massoutage

County annual report · FIPS 55089

2015 Ozaukee County, WI Power Outage Report

In 2015, customers in Ozaukee County, WI went without power for an average of 1.6 hours, a total of 56K customer-hours (Wisconsin average 1.5 hours). That ranks 35th worst of 71 Wisconsin counties and 1400th of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
1.6
34,422 customers
Customer-hours out
56K
Peak customers out
2,766
Outages ≥1,000 out
11
0 of 10,000+ · 231 total
Longest outage
1d 5h
began December 24, 2015
Rank in state
35th/71
1400th of 2,484 US

Compared with WI, the US

Ozaukee County, WI average hours without power per customer compared with state and national averages, 2015Ozaukee County 1.6 hours, Wisconsin average 1.5 hours, US average 2.9 hoursOzaukee CountyOzaukee County1.6hWisconsin averageWisconsin average1.5hUS averageUS average2.9h
Use the arrow keys to read values.
Average hours without power per customer in 2015.

Month by month

CSVJSON
Ozaukee County, WI customer-hours without power by month, 2015Jan 49, Feb 0, Mar 0, Apr 0, May 0, Jun 5,080, Jul 15K, Aug 22K, Sep 2,471, Oct 3,328, Nov 1,689, Dec 7,372010k20k30k49Jan0Feb0Mar0Apr0May5,080Jun15KJul22KAug2,471Sep3,328Oct1,689Nov7,372Dec
Use the arrow keys to read values.
Customer-hours; August was the worst month.

Ozaukee County year over year

CSVJSON
Ozaukee County, WI: average hours without power per customer by year2015: 1.6h; 2016: 1.8h; 2017: 1.7h; 2018: 3.7h, coverage 83%; 2019: 4.2h, coverage 84%; 2020: 2.8h, coverage 84%; 2021: 7.1h, coverage 85%; 2022: 10.0h, coverage 85%; 2023: 4.3h; 2024: 8.5h; 2025: 3.7h0510150%50%100%1.6h20151.8h20161.7h20173.7h20184.2h20192.8h20207.1h202110.0h20224.3h20238.5h20243.7h2025
Use the arrow keys to read values.
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 Ozaukee County, 2015

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1June 28, 2015 20:00June 28, 2015 23:003h2,7662,080
2December 13, 2015 18:00December 13, 2015 20:002h2,5303,160
3September 30, 2015 18:00September 30, 2015 20:002h1,950509
4November 2, 2015 17:45November 2, 2015 22:455h1,766447
5July 18, 2015 11:45July 19, 2015 01:4514h1,7467,567
6August 2, 2015 20:45August 3, 2015 22:151d 1h1,5427,160
7August 17, 2015 22:45August 18, 2015 05:006h 15m1,3142,183
8July 13, 2015 10:30July 14, 2015 00:0013h 30m1,2724,668
9August 14, 2015 22:30August 16, 2015 01:301d 3h1,21410K
10November 17, 2015 07:15November 17, 2015 07:3015m1,140285

Outage episodes by size in 2015: 28 reached 100+ customers, 11 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 Ozaukee 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
Cedarburg Light & Water 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 n/a of Wisconsin's customers in 2015; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 34,422 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. Ozaukee County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Ozaukee 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/ozaukee-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON