Vastly more information may be created, collected and analyzed by the smart meters compared to the data generated by dumb meters and gathered by monthly meterreadings.
ZigBee is good for low-speed, low-power transmissions (automated meterreadings, for example), while ultrawideband is ideal for linking up home-entertainment devices, though it is currently mired in a standards war (see article).
When they had rung in with correct meterreadings after receiving estimated bills, EDF's automated system had charged all the additional units - if there were any - at its higher tariff rates following a general price rise.
But by U.S. standards, Utah's pollution index is off the charts with readings routinely exceeding a scale that tops out at 70 micrograms a cubic meter.