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kilowatt-hour vs kilowatts per hour

Both "kilowatt-hour" and "kilowatts per hour" are correct, but they are used in different contexts. "Kilowatt-hour" is a unit of energy measurement, representing the amount of energy used over time, while "kilowatts per hour" is a rate of power consumption, indicating the rate at which energy is being used.

Last updated: March 21, 2024 • 990 views

kilowatt-hour

This phrase is correct and commonly used in English as a unit of energy measurement.

Use "kilowatt-hour" when referring to the amount of energy consumed or produced over a period of time. It is commonly used in electricity bills and discussions about energy consumption.

Examples:

This appliance consumes 2 kilowatt-hours of energy per day.
The solar panels generated 500 kilowatt-hours of electricity last month.
The average household uses around 30 kilowatt-hours of electricity per day.

Show examples from the web [+]

The kilowatt hour is a derived unit of energy equal to 3.6 megajoules. If the energy is being transmitted or used at a constant rate (power) over a period of time, ...
The kilowatt hour (kWh) is a unit of energy... The Calorie is a unit of energy... And the joule (J) is a unit of energy... And these aren't the only units of energy ...
One kilowatt-hour of electricity is enough to: - watch television for 10 hours. - vacuum for an hour. - wash 12 pounds of laundry. - cook breakfast for a family of 4.
The kilowatt-hour (symbolized kWh) is a unit of energy equivalent to one kilowatt (1 kW) of power expended for one hour (1 h) of time. The kilowatt-hour is not a ...

Alternatives:

megawatt-hour
gigawatt-hour
terawatt-hour
watt-hour
joule

kilowatts per hour

This phrase is correct but less commonly used in English. It refers to the rate of power consumption, indicating how many kilowatts of power are used in an hour.

Use "kilowatts per hour" when discussing the rate at which power is consumed or produced over time. It is a measure of power, not energy.

Examples:

The generator produces electricity at a rate of 5 kilowatts per hour.
The motor consumes 2 kilowatts per hour during operation.

Show examples from the web [+]

How many kilowatts per hour of power can a 1 MW power plant generate? UpdateCancel. Answer Wiki. 7 Answers. Quora User, cleantech consultant.
February 2, 2009 at 5:42 pm. THIS IS THE ANSWER TO #4 ok. so kWh= kilowatts per hour used. a kilowat is 1000 watts, and a watt is a measurment of power.
Reply. Anonymous says: November 9, 2015 at 9:20 am. It says how much a panel produces but like in what time period? So 200 kilowatts per hour or…?? Reply.
The cost to provide 8 hours of charging at Level 1 is about 14 cents per kilowatt- hour times 1.5 kilowatts per hour times 8 hours or about $1.68. That can be pretty ...

Alternatives:

watts per hour
megawatts per hour
gigawatts per hour
terawatts per hour
joules per hour

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