What bdo you mean by plant uptime term?

Plant uptime is also known as production performance. It gives the productivity ratio of the plant. Plant Uptime is a process or production performance measure or KPI which is used extensively in many industries as an alternative or together with plant downtime . It is sometimes preferred to plant downtime because it incorporates all the possible downtime causes both scheduled and unscheduled therefore representing the time that the plant is actually up and running producing value added goods for customers.