Power Outages in Marathon County, WI
As of the latest utility report, no major power outages are reported in Marathon County, WI. In 2025, the average customer here lost power for about 2.8 hours.
Marathon County, WI is served by 2 tracked utilities.
No active power outages are currently reported in Marathon County.
No active NWS alerts for Marathon County right now.
Marathon County has been under 43 National Weather Service alerts recently — most recently a Dense Fog Advisory on September 1, 2026.
- Severe Thunderstorm Warning ×10
- Special Weather Statement ×10
- Heat Advisory ×8
- Tornado Warning ×7
- Air Quality Alert ×4
- Dense Fog Advisory ×3
Latest Marathon County, WI outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 36m
- OUTAGE BEGAN
Outage began — 1,061 customers out (1.3% of the county)
- RESOLVED
Power restored after 7h 37m
- OUTAGE BEGAN
Outage began — 612 customers out (0.8% of the county)
Hardest-hit cities in Marathon County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Marathon County went about 2.8 hours without power. Peak simultaneous outage on record reached 12,628 customers.
Worst year here was 2021 (peak 11,577 customers out) · decade average 2.8 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 632 | 4,951 | 1.0 |
| 2016 | 619 | 9,290 | 3.6 |
| 2017 | 702 | 6,446 | 2.6 |
| 2018 | 641 | 1,665 | 0.8 |
| 2019 | 760 | 10,558 | 4.3 |
| 2020 | 699 | 11,369 | 1.8 |
| 2021 | 688 | 11,577 | 5.5 |
| 2022 | 719 | 12,628 | 5.4 |
| 2023 | 750 | 8,448 | 1.2 |
| 2024 | 662 | 5,333 | 1.8 |
| 2025 | 457 | 8,537 | 2.8 |
Relatively Moderate high winds exposure · 2.8 hrs/yr of outages over the last decade.
Power outages in Marathon County: FAQ
- How often does Marathon County, WI lose power?
- Based on EAGLE-I records, Marathon County, WI logged 457 distinct outage events in 2025, averaging about 2.8 hours without power per customer over the year.
- What was the worst power outage in Marathon County, WI?
- The largest tracked outage peaked at 12,628 customers without power, beginning December 14, 2022 and lasting about 5d 8h.
- Is there a power outage in Marathon County, WI right now?
- No major outage is currently reported for Marathon County, WI. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Marathon County, WI?
- Tracked electric providers include Alliant Energy (Interstate Power & Light), CENTRAL WISCONSIN ELEC COOP.
Outages are tracked at the county level; these ZIP codes fall within Marathon County.
54401, 54403, 54405, 54408, 54411, 54417, 54421, 54426, 54427, 54440, 54448, 54455, 54471, 54474, 54476, 54484
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 ✓ | — |
| CENTRAL WISCONSIN ELEC COOP | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/55073 and /api/v1/counties/55073/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Wisconsin customers).