Power Outages in Grant County, WI
As of the latest utility report, no major power outages are reported in Grant County, WI. In 2025, the average customer here lost power for about 2.9 hours.
Grant County, WI is served by 1 tracked utility.
No active power outages are currently reported in Grant County.
- Air Quality AlertUNKNOWN
Grant County has been under 7 National Weather Service alerts recently — most recently a Air Quality Alert on July 18, 2026.
- Heat Advisory ×4
- Air Quality Alert ×3
Hardest-hit cities in Grant County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Grant County went about 2.9 hours without power. Peak simultaneous outage on record reached 7,417 customers.
Worst year here was 2015 (peak 7,417 customers out) · decade average 4.9 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 397 | 7,417 | 18.0 |
| 2016 | 422 | 2,590 | 5.4 |
| 2017 | 368 | 2,745 | 7.5 |
| 2018 | 394 | 1,781 | 1.9 |
| 2019 | 375 | 1,886 | 4.1 |
| 2020 | 341 | 4,608 | 4.7 |
| 2021 | 285 | 1,873 | 2.0 |
| 2022 | 309 | 1,844 | 2.1 |
| 2023 | 377 | 1,640 | 2.4 |
| 2024 | 387 | 1,849 | 2.6 |
| 2025 | 413 | 1,885 | 2.9 |
Relatively Moderate high winds exposure · 4.9 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively moderate — outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Grant County: FAQ
- How often does Grant County, WI lose power?
- Based on EAGLE-I records, Grant County, WI logged 413 distinct outage events in 2025, averaging about 2.9 hours without power per customer over the year.
- What was the worst power outage in Grant County, WI?
- The largest tracked outage peaked at 7,417 customers without power, beginning June 22, 2015 and lasting about 3d 5h.
- Is there a power outage in Grant County, WI right now?
- No major outage is currently reported for Grant County, WI. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Grant County, WI?
- Tracked electric providers include Alliant Energy (Interstate Power & Light).
Outages are tracked at the county level; these ZIP codes fall within Grant County.
53554, 53569, 53573, 53801, 53802, 53804, 53805, 53806, 53807, 53808, 53809, 53810, 53811, 53812, 53813, 53816, 53817, 53818, 53820, 53825, 53827
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/55043 and /api/v1/counties/55043/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Wisconsin customers).