Power Outages in Winnebago County, WI
As of the latest utility report, no major power outages are reported in Winnebago County, WI. In 2025, the average customer here lost power for about 1.2 hours.
Winnebago County, WI is served by 1 tracked utility.
No active power outages are currently reported in Winnebago County.
- Air Quality AlertUNKNOWN
Winnebago County has been under 13 National Weather Service alerts recently — most recently a Air Quality Alert on July 18, 2026.
- Heat Advisory ×8
- Air Quality Alert ×5
Hardest-hit cities in Winnebago County
Where this event is concentrated across the county's towns and townships.
- Oshkoshno active outage
Historical reliability
In 2025, the average customer in Winnebago County went about 1.2 hours without power. Peak simultaneous outage on record reached 20,041 customers.
Worst year here was 2022 (peak 20,041 customers out) · decade average 2.0 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 571 | 6,499 | 1.3 |
| 2016 | 533 | 6,474 | 0.8 |
| 2017 | 586 | 10,230 | 1.4 |
| 2018 | 459 | 12,757 | 1.1 |
| 2019 | 460 | 9,837 | 2.9 |
| 2020 | 536 | 7,682 | 1.6 |
| 2021 | 596 | 4,582 | 1.8 |
| 2022 | 697 | 20,041 | 6.2 |
| 2023 | 668 | 5,856 | 1.2 |
| 2024 | 700 | 6,657 | 2.6 |
| 2025 | 692 | 4,706 | 1.2 |
Relatively High high winds exposure · 2.0 hrs/yr of outages over the last decade.
Power outages in Winnebago County: FAQ
- How often does Winnebago County, WI lose power?
- Based on EAGLE-I records, Winnebago County, WI logged 692 distinct outage events in 2025, averaging about 1.2 hours without power per customer over the year.
- What was the worst power outage in Winnebago County, WI?
- The largest tracked outage peaked at 20,041 customers without power, beginning July 23, 2022 and lasting about 1d 13h.
- Is there a power outage in Winnebago County, WI right now?
- No major outage is currently reported for Winnebago County, WI. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Winnebago County, WI?
- Tracked electric providers include Alliant Energy (Interstate Power & Light).
Oshkosh. Outage counts for these communities are reported at the Winnebago County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Winnebago County.
54901, 54902, 54904, 54927, 54947, 54956, 54963, 54964, 54980, 54985, 54986
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Alliant Energy (Interstate Power & Light) | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/55139 and /api/v1/counties/55139/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Wisconsin customers).