Question: is kwh the same as kw per hour?
Answer: kW stands for kilowatt. A kilowatt is simply 1,000 watts, which is a measure of power. ... 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.