How much electricity does a CFL bulb use?
Consequently, how much does it cost to run a light bulb for 24 hours?
So the cost of replacing per 24 hours will be 24x 2/ 1000 or 4800/1000 cents or 4.8 cents. so the total cost in cents is . 24+0.01+ 0.048 = 0.0298 or 29.8 cents. As you see cost calculations depend upon the situation.
Subsequently, question is, how much electricity does a light bulb use? Appliance Electricity Usage
|Appliance||Typical Consumption Per Hour||Cost Per Hour (at 10 cents per kilowatt-hour)|
|Electric range burner||1,000 watts||10 cents|
|Refrigerator||1,000 watts||10 cents|
|Desktop computer and monitor||400 watts||4 cents|
|Incandescent light bulb||60 watts||0.6 cents|
Likewise, are CFL bulbs energy efficient?
CFLs are four times more efficient and last up to 10 times longer than incandescents. A 22 watt CFL has about the same light output as a 100 watt incandescent. CFLs use 50 – 80% less energy than incandescents.
How much electricity does a 25w bulb use?
at 10 cents per KWH, it will cost $22 to run that sucker 24/7 for a year. About 6 cents a day. You can double those numerbs if your electricity is 20 cents per KWH. Remember this is for real watts, not equivalent watts of light.