Question

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Answer 1

Kilowatt-hour

The kilowatt-hour is a unit of energy equal to 3600 kilojoules. The kilowatt-hour is commonly used as a billing unit for energy delivered to consumers by electric utilities.Wikipedia

Answer 2

Kilowatt Hour ⏩

Electrical energy equivalent to a power consumption of one thousand watts for one hour.

Conversion into Joule ⏩

1kWh = 3600000J = 3.6⋅106J