A power company vehicle drives around the neighborhood, collecting the values, storing them and moves on.
Actually, most is collected now via Internet connected reception points typically installed on traffic lights and electrical poles strategically stationed near neighborhoods.
Still you've got RF meters shouting their statistics to everyone.
The Germans would have a fit about that. It's illegal to measure electricity with under 24 hour granularity in Germany and IIRC in Switzerland. And there are really specific rules on what can be measured and how much of the data can be stored in the meter.
Actually, most is collected now via Internet connected reception points typically installed on traffic lights and electrical poles strategically stationed near neighborhoods.