Energy Savings Calculator for Replacing Light Bulbs
CFL LED
Incandescent Light Bulbs (Compact Fluorescent Light Bulbs) (Light-Emitting Diode Light Bulbs)
Life Span (in hours) 1,500 10,000 60,000
Watts 60 14 6
Cost $1.345 $2.98 $54.95
KWh of electricty used over 60k hours 3,600 840 360
Electricity Cost (@ $0.23 per KWh) $821.72 $191.73 $82.17
Bulbs needed for 60k hours of usage 40 6 1
Equivalent 60k hour bulb expense $53.80 $17.88 $54.95
Total 60,000 Hour Lighting Spend $875.52 $209.61 $137.12
Calculate Your Energy Savings
# of hotel light bulbs 300 300 300
Your estimated daily usage (hours) 5 5 5
Days in month 30 30 30
Hotel savings over 60,000 hours (energy + replacement)
Household cost $262,655.40 $62,884.26 $41,136.54
Savings by switching from Incandescent $0.00 $199,771.14 $221,518.86
Monthly household energy savings
KWh used per month 2,700 630 270
Electricity Cost (@ $0.23 per KWh) $616.29 $143.80 $61.63
Savings by switching from Incandescent $0.00 $472.49 $554.66
Yearly hotel energy savings
KWh used per year 32,850 7,665 3,285
Electricity Cost (@ $0.23 per KWh) $7,498.18 $1,749.57 $749.82
Savings by switching from Incandescent $0.00 $5,748.60 $6,748.36
productdose.com comments:
blue font = input your personal data here KWh = Kilowatt-hours Choose KWh rate type: * 2
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
Calculate Your Monthly Kilowatt-hours
Starting Month
Month of Bill Total Energy Bill Total Kilowatt-Hours Used Average KWh
April 06 $100.00 1,000 0.100
March 06 $100.00 1,000 0.100
February 06 $100.00 1,000 0.100
January 06 $100.00 1,000 0.100
December 05 $100.00 1,000 0.100
November 05 $100.00 1,000 0.100
October 05 $100.00 1,000 0.100
September 05 $100.00 1,000 0.100
August 05 $100.00 1,000 0.100
July 05 $100.00 1,000 0.100
June 05 $100.00 1,000 0.100
May 05 $100.00 1,000 0.100
$1,200.00 12,000 0.100
Put in your own rate: $0.33
productdose.com comments:
blue font = input cells
black font = calculated cells
¹ You can also put in the highest tier rate charged by your utility, figures quoted here are from SC Edison, if you lower your energy
bills, the highest rate will be the first amount to get reduced. And you will see a more dramatic difference in your savings
04/2006
Highest Rate¹
0.329
0.329
0.233
0.195
0.195
0.195
0.219
0.219
0.219
0.218
0.194
0.194
0.228