![]() When energy savings during certain periods are desired, some meters may measure demand, the maximum use of power in some interval. They are usually read once each billing period. ![]() They are typically calibrated in billing units, the most common one being the kilowatt hour ( kWh). North American domestic electronic electricity meterĪn electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device.Įlectric meter or energy meter measures the total power consumed over a time interval.Įlectric utilities use electric meters installed at customers' premises for billing and monitoring purposes.
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