All metering devices have individual encryption keys to protect data
from meter to collection unit and from collection unit to server. These
must not be transferred via plain text in emails, USB keys or the like.
Therefore, we have methods for exchanging encryption keys with our
customers in a safe way, so that encryption keys will not fall into the
Storage and decryption of data happen solely behind firewalls and in
the data management system to ensure the data security required by