Context of the organization – ISO 50001:2018 - Energy Management Systems
ISO 50001:2018 - Energy Management Systems 4.4: Energy management system
In line with the requirements of this standard, set up, put into operation, keep up and keep improving an EnMS, covering the processes it needs and how they interact, and keep improving energy performance; which processes are needed varies with size, activities, complexity and competence.
This control maps to 11 controls across 10 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.