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Momentary Average Interruption Frequency Index (MAIFI) <br /> MAIFI is defined as the average number of times a customer on the utility system will experience a <br /> momentary interruption. <br /> In this report, an outage with a duration of less than five minutes is classfied as momentary. The index is <br /> calculated by dividing the total number of momentary customer interruptions by the total number of <br /> customers served by the utility. Momentary outages can be more difficult to track and many smaller <br /> utilities may not have the technology to do so; therefore, some utilities may have a MAIFI of zero. <br /> Table 8 <br /> Average MAIFI for all utilities that use the eReliability Tracker, belong to your region, and are <br /> grouped in your customer size class <br /> Your utility's MAIFI: 0.0001 <br /> Average eReliability Tracker MAIFI 0.376 <br /> Average MAIFI for Utilities Within Your Region 0.5327 <br /> --I <br /> Average MAIFI for Utilities Within Your Customer Size Class 0.44 <br /> Table 9 <br /> Summary statistics of the MAIFI data compiled from the eReliability Tracker <br /> Minimum Value 0 <br /> First Quartile (25th percentile) 0 <br /> Median Quartile (50th percentile) 0 <br /> Third Quartile(75th percentile) 0.0566 <br /> Maximum Value 11.1364 <br /> Figure 6 <br /> Average MAIFI for all utilities that use the eReliability Tracker per region <br /> 0.6 - 0.5327 0.5579 <br /> 0.5204 <br /> 0.5 - 0.4387 0.429 <br /> .I :.: ' <br /> 0.2307 0.202 <br /> 2 0.2 - <br /> 0.1 0.0705 <br /> ' 0.0093 11111 <br /> 1 2 3 4 5 6 7 8 9 <br /> Association Regions <br /> 7 <br /> 100 <br />