In December 2011 the standard DIN EN ISO 50001:2011 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.
The Revision, the DIN EN ISO 50001:2018 contains the HLS structure and requires comlieance with ISO 50003:2014 (Ausgabe 11-2016).