWh14.4¢/kWh14.5¢/kWh14.6¢/kWh14.7¢/kWh14.8¢/kWh14.9¢/kWh15¢/kWh15.1¢/kWh15.2¢/kWh15.3¢/kWh15.4¢/kWh15.5¢/kWh15.6¢/kWh15.7¢/kWh15.8¢/kWh15.9¢/kWh16¢/kWh16.1¢/kWh16.2¢/kWh16.3¢/kWh16.4¢/kWh16.5¢/kWh16.6¢/kWh16.7¢/kWh16.8¢/kWh16.9¢/kWh17¢/kWh17.1¢/kWh17.2¢/kWh17.3¢/kWh17.4¢/kWh17.5¢/kWh17.6¢/kWh17.7¢/kWh17.8¢/kWh17.9¢/kWh18¢/kWh18.1¢/kWh18.2¢/kWh18.3¢/kWh18.4¢/kWh18.5¢/kWh18.6¢/kWh18.7¢/kWh18.8¢/kWh18.9¢/kWh19¢/kWh19.1¢/kWh19.2¢/kWh19.3¢/kWh19.4¢/kWh19.5¢/kWh19.6¢/kWh19.7¢/kWh19.8¢/kWh19.9¢/kWh20¢/kWh20.1¢/kWh20.2¢/kWh20.3¢/kWh20.4¢/kWh20.5¢/kWh20.6¢/kWh20.7¢/kWh20.8¢/kWh20.9¢/kWh21¢/kWh21.1¢/kWh21.2¢/kWh21.3¢/kWh21.4¢/kWh21.5¢/kWh21.6¢/kWh21.7¢/kWh21.8¢/kWh21.9¢/kWh22¢/kWh22.1¢/kWh22.2¢/kWh22.3¢/kWh22.4¢/kWh22.5¢/kWh22.6¢/kWh22.7¢/kWh22.8¢/kWh22.9¢/kWh23¢/kWh23.1¢/kWh23.2¢/kWh23.3¢/kWh23.4¢/kWh23.5¢/kWh23.6¢/kWh23.7¢/kWh23.8¢/kWh23.9¢/kWh24¢/kWh24.1¢/kWh24.2¢/kWh24.3¢/kWh24.4¢/kWh24.5¢/kWh24.6¢/kWh24.7¢/kWh24.8¢/kWh24.9¢/kWh25¢/kWh25.1¢/kWh25.2¢/kWh25.3¢/kWh25.4¢/kWh25.5¢/kWh25.6¢/kWh25.7¢/kWh25.8¢/kWh25.9¢/kWh26¢/kWh26.1¢/kWh26.2¢/kWh26.3¢/kWh26.4¢/kWh26.5¢/kWh26.6¢/kWh26.7¢/kWh26.8¢/kWh26.9¢/kWh27¢/kWh27.1¢/kWh27.2¢/kWh27.3¢/kWh27.4¢/kWh27.5¢/kWh27.6¢/kWh27.7¢/kWh27.8¢/kWh27.9¢/kWh28¢/kWh28.1¢/kWh28.2¢/kWh28.3¢/kWh28.4¢/kWh28.5¢/kWh28.6¢/kWh28.7¢/kWh28.8¢/kWh28.9¢/kWh29¢/kWh29.1¢/kWh29.2¢/kWh29.3¢/kWh29.4¢/kWh29.5¢/kWh29.6¢/kWh29.7¢/kWh29.8¢/kWh29.9¢/kWh30¢/kWh The average retail price of electricity in the U.S in 2013/14 was 10.9¢/kWh. (accd to US Energy Information Administration) Average prices by type of utility customer: Residential: 13.16¢/kWh, Commercial: 11.09¢/kWh, Transportation: 10.54¢/kWh, Industrial: 7.38¢/kWh Hours of operation – Select –1 hour/day2 hours/day3 hours/day4 hours/day5 hours/day6 hours/day7 hours/day8 hours/day9 hours/day10 hours/day11 hours/day12 hours/day13 hours/day14 hours/day15 hours/day16 hours/day17 hours/day18 hours/day19 hours/day20 hours/day21 hours/day22 hours/day23 hours/day24 hours/day Lit 7 days a weekLit 6 days a weekLit 5 days a weekLit 4 days a weekLit 3 days a weekLit 2 days a weekLit 1 day a week Other factors (optional) Maint/Labor cost for relamping: (no labor cost) $1 per bulb$2 per bulb$3 per bulb$4 per bulb$5 per bulb$6 per bulb$7 per bulb$8 per bulb$9 per bulb$10 per bulb$15 per bulb$20 per bulb$25 per bulb$30 per bulb$35 per bulb$40 per bulb$45 per bulb$50 per bulb$55 per bulb$60 per bulb$65 per bulb$70 per bulb$75 per bulb$80 per bulb$85 per bulb$90 per bulb$95 per bulb$100 per bulb$110 per bulb$120 per bulb$130 per bulb$140 per bulb$150 per bulb$160 per bulb$170 per bulb$180 per bulb$190 per bulb$200 per bulb$210 per bulb$220 per bulb$230 per bulb$240 per bulb$250 per bulb Calculate savings Results Number of existing lights to be replaced by LEDs: 1 bulb Existing LED Initial bulb cost $1.00 $50.00 Wattage 75 Watt 9 Watt Electricity cost (10¢/kWh) $32.85 per year $3.94 per year Life span (continuous use) 1,000 hours 30,000 hours Life span when used for12 hours a day, 7 days a week 2 months 22 days 6 years 10 months 5 days Number of times existing lights will be replaced each year 4.38 times – Number of times existing lights will be replaced during the LED bulb’s life span (6 years 10 months 5 days) 30 times – Cost of bulb replacements each year ([light cost] × [Number of replacement per year]) $4.38 – Annual labor cost of existing light replacement ([Labor cost per light] × [Number of replacement per year]) $0.00 per year – Total Annual Cost ([Cost of light replacement] + [Electricity] + [Labor cost]) $37.23 per year $3.94 per year(same as the annual electricity cost) Total Cost (after 6 years 10 months 5 days) $256 $77 Total Savings with LED bulb (after 6 years 10 months 5 days) $256 − $77 = $179 Break-even Point (The amount of time necessary to save as much money as you invested initially) 1 year 5 months 20 days