OverviewDay-ahead operationHours-ahead operationMinutes-ahead operationControl after disturbanceTime controlSources
Power system operations is a term used in electricity generation to describe the process of decision-making on the timescale from one day (day-ahead operation ) to minutes prior to the power delivery. The term power system control describes actions taken in response to unplanned disturbances (e.g., changes in demand or equipment failures) in order to provide reliable electric supply of acceptable quality. The corresponding engineering branch is called Power System Operations and Control. Electric