Power outages in Brookfield, WI
Live outages for Brookfield and the surrounding area, updated every 10 minutes. Brookfield has 41,448 residents.
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No live outage data for Brookfield yet.
Outage map
BrookfieldWaukesha County
Outage history in Waukesha County, which includes Brookfield
2014–2025 recordWaukesha County averaged 35.3 significant outages a year in 2023–2025, more than most Wisconsin counties.
In the 12 months to December 2025, there were 30. Half were over within 1.5 hours; the longest lasted 1.5 days, starting August 10, 2025.
The largest on record began August 11, 2021, with 36,584 customers out at once.
Outages are most common in July.
35.3significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.1.5 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.3.5 dayslongest on record (January 2024)
36,584most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| August 11, 2021 | 36,584 | 3.1 days | 863,652 |
| January 12, 2024 | 34,927 | 3.5 days | 1,232,968 |
| July 28, 2023 | 23,527 | 2.1 days | 454,511 |
| June 30, 2019 | 21,890 | 9.5 hours | 128,398 |
| June 27, 2019 | 19,874 | 30 hours | 274,504 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.