A form of energy It expresses the ability of an electrical source to carry out useful work or generate heat; for example, this energy can be used to drive an electrical motor and carry out some mechanical work, or to generate heat with an electrical heater The electrical energy is usually expressed in units of watt-hour, symbol: "Wh"
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)
energy attainable by the flow of electric charge by way of a conductor; electricity
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) Some ways of buying/supplying energy are
Energy resulting from the force between two objects having the physical property of charge