Your energy company charges you for each kilowatt-hour kWh or each kilowatt of power in use for one hour. A kilowatt-hour is a basic unit of energy which is equal to power 1000 watts times time hour. The energy E in kilowatt-hour kWh is equal to the power P in kilowatts kW times the time period t in hours hr.
If you have noticed that your electric utility bills have been steadily increasing you can easily figure out how much each of your appliances and other gadgets costs to run.
A 100 watt light bulb uses 01 kilowatts each hour. If you have noticed that your electric utility bills have been steadily increasing you can easily figure out how much each of your appliances and other gadgets costs to run. Multiply kilowatts by the number of hours used to find kilowatt hours. A kilowatt-hour is a basic unit of energy which is equal to power 1000 watts times time hour.