massoutage

County annual report · FIPS 55047

2023 Green Lake County, WI Power Outage Report

In 2023, customers in Green Lake County, WI went without power for an average of 1.6 hours, a total of 26K customer-hours (Wisconsin average 3.4 hours). That ranks 42nd worst of 72 Wisconsin counties and 2449th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
1.6
16,499 customers
Customer-hours out
26K
Peak customers out
4,027
Outages ≥1,000 out
4
0 of 10,000+ · 398 total
Longest outage
23h 45m
began July 29, 2023
Rank in state
42nd/72
2449th of 2,977 US

Compared with WI, the US and 2022

Green Lake County, WI average hours without power per customer compared with state and national averages, 2023Green Lake County 1.6 hours, Wisconsin average 3.4 hours, US average 7.1 hours, Green Lake County, 2022 2.7 hoursGreen Lake CountyGreen Lake County1.6hWisconsin averageWisconsin average3.4hUS averageUS average7.1hGreen Lake County, 2022Green Lake County, 2…2.7h
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Average hours without power per customer in 2023; last bar is this county in 2022.

Month by month

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Green Lake County, WI customer-hours without power by month, 2023Jan 1,252, Feb 374, Mar 718, Apr 1,152, May 1,918, Jun 3,152, Jul 2,684, Aug 10K, Sep 1,704, Oct 322, Nov 1,659, Dec 1,09005k10k15k1,252Jan374Feb718Mar1,152Apr1,918May3,152Jun2,684Jul10KAug1,704Sep322Oct1,659Nov1,090Dec
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Customer-hours; August was the worst month.

Green Lake County year over year

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Green Lake County, WI: average hours without power per customer by year2015: 0.7h; 2016: 0.1h; 2017: 3.2h; 2018: 5.1h, coverage 83%; 2019: 1.9h, coverage 84%; 2020: 1.2h, coverage 84%; 2021: 4.6h, coverage 85%; 2022: 2.7h, coverage 85%; 2023: 1.6h; 2024: 3.4h; 2025: 2.1h02460%50%100%0.7h20150.1h20163.2h20175.1h20181.9h20191.2h20204.6h20212.7h20221.6h20233.4h20242.1h2025
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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 Green Lake County, 2023

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1August 12, 2023 00:45August 12, 2023 18:0017h 15m4,0279,604
2January 24, 2023 05:15January 24, 2023 06:151h1,0111,011
3June 21, 2023 14:00June 21, 2023 14:3030m1,009504
4July 13, 2023 11:15July 13, 2023 12:301h 15m1,002258
5December 2, 2023 18:15December 2, 2023 20:001h 45m940940
6May 30, 2023 01:30May 30, 2023 07:005h 30m842855
7July 26, 2023 11:15July 26, 2023 16:305h 15m837619
8September 10, 2023 12:30September 10, 2023 15:303h747814
9November 21, 2023 10:45November 21, 2023 13:152h 30m634635
10June 12, 2023 15:15June 12, 2023 21:456h 30m574595

Outage episodes by size in 2023: 29 reached 100+ customers, 4 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 Green Lake County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Adams-Columbia Electric Coop20233.8 hrs1.093.8 hrs1.09
Alliant Energy (Interstate Power & Light)-----
Wisconsin Power & Light Co-----
City of Princeton - (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 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 16,499 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. Green Lake County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Green Lake County, WI annual power outage report, 2023, 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/2023/wisconsin/green-lake-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON