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Staff reviews these statistics in detail to find ways to continually improve our system. These <br /> statistics are very good compared to other utilities. Birds and animals caused the greatest <br /> number of outages. Birds and animals resulted in 38.60% of our outage incidents, and <br /> contributed to 36.24% of total outage time. Outages resulting from branches and/or trees make <br /> up 7.02% of our outage incidents and contribute to 2.18% of our outage time. This low <br /> percentage is a reflection of the good tree trimming our crews do during the winter. Overall, <br /> weather related outages account for 12.28% of the incidents and 4.49% of our outage time. <br /> Many investor owned and cooperative run utilities "storm normalize" their reliability numbers <br /> by removing "major outages" due to storms from their reliability index number calculations. <br /> Our reliability numbers have not been storm normalized. Our numbers reflect these major <br /> outages and represent what our customer actually experienced in 2012. Overall, our electric <br /> distribution system is robust and our reliability is very high. <br /> ACTION REQUESTED: <br /> No action is required. <br /> ATTACHMENTS: <br /> • SAIFI, SAIDI, and CAIDI Interruption Frequency <br /> • Number of Outages By Cause <br /> • Outage Minutes By Cause <br /> • Number of Outages by Month/Year <br /> ■'l �' Page 3 of 3 P O M 1 R t 0 a r <br /> �NATURE <br /> Reliable Public' <br /> Power Provider POWERED To SERVE <br />