Straight from the horse's mouth:

"With EMS10 Kamstrup offers an efficient and
professional software product for acquiring
metering data from electricity meters...

With EMS10 the power plant will have an effective and
professional tool to read the multitude of customers. The
system is especially designed to effectively read large
amounts of domestic electricity meters connected to a
radio network according to the point-to-multipoint-principle,
i.e. from plant to consumers." (http://www.kamstrup.com/media/586/file.pdf)