ISO 50001-2011 Energy Management System
ISO 50001:2011 specifies requirements for establishing, implementing, maintaining and improving an energy management system, whose objective is to enable an organization to follow a organized approach in achieving continual improvement of energy performance, including energy efficiency, energy use and consumption. ISO 50001:2011 specifies requirements applicable to energy use and consumption, including measurement, documentation and reporting, design and procurement practices for equipment, systems, processes and personnel that contribute to energy performance.