massoutage

County annual report · FIPS 55061

2021 Kewaunee County, WI Power Outage Report

In 2021, customers in Kewaunee County, WI went without power for an average of 1.6 hours, a total of 23K customer-hours (Wisconsin average 4.7 hours). That ranks 53rd worst of 72 Wisconsin counties and 2415th of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
1.6
14,371 customers
Customer-hours out
23K
Peak customers out
963
Outages ≥1,000 out
0
0 of 10,000+ · 172 total
Longest outage
22h 30m
began December 16, 2021
Rank in state
53rd/72
2415th of 2,974 US

Compared with WI, the US and 2020

Kewaunee County, WI average hours without power per customer compared with state and national averages, 2021Kewaunee County 1.6 hours, Wisconsin average 4.7 hours, US average 8.9 hours, Kewaunee County, 2020 0.9 hoursKewaunee CountyKewaunee County1.6hWisconsin averageWisconsin average4.7hUS averageUS average8.9hKewaunee County, 2020Kewaunee County, 20200.9h
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Average hours without power per customer in 2021; last bar is this county in 2020.

Month by month

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Kewaunee County, WI customer-hours without power by month, 2021Jan 918, Feb 2,632, Mar 1,343, Apr 17, May 1,502, Jun 737, Jul 1,888, Aug 7,947, Sep 221, Oct 372, Nov 48, Dec 5,23902k4k6k8k918Jan2,632Feb1,343Mar17Apr1,502May737Jun1,888Jul7,947Aug221Sep372Oct48Nov5,239Dec
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Customer-hours; August was the worst month.

Kewaunee County year over year

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Kewaunee County, WI: average hours without power per customer by year2015: 1.1h; 2016: 0.7h; 2017: 1.6h; 2018: 0.8h, coverage 83%; 2019: 3.5h, coverage 84%; 2020: 0.9h, coverage 84%; 2021: 1.6h, coverage 85%; 2022: 1.2h, coverage 85%; 2023: 0.7h; 2024: 9.4h; 2025: 1.5h02.557.5100%50%100%1.1h20150.7h20161.6h20170.8h20183.5h20190.9h20201.6h20211.2h20220.7h20239.4h20241.5h2025
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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 Wisconsin customers tracked each year.

Biggest outages in Kewaunee County, 2021

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
1August 28, 2021 02:15August 28, 2021 18:0015h 45m9633,972
2July 27, 2021 07:00July 27, 2021 10:303h 30m8221,116
3August 9, 2021 00:00August 9, 2021 08:158h 15m7511,498
4March 11, 2021 08:45March 11, 2021 11:302h 45m666649
5February 5, 2021 08:00February 5, 2021 13:155h 15m6341,632
6December 7, 2021 11:30December 7, 2021 18:156h 45m626321
7February 3, 2021 02:00February 3, 2021 04:152h 15m523674
8December 16, 2021 06:15December 17, 2021 04:4522h 30m4594,624
9August 30, 2021 06:30August 30, 2021 10:003h 30m4581,600
10January 15, 2021 06:30January 15, 2021 09:002h 30m394903

Outage episodes by size in 2021: 18 reached 100+ customers, 0 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 Kewaunee County reported on EIA Form 861 for 2021, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Wisconsin Public Service Corp20219.3 hrs1.461.6 hrs0.83
Algoma Utility Comm-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 85% of Wisconsin's customers in 2021; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 14,371 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. Kewaunee County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Kewaunee County, WI annual power outage report, 2021, 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/2021/wisconsin/kewaunee-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON