Power Outages in Sauk County, WI
As of the latest utility report, no major power outages are reported in Sauk County, WI. In 2025, the average customer here lost power for about 0.9 hours.
Sauk County, WI is served by 1 tracked utility.
No active power outages are currently reported in Sauk County.
No active NWS alerts for Sauk County right now.
Sauk County has been under 42 National Weather Service alerts recently — most recently a Special Weather Statement on August 26, 2026.
- Heat Advisory ×14
- Severe Thunderstorm Warning ×10
- Special Weather Statement ×7
- Air Quality Alert ×4
- Severe Thunderstorm Watch ×4
- Tornado Warning ×2
Latest Sauk County, WI outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 2h 37m
- OUTAGE BEGAN
Outage began — 743 customers out (1.2% of the county)
- RESOLVED
Power restored after 1h 5m
- OUTAGE BEGAN
Outage began — 595 customers out (1.0% of the county)
- RESOLVED
Power restored after 3h 17m
- OUTAGE BEGAN
Outage began — 1,075 customers out (1.8% of the county)
- RESOLVED
Power restored after 2h 16m
- GREW
Outage grew to 1,108 customers out (1.8% of the county)
Hardest-hit cities in Sauk County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Sauk County went about 0.9 hours without power. Peak simultaneous outage on record reached 9,935 customers.
Worst year here was 2023 (peak 9,935 customers out) · decade average 1.2 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 658 | 1,316 | 0.7 |
| 2016 | 665 | 5,532 | 1.3 |
| 2017 | 635 | 7,586 | 1.5 |
| 2018 | 669 | 1,350 | 1.1 |
| 2019 | 699 | 4,061 | 1.0 |
| 2020 | 660 | 2,934 | 0.8 |
| 2021 | 636 | 4,551 | 1.0 |
| 2022 | 628 | 5,871 | 1.3 |
| 2023 | 672 | 9,935 | 1.9 |
| 2024 | 708 | 1,975 | 1.4 |
| 2025 | 729 | 4,932 | 0.9 |
Relatively Moderate high winds exposure · 1.2 hrs/yr of outages over the last decade.
Power outages in Sauk County: FAQ
- How often does Sauk County, WI lose power?
- Based on EAGLE-I records, Sauk County, WI logged 729 distinct outage events in 2025, averaging about 0.9 hours without power per customer over the year.
- What was the worst power outage in Sauk County, WI?
- The largest tracked outage peaked at 9,935 customers without power, beginning July 29, 2023 and lasting about 2d 1h.
- Is there a power outage in Sauk County, WI right now?
- No major outage is currently reported for Sauk County, WI. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Sauk County, WI?
- Tracked electric providers include Alliant Energy (Interstate Power & Light).
Outages are tracked at the county level; these ZIP codes fall within Sauk County.
53561, 53577, 53578, 53583, 53588, 53913, 53937, 53940, 53941, 53942, 53943, 53951, 53959, 53961
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/55111 and /api/v1/counties/55111/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Wisconsin customers).