massoutage

County annual report · FIPS 55065

2015 Lafayette County, WI Power Outage Report

In 2015, customers in Lafayette County, WI went without power for an average of 3.0 hours, a total of 12K customer-hours (Wisconsin average 1.5 hours). That ranks 15th worst of 71 Wisconsin counties and 907th of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
3.0
4,085 customers
Customer-hours out
12K
Peak customers out
623
Outages ≥1,000 out
0
0 of 10,000+ · 246 total
Longest outage
1d 14h
began June 22, 2015
Rank in state
15th/71
907th of 2,484 US

Compared with WI, the US

Lafayette County, WI average hours without power per customer compared with state and national averages, 2015Lafayette County 3.0 hours, Wisconsin average 1.5 hours, US average 2.9 hoursLafayette CountyLafayette County3.0hWisconsin 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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Lafayette County, WI customer-hours without power by month, 2015Jan 44, Feb 202, Mar 239, Apr 723, May 133, Jun 9,313, Jul 579, Aug 170, Sep 314, Oct 142, Nov 128, Dec 38402.5k5k7.5k10k44Jan202Feb239Mar723Apr133May9,313Jun579Jul170Aug314Sep142Oct128Nov384Dec
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Customer-hours; June was the worst month.

Lafayette County year over year

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Lafayette County, WI: average hours without power per customer by year2015: 3.0h; 2016: 2.5h; 2017: 5.4h; 2018: 4.0h, coverage 83%; 2019: 3.2h, coverage 84%; 2020: 1.2h, coverage 84%; 2021: 2.3h, coverage 85%; 2022: 1.2h, coverage 85%; 2023: 2.3h; 2024: 6.4h; 2025: 1.1h024680%50%100%3.0h20152.5h20165.4h20174.0h20183.2h20191.2h20202.3h20211.2h20222.3h20236.4h20241.1h2025
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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 Lafayette County, 2015

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
1June 22, 2015 14:30June 24, 2015 05:001d 14h6238,369
2June 30, 2015 02:30June 30, 2015 04:001h 30m436653
3April 23, 2015 21:15April 23, 2015 23:452h 30m388596
4June 14, 2015 08:30June 14, 2015 11:152h 45m197172
5July 17, 2015 04:00July 17, 2015 07:453h 45m197479
6December 20, 2015 02:15December 20, 2015 05:153h128352
7September 17, 2015 21:45September 17, 2015 22:3045m11889
8February 23, 2015 13:15February 23, 2015 15:152h69138
9March 17, 2015 18:30March 17, 2015 19:301h6952
10May 26, 2015 02:45May 26, 2015 03:1530m6935

Outage episodes by size in 2015: 7 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 Lafayette County reported on EIA Form 861 for 2015, or their most recent earlier filing. Utility-wide figures, not county-specific.

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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 ÷ 4,085 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. Lafayette County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Lafayette 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/). https://massoutage.com/reports/2015/wisconsin/lafayette-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON