1.6 ERMUSR 04-12-2022UTILITIES COMMISSION MEETING
TO:FROM:
ERMU Commission Mike Tietz– Technical Services Superintendent
MEETING DATE: AGENDA ITEM NUMBER:
April12, 2022 1.6
SUBJECT:
APPACertificate of Excellence in Reliability
ACTION REQUESTED:
Receive the APPA Certificate of Excellence in Reliability
BACKGROUND\\DISCUSSION:
The American Public Power Association(APPA)recently honored 199public power utilities with
a Certificate of Excellencein Reliabilityfor reliable performance. These utilities have
significantly outperformed the electric industry nationwide averages as gathered by the Energy
Information Administration. APPA collected data from nearly 520 public power utilities that
track their reliability data via the eReliability Tracker. Of those utilities, 270 were considered to
have sound data that was included in the 2021 Annual Benchmarking Report.
The tracker performs calculations for System Average Interruption Duration Index (SAIDI) which
measures the average outage time per customer on the system, System Average Interruption
Frequency Index (SAIFI) which measures how often a customer on our system could expect to
experience an outage, and Customer Average Interruption Duration Index (CAIDI) which
measures averaged outage duration of all customers that actually experienced an outage.
The report also includes calculations for Momentary Average Interruption Frequency Index
(MAIFI) and Average Service Availability Index (ASAI) which helps utilities to compare, collect,
categorize, and analyze their outage information.
For 2021, ERMU’s SAIDI was only 18.88 minutes (excluding major events), compared to the
industry average of 136 minutes (excluding major events). In simple terms, averaged out over
our 13,038 electric customers in 2021, each could expect to have a total outage time of about
19 minutes. That is 117 minutes shorter than the national average.
I would like to acknowledge the dedicated employees of Elk River Municipal Utilities for
continuing to provide customers with exceptional electric reliability and supporting ERMU’s
Vision to “Provide exceptional services and value to those we serve” throughout 2021.
ATTACHMENT:
APPA Certificate of Excellence in Reliability 2021
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CHECK REGISTER
March 2022
APPROVED BY:
Paul Bell
John Dietz
Allan Nadeau
Mary Stewart
Matt Westgaard
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