1킬로와트의 전력을 1시간 동안 사용했을 때의 에너지 양을 나타내는 단위.
A unit of energy equal to one kilowatt of power expended for one hour.
예문:
"The average household consumes approximately 300 kWh of electricity per month."
"Electric car efficiency is often rated by how many miles the vehicle can travel per kWh."