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2017 ERMU Outage Causes <br /> Outage Cause Count View <br /> Tree111111 <br /> Squirrel <br /> +�; ......... .w.was <br /> Tree Vehicle Accident 5 <br /> 20% <br /> Electrical Failure <br /> Other lightning 2 a <br /> 33% <br /> Equipment Worn Out 2 4� <br /> Equipment Damage 2 <br /> Unknown/Other 2 <br /> Storm 2 4 <br /> r Squirrel <br /> 13% Contact with Foreign Object 2 <br /> � <br /> Weather 1 4 <br /> [Unknown 1 <br /> c Wildlife 1 <br /> Equipment Damage <br /> 5% 'Equipment s 1 4 <br /> Vehicle Accident 1Contractor-D <br /> Equipment Worn Out 13% t <br /> 5% [Load Swa <br /> Lightning <br /> 5% Electrical Failure f Wind <br /> 8% <br /> Total 40 <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 customers actually experienced in 2017. Overall, our electric <br /> distribution system is robust and our reliability is very high. <br /> ATTACHMENT: <br /> • APPA eReliability Tracker 2017 Annual Benchmarking Report for ERMU <br /> Page 3 of 3 <br /> 203 <br />