In December 2011 the standard DIN EN ISO 50001 was worldwide inured and describes the requirements for the Energy Management System of a company. The SKZ has its own qualified energy auditor stuff and is accredited by DAkks. The Energy Management System matters industrial sector and non-industrial sector. The standard objects for to deduce efficient energy acting from identificated aspects of energy in a company. So a company profits economic and stops adverse environmental effect.
A new certification to this standard is no longer carried out in 2020 by the SKZ - Cert GmbH. The transition period for existing customers is 3 years. That means existing certificates must be converted to DIN EN ISO 50001:2018 until August 2021. The SKZ Cert recommends a conversion to the new standard within the recertification. It is also possible convert within the monitoring process.