6.1g1 ERMUSR 06-04-2024�i
Elk River
Municipal Utilities UTILITIES COMMISSION MEETING
TO:
FROM:
ERMU Commission
Mike Tietz —Technical Services Superintendent
MEETING DATE:
AGENDA ITEM NUMBER:
June 4, 2024
6.1g1
SUBJECT:
Reliability Statistics —
Follow Up from the May Commission Meeting
ACTION REQUESTED:
None
BACKGROUND/DISCUSSION:
Following the presentation of the 2023 Annual Reliability Report at the May Commission
meeting, The Commission asked how ERMU compares in reliability with other electric utilities
around our area. Staff is presenting the following:
Xcel Energy'
ERMUZ
Connexus Energy'
System Average Interruption Duration Index
86 Minutes
14.08 Minutes
26.26 Minutes
Customer Average Interruption Duration Index
101.56 Minutes
84.83 Minutes
89.99 Minutes
System Average Interruption Frequency Index
0.85
0.17
0.29
Average Service Availability Index
99.984%
99.9973%
99.995%
' Utility Excludes Major Events
2 Utility Includes Major Events
Notes:
• Xcel Energy— MN serves 1.34 million electric customers.
• Connexus Energy serves 145,000 electric customers.
• Elk River Municipal Utilities serves 13,543 electric customers.
Staff is able to provide more detailed information for the years 2017-2022 for Minnesota
electric utilities that submitted Form EIA-861 to the U.S. Energy Information Administration. If
any of the commissioners are interested in this spreadsheet, please let me know.
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