Plant Capacity is broadly defined as the maximum or optimum level of production or output.
The purpose of the Quarterly Survey of Plant Capacity Utilization (QPC) is to provide statistics on the rates of capacity utilization for the U.S. manufacturing and publishing sectors on a quarterly basis. The survey is conducted jointly by the U.S. Census Bureau, the Federal Reserve Board and the Department of Defense.
The Quarterly Plant Capacity Utilization Survey collects the plant's actual production, the estimated value of production at full production capability, and the estimated value of production at emergency production capability. It also collects data on work patterns by shift including number of days and hours worked, and number of production workers.
We calculate rates of capacity utilization in U.S. manufacturing and publishing plants. An industry's full utilization rate is the ratio of actual value of production to the level of production at full production capability. A similar ratio is created for emergency production capability.
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