50001s
50001s is a term used in industry to refer to either the set of organizations that hold ISO 50001 certification or to the ISO 50001 standard itself when discussed in the plural. It is commonly encountered in sustainability reporting, supplier qualification, and energy management discussions.
ISO 50001 is an international standard that specifies requirements for an energy management system (EnMS). The
Certification to ISO 50001 typically follows a structured process. Organizations start with an energy review to
In practice, 50001s are often pursued to demonstrate energy governance to customers, investors, regulators, and the
See also: ISO 50001, energy management systems, energy audits (ISO 50002).