Power Outages in Sioux County, IA
As of the latest utility report, no major power outages are reported in Sioux County, IA. In 2025, the average customer here lost power for about 3.7 hours.
Sioux County, IA is served by 1 tracked utility.
No active power outages are currently reported in Sioux County.
No active NWS alerts for Sioux County right now.
Sioux County has been under 2 National Weather Service alerts recently — most recently a Heat Advisory on July 17, 2026.
- Heat Advisory ×2
Hardest-hit cities in Sioux County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Sioux County went about 3.7 hours without power. Peak simultaneous outage on record reached 4,636 customers.
Worst year here was 2025 (peak 4,060 customers out) · decade average 1.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 77 | 1,770 | 0.2 |
| 2016 | 143 | 2,069 | 0.7 |
| 2017 | 160 | 305 | 0.5 |
| 2018 | 223 | 1,467 | 0.8 |
| 2019 | 250 | 4,636 | 3.4 |
| 2020 | 237 | 2,459 | 0.9 |
| 2021 | 228 | 791 | 0.7 |
| 2022 | 223 | 3,204 | 2.1 |
| 2023 | 186 | 768 | 0.6 |
| 2024 | 230 | 3,265 | 3.2 |
| 2025 | 235 | 4,060 | 3.7 |
What causes outages here
Share of outage-time by reported cause, from live ODIN utility reports. Why does my power keep going out? →
A reported cause is available for 4.5% of outage-time over 1 month of live data. Shares above are of the portion with a known cause.
Relatively High winter weather exposure · 1.5 hrs/yr of outages over the last decade.
Power outages in Sioux County: FAQ
- How often does Sioux County, IA lose power?
- Based on EAGLE-I records, Sioux County, IA logged 235 distinct outage events in 2025, averaging about 3.7 hours without power per customer over the year.
- What was the worst power outage in Sioux County, IA?
- The largest tracked outage peaked at 4,636 customers without power, beginning April 10, 2019 and lasting about 2d 21h.
- Is there a power outage in Sioux County, IA right now?
- No major outage is currently reported for Sioux County, IA. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Sioux County, IA?
- Tracked electric providers include MIDAMERICAN ENERGY CO.
Outages are tracked at the county level; these ZIP codes fall within Sioux County.
51003, 51011, 51023, 51027, 51036, 51041, 51201, 51234, 51238, 51239, 51244, 51247, 51250
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| MIDAMERICAN ENERGY CO | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/19167 and /api/v1/counties/19167/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Iowa customers).