Edwin GroothuisWhen the lights flicker in my house, I got to the AusGrid outages website.
First minute: Nothing.
Second minute: a bit a red blob, 10 sites affected.
Third minute: a large blob, 2108 sites affected.
Poul-Henning KampSmart-meters typically share just a couple of kbit/s bandwidth on their local radial (= The cable to the nearest transformer).
Given that there is also packet loss, it is almost amazing that they can poll all
the meters and get a full picture of the situation in a matter of minutes.