Question

What is difference between kilowatt and kilowatt hour

Answer 1

A kilowatt hour (kWh) is a measure of energy. So a 1,000 watt drill needs 1,000 watts (1 kW) of power to make it work, and uses 1 kWh of energy in an hour. That's why, if you leave a TV or computer on standby, it is still using power and creating a kWh cost on your energy bill.

Answer 2

Kilowatt is the unit of Power whereas Kilowatt hour is the commercial unit of energy.

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