Energy Savings Calculator for Replacing Light Bulbs

 

 

 

 

 

 

 

Incandescent Light Bulbs

CFL
(Compact Fluorescent Light Bulbs)

LED
(Light-Emitting Diode Light Bulbs)

 

 

 

 

Life Span (in hours)

1,500

10,000

50,000

Watts

300

150

50

Cost

$1.345

$2.98

$54.95

KWh of electricty used over 60k hours

15,000

7,500

2,500

Electricity Cost (@ $0.11 per KWh)

$1,650.00

$825.00

$275.00

Bulbs needed for 60k hours of usage

33

5

1

Equivalent 60k hour bulb expense

$44.39

$14.90

$54.95

Total 60,000 Hour Lighting Spend

$1,694.39

$839.90

$329.95

 

 

 

 

Calculate Your Energy Savings

 

 

 

 

 

 

 

# of light bulbs

30

30

30

Your estimated daily usage (hours)

5

5

5

Days in month

30

30

30

 

 

 

 

Savings over 60,000 hours (energy + replacement)

 

 

Total cost

$50,831.55

$25,197.00

$9,898.50

Savings by switching from Incandescent

$0.00

$25,634.55

$40,933.05

 

 

 

 

Monthly energy savings

 

 

 

KWh used per month

1,350

675

225

Electricity Cost (@ $0.11 per KWh)

$148.50

$74.25

$24.75

Savings by switching from Incandescent

$0.00

$74.25

$123.75

 

 

 

 

Yearly energy savings

 

 

 

KWh used per year

16,425

8,213

2,738

Electricity Cost (@ $0.11 per KWh)

$1,806.75

$903.38

$301.13

Savings by switching from Incandescent

$0.00

$903.38

$1,505.63

 

 

 

 

productdose.com comments:

 

 

 

blue font = input your personal data here

KWh = Kilowatt-hours

Choose KWh rate type: *

3

black font = pre-calculated cells

 

* change the data on the next tab.

1 = Average rate

underlined text = where to buy / product info

 

 

2 = Highest rate

All data from manufacturer as of 5/2/06

 

 

3 = Your own rate

 

 

 

 

 

 
 

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