In the 1980s, automatic meter reading was used for monitoring loads from large customers, and evolved into the Advanced Metering Infrastructure of the 1990s, whose meters could store how electricity was used at different times of the day.
Tokom osamdesetih godina, automatsko čitanje metara korišćeno je za praćenje potrošnje od strane velikih kupaca, i razvilo se u naprednu infrastrukturu merenja devedesetih godina prošlog veka, čiji brojnici mogu da skladište kako se električna energija koristila u različito doba dana.