massoutage

County annual report · FIPS 26083

2020 Keweenaw County, MI Power Outage Report

In 2020, customers in Keweenaw County, MI went without power for an average of 18.7 hours, a total of 25K customer-hours (Michigan average 9.8 hours). That ranks 22nd worst of 83 Michigan counties and 462nd of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
18.7
1,356 customers
Customer-hours out
25K
Peak customers out
2,632
Outages ≥1,000 out
5
0 of 10,000+ · 106 total
Longest outage
12h 15m
began September 3, 2020
Rank in state
22nd/83
462nd of 3,019 US

Compared with MI, the US and 2019

Keweenaw County, MI average hours without power per customer compared with state and national averages, 2020Keweenaw County 18.7 hours, Michigan average 9.8 hours, US average 8.7 hours, Keweenaw County, 2019 16.4 hoursKeweenaw CountyKeweenaw County18.7hMichigan averageMichigan average9.8hUS averageUS average8.7hKeweenaw County, 2019Keweenaw County, 201916.4h
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Average hours without power per customer in 2020; last bar is this county in 2019.

Month by month

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Keweenaw County, MI customer-hours without power by month, 2020Jan 4,092, Feb 16, Mar 2,719, Apr 9, May 86, Jun 2,485, Jul 2,599, Aug 141, Sep 2,863, Oct 9,142, Nov 1,160, Dec 2602.5k5k7.5k10k4,092Jan16Feb2,719Mar9Apr86May2,485Jun2,599Jul141Aug2,863Sep9,142Oct1,160Nov26Dec
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Customer-hours; October was the worst month.

Keweenaw County year over year

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Keweenaw County, MI: average hours without power per customer by year2015: 17.9h; 2016: 0.0h; 2017: 2.9h; 2018: 4.4h, coverage 91%; 2019: 16.4h, coverage 96%; 2020: 18.7h, coverage 95%; 2021: 16.4h, coverage 95%; 2022: 18.1h, coverage 96%; 2023: 19.2h; 2024: 32.8h; 2025: 56.0h02040600%50%100%17.9h20150.0h20162.9h20174.4h201816.4h201918.7h202016.4h202118.1h202219.2h202332.8h202456.0h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of Michigan customers tracked each year.

Biggest outages in Keweenaw County, 2020

The 10 outage episodes with the most customers out at once. Times are UTC.

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#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1July 19, 2020 05:30July 19, 2020 07:151h 45m2,6322,529
2June 10, 2020 14:00June 10, 2020 20:006h2,3162,160
3January 29, 2020 17:00January 29, 2020 17:1515m1,201300
4October 12, 2020 19:30October 13, 2020 02:307h1,1963,665
5September 3, 2020 13:45September 4, 2020 02:0012h 15m1,1872,834
6March 13, 2020 11:30March 13, 2020 15:304h8722,181
7January 26, 2020 03:30January 26, 2020 08:004h 30m8682,268
8October 12, 2020 08:45October 12, 2020 15:156h 30m8613,287
9October 12, 2020 02:00October 12, 2020 05:153h 15m5331,484
10October 27, 2020 16:45October 27, 2020 18:001h 15m533536

Outage episodes by size in 2020: 13 reached 100+ customers, 5 reached 1,000+ customers, 0 reached 10,000+ customers.

Utility reliability filed with the EIA

SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Keweenaw County reported on EIA Form 861 for 2020, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Upper Peninsula Power Company20204.9 hrs2.303.4 hrs1.77
Ontonagon County R E A-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 95% of Michigan's customers in 2020; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 1,356 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
  • An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
  • Years loaded: 2015–2025. Keweenaw County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Keweenaw County, MI annual power outage report, 2020, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2020/michigan/keweenaw-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON