means and capability of electricity to do work , measured in Watt and commonly expressed in kiloWatt-hours (or in MegaWatt -hours or in GigaWatt -hours)
As commonly used in the electric utility industry, electric energy is measured in kilowatt-hours.
Available heat in electricity; one kilowatt hour equals 3,412.97 Btu.
The amount of work accomplished by electrical power, usually measured in kilowatt-hours (kWh). One kWh is 1,000 Watts and is equal to 3,413 Btu.
the generation or use of electric power by a device over a period of time, expressed in kilowatt-hours (kWh), megawatt-hours (MWh), or gigawatt-hours (GWh).
Power delivered over a period of time; commonly measured in kilowatt-hours (kWhs)