Question: what is the difference between watts and kilowatt hours?
Answer: Watt is the unit of power whereas kilowatt-hour (kWh) is the unit of energy. Watt indicates the rate of using energy in J/s. ... If you have a Light bulb that has a rating of 100 watt, it means that the light bulb consumes 100 J per second. kWh is the unit of energy.