Norman LEDs - LED Savings

Cost Savings Calculator for LED Retrofit Lamps
Current Bulb/Fixture Wattage (W) :
Current Bulb/Fixture Unit Cost ($) :
Utility Rate ($) :
Lifetime of Current Bulbs/Fixtures (hours):
Number of Bulbs/Fixtures Currently In Use :
LED Replacement Wattage (W) :
Unit Cost of LED Lamps ($) :
Number of New LED Bulbs/Fixtures Used :
Lifetime of LED Lamps (hours) :
Average Hours of Daily Use (hours) :
* Labor Cost For Replacement Per Bulb ($) : Electrician $/hour divided by how many bulbs changed per hour.
Saving Results

Increased Investment for LED Lamps ($): (LED lamp cost minus current lamp/fixture cost)
Current Electric Cost Per Month ($):
Electric Cost Using LEDs Per Month ($):
Energy Saving Per Month ($):
Total Energy Savings On Investment ($):
Total Bulb Replacement Cost Savings ($):
Labor Cost Savings On Changing Bulb($) :
Payback In Months
Total Savings Using LED Lamps($):

Case Study: Retail Store

PAR-38 LED Conversion

Current Bulb Wattage - 120 Watts
Number of Bulbs Replaced - 1000
Current Bulb Unit Cost - $8.50
Utility Rate - $0.14
Lifetime of current incandescent bulbs - 3,000 Hours
LED Lamp Wattage - 27 Watts
Lifetime of LED Lamps - 50,000
Average daily usage - 12/Hours

Current electric cost per month - $6048.00
Utility cost per month using LED Lamps - $1360.80
Energy saving per month - $4687.20
Energy saving per year - $56,246.40
Total energy savings over lifetime of LED Lamps - $564,500.00
Total bulb replacement cost savings - $127,500.00

Total savings using LED Lamps - $692,000.00
LED Lamp cost payback - 12 Months

Case Study: Restaurant Lighting

PAR-30 LED Conversion

Current Bulb Wattage - 75 Watts
Number of Bulbs Replaced - 80
Current Bulb Unit Cost - $6.50
Utility Rate - $0.14
Lifetime of current incandescent bulbs - 3,000 Hours
LED Lamp Wattage - 15 Watts
Lifetime of LED Lamps - 50,000
Average daily usage - 14/Hours

Current electric cost per month - $352.80
Utility cost per month using LED Lamps - $70.56
Energy saving per month - $282.24
Energy saving per year - $3386.88
Total energy savings over lifetime of LED Lamps - $27,800.00
Total bulb replacement cost savings - $7800.00

Total savings using LED Lamps - $35,600.00
LED Lamp cost payback - 12 Months

Case Study: Industrial Lighting

High Bay 10/30 Series LED Conversion

Current Bulb/Fixture Wattage - 450 Watts w/ballast
Number of Bulbs Replaced - 75
Current Bulb Unit Cost - $30.00
Utility Rate - $0.12
Lifetime of current HID bulbs - 20,000 Hours
LED Lamp Wattage - 120 Watts (actual wattage 110W)
Lifetime of LED Lamps - 50,000
Average daily usage - 14/Hours

Current electric cost per month - $1701.00
Utility cost per month using LED Lamps - $415.80
Energy saving per month - $1285.20
Energy saving per year - $15,422.40
Total energy savings over lifetime of LED Lamps - $118,875.00
Total bulb replacement cost savings - $4,500.00

Total savings using LED Lamps - $123,375.00
LED Lamp cost payback - 27 Months