Around the subject Energy Management are various terms such as "Energy Management", "Energy Controling" and "Energy Monitoring". An exact definition is difficult as there exist different definitions of terms and on the other hand the defintion of the terms are quite abstract.
Definitions for Energy Management in language use have a bandwidth of basic systems for consumption data acquisition (= a piece of hardware) up to complex management processes (all departments within a company and related processes, standards, technologies, etc.).
Related to the term "Energy Management" are the words "Energy Monitoring" and "Energy Controlling ". Sometimes these are defined as a subset and/or data source for an Energy Management. Whereby "Energy Monitoring" focuses mostly on the acquisition of data, with "Energy Controlling" the analysis is usually more in focus.