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Shutdown, Turnaround, and Outage (STO)

Shutdown, Turnaround, and Outage (STO) is a term used in maintenance operations and management to refer to the planned interruption of operations for the purpose of maintenance, repairs, or upgrades. STO is typically used in industrial settings, such as power plants, refineries, and manufacturing facilities. During an STO, operations are stopped and the facility is shut down for a period of time, allowing maintenance personnel to perform necessary repairs and upgrades. STO is also known as plant shutdown, plant turnaround, or plant outage. STO is an important part of a facility's maintenance strategy, as it allows for the safe and efficient completion of maintenance tasks.