“Smart” Meters are digital utility meters that send customers’ detailed usage information to the utility using a radio-frequency transmitter (or over the power lines in the case of Powerline Carrier (PLC) systems. The meter also contains other capabilities, such as remote shut-off. They are part of a larger plan to change the electricity grid to a “smart” grid–though there is controversy about whether the customer meter is actually crucial to that change. Electric smart meters are replacing older analog style meters. . .