Power Outages in Portage County, WI
As of the latest utility report, no major power outages are reported in Portage County, WI. In 2025, the average customer here lost power for about 4.9 hours.
Portage County, WI is served by 2 tracked utilities.
No active power outages are currently reported in Portage County.
- Air Quality AlertUNKNOWN
Portage County has been under 12 National Weather Service alerts recently — most recently a Air Quality Alert on July 18, 2026.
- Heat Advisory ×8
- Air Quality Alert ×4
Hardest-hit cities in Portage County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Portage County went about 4.9 hours without power. Peak simultaneous outage on record reached 18,682 customers.
Worst year here was 2019 (peak 17,096 customers out) · decade average 7.0 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 472 | 3,376 | 1.9 |
| 2016 | 365 | 7,852 | 2.9 |
| 2017 | 498 | 18,682 | 26.0 |
| 2018 | 560 | 3,723 | 1.5 |
| 2019 | 639 | 17,096 | 26.3 |
| 2020 | 527 | 3,877 | 1.8 |
| 2021 | 460 | 4,953 | 4.7 |
| 2022 | 527 | 7,813 | 4.6 |
| 2023 | 521 | 1,804 | 1.0 |
| 2024 | 505 | 3,450 | 1.6 |
| 2025 | 508 | 4,843 | 4.9 |
Relatively Moderate high winds exposure · 7.0 hrs/yr of outages over the last decade.
Power outages in Portage County: FAQ
- How often does Portage County, WI lose power?
- Based on EAGLE-I records, Portage County, WI logged 508 distinct outage events in 2025, averaging about 4.9 hours without power per customer over the year.
- What was the worst power outage in Portage County, WI?
- The largest tracked outage peaked at 18,682 customers without power, beginning June 12, 2017 and lasting about 4d 2h.
- Is there a power outage in Portage County, WI right now?
- No major outage is currently reported for Portage County, WI. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Portage 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 Portage County.
54406, 54407, 54423, 54443, 54458, 54467, 54473, 54481, 54482, 54909, 54921
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/55097 and /api/v1/counties/55097/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Wisconsin customers).