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2008 Electric Outage Report <br />Page 3 of 3 <br />Another statistic staff gets concerned about is the average length of any outage. <br />ERMU's 2008 average length of outage is 99.3 minutes. Last year the average length <br />of outage was 68.8 minutes. Electric utilities with a high percentage of underground <br />facilities will exhibit higher length of outage time than electric utilities with more <br />overhead facilities. <br />Staff has reviewed these statistics in detail to find ways to improve. These statistics are <br />very good compared to other utilities. While other utility stats are difficult to obtain, <br />these are some typical numbers we have found: <br />MN Power Ottertail Xcel Connexus (2003 ERMU <br />SAIDI 143 min 115 to 70 min 153 to 99 min 45 min 17.3 min <br />SAIFI 1.2 2.1 to 1.25 1.36 to .96 .56 .618 <br />CAIDI 120 min 59 to 55 min 112 to 99 min 80 min 28 min <br />