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�i <br />Elk River <br />Municipal Utilities UTILITIES COMMISSION MEETING <br />TO: <br />FROM: <br />ERMU Commission <br />Mike Tietz —Technical Services Superintendent <br />MEETING DATE: <br />AGENDA ITEM NUMBER: <br />June 4, 2024 <br />6.1g1 <br />SUBJECT: <br />Reliability Statistics — <br />Follow Up from the May Commission Meeting <br />ACTION REQUESTED: <br />None <br />BACKGROUND/DISCUSSION: <br />Following the presentation of the 2023 Annual Reliability Report at the May Commission <br />meeting, The Commission asked how ERMU compares in reliability with other electric utilities <br />around our area. Staff is presenting the following: <br />Xcel Energy' <br />ERMUZ <br />Connexus Energy' <br />System Average Interruption Duration Index <br />86 Minutes <br />14.08 Minutes <br />26.26 Minutes <br />Customer Average Interruption Duration Index <br />101.56 Minutes <br />84.83 Minutes <br />89.99 Minutes <br />System Average Interruption Frequency Index <br />0.85 <br />0.17 <br />0.29 <br />Average Service Availability Index <br />99.984% <br />99.9973% <br />99.995% <br />' Utility Excludes Major Events <br />2 Utility Includes Major Events <br />Notes: <br />• Xcel Energy— MN serves 1.34 million electric customers. <br />• Connexus Energy serves 145,000 electric customers. <br />• Elk River Municipal Utilities serves 13,543 electric customers. <br />Staff is able to provide more detailed information for the years 2017-2022 for Minnesota <br />electric utilities that submitted Form EIA-861 to the U.S. Energy Information Administration. If <br />any of the commissioners are interested in this spreadsheet, please let me know. <br />Page 1 of 1 <br />135 <br />