System Average Interruption Duration Index (SAIDI)

Benchmarking Report

System Average Interruption Duration Index (SAIDI)

This PDF report includes benchmarking data (in a visual, chart-based format), an comprehensive KPI definition, characteristics of high performers and technical details on measuring System Average Interruption Duration Index (SAIDI). Purchase and download this easy-to-understand, presentation-ready report immediately to compare performance levels, set attainable performance targets, and push towards best-in-class performance for this KPI.


What is System Average Interruption Duration Index (SAIDI)?

The total number of minutes in which a customer's service is interrupted divided by the total number of customers served by the utilities company over the same period of time.

Why should System Average Interruption Duration Index (SAIDI) be measured?

System Average Interruption Duration Index (SAIDI) measures the total amount of time that an average customer experiences service interruption during the measurement period. A relatively high value for this metric is typically related to a few common factors, including excessive breaker or re-closure operations (i.e., scheduled service interruptions that resolve temporary faults in the system), power supply insufficiency, distribution system equipment outages (due to damage, bad weather, faulty equipment, etc.), and outages due to non-payment of the utilities service. SAIDI, in conjunction with SAIFI, CAIDI and MAIFI, are indices used to measure the reliability of a utility company's power system, excessive values of which can lead to poor customer satisfaction and high attrition rates.


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