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number of occurrences for each group of 1,000 customers. A customer -weighted <br />occurrence rate of "1" means an average of one outage from that cause occurred per <br />1,000 customers in 2022. <br />Note that the sustained outage cause analysis is more comprehensive than the <br />momentary outage cause analysis due to a larger and more robust sample size for <br />sustained outages. Regardless, tracking both sustained and momentary outages helps <br />utilities understand and reduce outages. To successfully use the outage information <br />tracked by your utility, it is imperative to classify and record outages in detail. The <br />more information provided per outage, the more conclusive and practical your analyses <br />will be. <br />16 <br />IM <br />