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UTILITIES COMMISSION MEETING <br />TO:FROM: <br />ERMU Commission Mike Tietz– Technical Services Superintendent <br />MEETING DATE: AGENDA ITEM NUMBER: <br />April12, 2022 1.6 <br />SUBJECT: <br />APPACertificate of Excellence in Reliability <br />ACTION REQUESTED: <br />Receive the APPA Certificate of Excellence in Reliability <br />BACKGROUND\\DISCUSSION: <br />The American Public Power Association(APPA)recently honored 199public power utilities with <br />a Certificate of Excellencein Reliabilityfor reliable performance. These utilities have <br />significantly outperformed the electric industry nationwide averages as gathered by the Energy <br />Information Administration. APPA collected data from nearly 520 public power utilities that <br />track their reliability data via the eReliability Tracker. Of those utilities, 270 were considered to <br />have sound data that was included in the 2021 Annual Benchmarking Report. <br /> <br />The tracker performs calculations for System Average Interruption Duration Index (SAIDI) which <br />measures the average outage time per customer on the system, System Average Interruption <br />Frequency Index (SAIFI) which measures how often a customer on our system could expect to <br />experience an outage, and Customer Average Interruption Duration Index (CAIDI) which <br />measures averaged outage duration of all customers that actually experienced an outage. <br />The report also includes calculations for Momentary Average Interruption Frequency Index <br />(MAIFI) and Average Service Availability Index (ASAI) which helps utilities to compare, collect, <br />categorize, and analyze their outage information. <br /> <br />For 2021, ERMU’s SAIDI was only 18.88 minutes (excluding major events), compared to the <br />industry average of 136 minutes (excluding major events). In simple terms, averaged out over <br />our 13,038 electric customers in 2021, each could expect to have a total outage time of about <br />19 minutes. That is 117 minutes shorter than the national average. <br /> <br />I would like to acknowledge the dedicated employees of Elk River Municipal Utilities for <br />continuing to provide customers with exceptional electric reliability and supporting ERMU’s <br />Vision to “Provide exceptional services and value to those we serve” throughout 2021. <br /> <br />ATTACHMENT: <br /> APPA Certificate of Excellence in Reliability 2021 <br />______________________________________________________________________________ <br />Page 1 of 1 <br />6 <br />