PowerOutageHistory
B

Green Lake County Power Outage History

20152025 · Wisconsin

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
262
Avg duration
3.0 hrs
Longest outage
54 hrs
National percentile
73rd

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 22, 202424 hrs6,727 (40%)Thunderstorm Wind
Jul 29, 202126 hrs6,350 (37%)Unnamed event
Jan 14, 20244 hrs5,703 (34%)Winter Storm
Aug 12, 20239 hrs4,027 (24%)Unnamed event
Jun 14, 20178 hrs3,978 (23%)Thunderstorm Wind

Over the 11 years from 2015 to 2025, Green Lake County recorded 262 distinct power outage events, averaging 3.0 hours per event.

The single worst outage on record in Green Lake County started May 22, 2024 (Thunderstorm Wind), lasting 24 hours and leaving up to 6,727 customers without power (40% of the county) at its peak.

June has historically been the worst month for outages in Green Lake County, with 47 events recorded during that month across the dataset.

Based on this history, Green Lake County earns a Reliability Grade of B, placing it in the 73rd percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Green Lake County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Wisconsin

Counties with the closest reliability grade and national percentile to Green Lake County.

CountyGradeNational percentile
St. Croix CountyB73rd
Buffalo CountyB74th
Sheboygan CountyB72nd
Dodge CountyB74th
Iowa CountyB71st

FAQ

How often does power go out in Green Lake County?

Between 2015 and 2025, Green Lake County recorded 262 outage events, averaging 3.0 hours each.

What is Green Lake County's reliability grade?

Green Lake County has a Reliability Grade of B, in the 73rd national percentile.

What was the worst power outage in Green Lake County?

The worst outage on record started May 22, 2024 (Thunderstorm Wind), lasting 24 hours and affecting up to 6,727 customers.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.