Electricity registration with supplier - Assistance with technical data

It certainly depends on the region or the provider whether they even offer corresponding tariffs! And if they do, they are usually not worth it at all!

Good point. Some grid operators or electricity providers still cannot make use of metering concept 8. They do not understand the difference between meter number and market/metering location, even though it has been introduced for almost 4 years. This must definitely be clarified beforehand.