This document discusses energy management systems and ISO 50001 standards. It begins by stating that the goal of ISO 50001 implementation is to reduce CO2 emissions and energy costs through systematic energy management. It then provides an overview of the expected impact of ISO 50001, various international energy management standards and their history of development. The document discusses the differences between energy audits and implementing an energy management system according to ISO 50001. It concludes by stating that implementing an ISO 50001 compliant energy management system is an optimal long-term solution for meeting EU energy policy requirements.