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Discussing the cost of a kilowatt is nonsensical. If you want to discuss the cost of a unit of electrical energy, Kilowatt-hour makes sense.

Q: If a kilowatt costs 20 cents what does 0.3 kilowatts cost?

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it cost $100 It costs about 2000$ for every kW of output power....... So if you have a plant that has an output of 5mW of energy it will cost you 10 mio. $

Well lets see, 40 watts for 1 hour is equivalent to 0.04 KWh. Average electric costs is roughly 18 cents per KWh so 0.04KWh would cost 0.72 cents ($0.0072).

A typical 15-year-old refrigerator consumed about 1,700 kilowatts of electricity, for an average annual cost of $136 based on a cost of eight cents a kilowatt-hour

First, divide watts by 1000 to get kilowatts: watts / 1000 = kW Then multiply kilowatts by the hours of usage to get kilowatt-hours kW * hours = kWh Finally, multiply kilowatt-hours by the cost per: kWh * (cost per kWh) = cost to operate

Converting 14 watts to kilowatts: 14 watts x (1 kilowatt / 1000 watts) = 0.014 kilowatt. Your energy consumption for one (1) hour is 0.014 kilowatt x 1 hr, this is equal to 0.014 kilowatthour. Cost for energy consumption: 0.014 kilowatthour X (20.52 cents / kilowatthour) : 0.28728 cents only

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It costs about 0.7 cents per kilowatt hour (kWh) of electricity

Because electricity is no sold in kilowatts, it is sold in kilowatt hours.

it cost $100 It costs about 2000$ for every kW of output power....... So if you have a plant that has an output of 5mW of energy it will cost you 10 mio. $

Well lets see, 40 watts for 1 hour is equivalent to 0.04 KWh. Average electric costs is roughly 18 cents per KWh so 0.04KWh would cost 0.72 cents ($0.0072).

Find out from your latest bill from your electricity supplier how much you are paying for a kilowatt-hour. Multiply that charge by 1.38, so if the charge is 20 cents then 20 x 1.38 = 27.6 cents.

That bulb is 100 watts or 0.1 kilowatts so it uses 0.1 kilowatt-hour of energy each hour, which costs about £0.015

A typical 15-year-old refrigerator consumed about 1,700 kilowatts of electricity, for an average annual cost of $136 based on a cost of eight cents a kilowatt-hour

Converting 14 watts to kilowatts: 14 watts x (1 kilowatt / 1000 watts) = 0.014 kilowatt. Your energy consumption for one (1) hour is 0.014 kilowatt x 1 hr, this is equal to 0.014 kilowatthour. Cost for energy consumption: 0.014 kilowatthour X (20.52 cents / kilowatthour) : 0.28728 cents only

First, divide watts by 1000 to get kilowatts: watts / 1000 = kW Then multiply kilowatts by the hours of usage to get kilowatt-hours kW * hours = kWh Finally, multiply kilowatt-hours by the cost per: kWh * (cost per kWh) = cost to operate

Convert the watts to kilowatts, multiply by the time to get the energy (in kWh), then multiply by the rate.

To find out the cost of operating 60 1000watt Metal Halide lamps for 10 hours, you multiply the amount of power (in kilowatts) by time and hours. That will give you kWh (kilowatt hours), then you find out how much your power costs in $/kWh, then divide the kilowatt hours you are using by the cost ($/kWh).

22.8 cents per Kilowatt hour. The national average is about 12 cents.