massoutage

County annual report · FIPS 55117

2015 Sheboygan County, WI Power Outage Report

In 2015, customers in Sheboygan County, WI went without power for an average of 2.6 hours, a total of 66K customer-hours (Wisconsin average 1.5 hours). That ranks 18th worst of 71 Wisconsin counties and 1034th of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
2.6
25,546 customers
Customer-hours out
66K
Peak customers out
4,028
Outages ≥1,000 out
12
0 of 10,000+ · 566 total
Longest outage
1d
began August 2, 2015
Rank in state
18th/71
1034th of 2,484 US

Compared with WI, the US

Sheboygan County, WI average hours without power per customer compared with state and national averages, 2015Sheboygan County 2.6 hours, Wisconsin average 1.5 hours, US average 2.9 hoursSheboygan CountySheboygan County2.6hWisconsin averageWisconsin average1.5hUS averageUS average2.9h
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Average hours without power per customer in 2015.

Month by month

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Sheboygan County, WI customer-hours without power by month, 2015Jan 1,876, Feb 813, Mar 672, Apr 1,934, May 637, Jun 4,171, Jul 12K, Aug 19K, Sep 15K, Oct 2,381, Nov 1,945, Dec 4,70105k10k15k20k1,876Jan813Feb672Mar1,934Apr637May4,171Jun12KJul19KAug15KSep2,381Oct1,945Nov4,701Dec
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Customer-hours; August was the worst month.

Sheboygan County year over year

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Sheboygan County, WI: average hours without power per customer by year2015: 2.6h; 2016: 1.0h; 2017: 1.1h; 2018: 9.4h, coverage 83%; 2019: 2.7h, coverage 84%; 2020: 4.5h, coverage 84%; 2021: 3.6h, coverage 85%; 2022: 12.5h, coverage 85%; 2023: 5.0h; 2024: 5.8h; 2025: 3.6h0510150%50%100%2.6h20151.0h20161.1h20179.4h20182.7h20194.5h20203.6h202112.5h20225.0h20235.8h20243.6h2025
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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 Sheboygan County, 2015

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1September 18, 2015 05:00September 18, 2015 06:151h 15m4,0281,053
2July 26, 2015 12:15July 26, 2015 14:152h3,9775,529
3September 1, 2015 03:30September 1, 2015 06:453h 15m3,94712K
4August 14, 2015 22:45August 15, 2015 21:3022h 45m2,3535,035
5August 2, 2015 20:00August 3, 2015 20:301d2,05111K
6July 13, 2015 09:30July 14, 2015 03:3018h1,8153,927
7July 31, 2015 15:45July 31, 2015 17:452h1,632410
8April 6, 2015 18:45April 6, 2015 20:001h 15m1,563789
9October 16, 2015 20:30October 16, 2015 20:4515m1,389347
10February 9, 2015 17:30February 9, 2015 21:304h1,118562

Outage episodes by size in 2015: 39 reached 100+ customers, 12 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 Sheboygan County reported on EIA Form 861 for 2015, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Wisconsin Electric Power Co20152.1 hrs1.631.8 hrs1.38
Alliant Energy (Interstate Power & Light)-----
Wisconsin Power & Light Co-----
City of Plymouth - (WI)-----
City of Sheboygan Falls - (WI)-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Wisconsin's customers in 2015; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 25,546 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. Sheboygan County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Sheboygan County, WI annual power outage report, 2015, 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/2015/wisconsin/sheboygan-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON