The Productive Efficiency (PE), is a OEE variant, which does not consider idle statuses.

This ratio is used to compare the number of failures and preventive process maintenance, without considering idle times because these can be caused by result changes, cleaning, etc.; and this is not always the responsibility of the operators. Therefore, for some companies, PE is a better ratio to evaluate the performance of the operators.

The PE ratio is a quick approximation to measure performance of personnel better than OEE, but for a ratio which is objective and fair for this purpose, please refer to the Activity Ratio.

The most similar ratio in the ISO 22400 standard would be the Net Equipment Effectiveness Index (NEE), although the latter only ignores preparation waits (setup).

Be careful not to confuse this ratio with the concept of Production Efficiency.

NOTE: for more information about idle time, please see: What is a status?