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.
Update version: DIN EN ISO 50001:2011