Smart meter
Online recorder of utility usage
Smart meter
A smart meter is an electronic device that records information—such as consumption of electric energy, voltage levels, current, and power factor—and communicates the information to the consumer and electricity suppliers. Advanced metering infrastructure (AMI) differs from automatic meter reading (AMR) in that it enables two-way communication between the meter and the supplier.
Read on Wikipedia · Image EVB Energy Ltd (no mention of the photographer required), CC BY-SA 3.0
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