Laserfiche WebLink
II.4. Momentary Average Interruption Frequency Index <br />MAIFI is the average number of momentary interruptions a utility customer will experience during a <br />filerie frame. <br />V�natJi$taksiuith a duration of <br />MAIFI is calculated by dividing the total number of customers that experienced momentary <br />interruptions by the total number of customers served by the utility. For example, a utility with <br />20 momentary customer interruptions and 100 customers would have a MAIFI of 0.20. <br />ffl&nbeittacy inrndruCiPtieaYvWmbtancffetdmated <br />outage management system might not log these interruptions; therefore, some utilities have <br />a MAIFI of zero. <br />im§.e MAIFI <br />In interruptions <br />Your utility <br />Utilities that use the eReli <br />Utilities in your region <br />Utilities in your size class <br />All <br />NULL <br />Tracker 0.45 <br />0.7 <br />0.66 <br />Tabte-Sary MAIFI data from the eReliability Tracker <br />In interruptions <br />All <br />Minimum <0.01 <br />First Quartile <0.01 <br />Median 0.06 <br />Third Quartile 0.53 <br />Maximum 5.0 <br />