Power Outages in Waukesha County, WI
No live outage feed is available for Waukesha County, WI yet — live coverage depends on local utilities reporting to ODIN. In 2025, the average customer here lost power for about 4.2 hours.
Waukesha County, WI is served by local tracked utilities.
Waukesha County's utilities do not report live data to ODIN, so real-time outage counts aren't available here. The historical record below is complete.
- Air Quality AlertUNKNOWN
Waukesha County has been under 9 National Weather Service alerts recently — most recently a Air Quality Alert on July 18, 2026.
- Heat Advisory ×5
- Air Quality Alert ×4
Hardest-hit cities in Waukesha County
Where this event is concentrated across the county's towns and townships.
- Waukeshano active outage
- Brookfieldno active outage
- New Berlinno active outage
Historical reliability
In 2025, the average customer in Waukesha County went about 4.2 hours without power. Peak simultaneous outage on record reached 45,425 customers.
Worst year here was 2021 (peak 45,425 customers out) · decade average 5.7 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 441 | 6,612 | 2.1 |
| 2016 | 796 | 7,655 | 2.4 |
| 2017 | 765 | 6,281 | 2.0 |
| 2018 | 698 | 5,504 | 2.3 |
| 2019 | 740 | 21,890 | 6.1 |
| 2020 | 778 | 11,004 | 3.6 |
| 2021 | 745 | 45,425 | 12.9 |
| 2022 | 787 | 15,243 | 6.4 |
| 2023 | 842 | 23,527 | 7.6 |
| 2024 | 859 | 34,927 | 12.9 |
| 2025 | 862 | 14,153 | 4.2 |
Relatively High tornadoes exposure · 5.7 hrs/yr of outages over the last decade.
Power outages in Waukesha County: FAQ
- How often does Waukesha County, WI lose power?
- Based on EAGLE-I records, Waukesha County, WI logged 862 distinct outage events in 2025, averaging about 4.2 hours without power per customer over the year.
- What was the worst power outage in Waukesha County, WI?
- The largest tracked outage peaked at 45,425 customers without power, beginning August 11, 2021 and lasting about 12h 45m.
- Is there a power outage in Waukesha County, WI right now?
- No major outage is currently reported for Waukesha County, WI. Live coverage depends on whether local utilities report to ODIN.
Waukesha, Brookfield, New Berlin. Outage counts for these communities are reported at the Waukesha County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Waukesha County.
53005, 53007, 53018, 53029, 53045, 53046, 53051, 53058, 53066, 53069, 53072, 53089, 53103, 53118, 53119, 53122, 53127, 53146, 53149, 53150, 53151, 53153, 53183, 53186, 53188, 53189
Machine-readable data: /api/v1/counties/55133 and /api/v1/counties/55133/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Wisconsin customers).