Power Outages in Winnebago County, IA
As of October 19, 2026 03:10 UTC, no outages are reported by Interstate Power and Light Co, Heartland Power Coop and Prairie Energy Coop in Winnebago County, IA. There is no live feed for City of Forest City- (IA) and City of Lake Mills - (IA). In 2025, the average customer here lost power for about 2.4 hours.
Winnebago County, IA is served by 5 tracked utilities.
Cite this data
- URL
- https://massoutage.com/iowa/winnebago-county
- As of
- October 19, 2026 03:10 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Winnebago County, IA", live data as of October 19, 2026 03:10 UTC. https://massoutage.com/iowa/winnebago-county
No active outages are reported by Interstate Power and Light Co, Heartland Power Coop and Prairie Energy Coop in Winnebago County.
No live feed for City of Forest City- (IA) and City of Lake Mills - (IA): outages in theirservice area won't show here.
15%of this county's ~10,548 customers are served by utilities with a county-level live feed.
We can't see outages for: City of Forest City- (IA), City of Lake Mills - (IA). Their customers are not in any number on this page; check their own outage maps.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Interstate Power and Light Co | Live · county | 0 | 1,614 | 0.0% | - | - | - | |
| Heartland Power Coop | Live · county | 0 | - | - | - | 0 | - | |
| Prairie Energy Coop | Live · county | 0 | - | - | - | 0 | - | |
| City of Forest City- (IA) | No live feed | can't see | - | - | - | - | - | - |
| City of Lake Mills - (IA) | No live feed | can't see | - | - | - | - | - | - |
Interstate Power and Light Co, Heartland Power Coop and Prairie Energy Coop reportevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Winnebago Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (6)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 50436 | 44 | 0 | 34 | 0 |
| 50450 | 30 | 0 | 19 | ≤11 |
| 50424 | 14 | 0 | ≤11 | ≤11 |
| 50478 | ≤11 | 0 | ≤11 | 0 |
| 50473 | ≤11 | 0 | ≤11 | 0 |
| 50453 | ≤11 | 0 | ≤11 | 0 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Winnebago County or any town and utility in it.
No active NWS alerts for Winnebago County right now.
Winnebago County has been under 6 National Weather Service alerts recently, most recently a Freeze Warning on October 17, 2026.
- Freeze Warning ×2
- Special Weather Statement ×2
- Flood Watch ×1
- Freeze Watch ×1
Hardest-hit cities in Winnebago County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Winnebago County went about 2.4 hours without power. Peak simultaneous outage on record reached 3,317 customers.
The US EIA reports Iowa utilities averaged 3.1 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 2.4 hrs.
Worst year here was 2019 (peak 2,116 customers out) · decade average 3.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 59 | 351 | 0.4 |
| 2016 | 72 | 446 | 0.9 |
| 2017 | 127 | 672 | 0.9 |
| 2018 | 370 | 2,028 | 3.0 |
| 2019 | 431 | 2,116 | 14.9 |
| 2020 | 327 | 2,187 | 6.2 |
| 2021 | 304 | 3,317 | 5.5 |
| 2022 | 286 | 1,768 | 1.9 |
| 2023 | 263 | 330 | 1.0 |
| 2024 | 197 | 472 | 1.4 |
| 2025 | 231 | 653 | 2.4 |
Cost of power in Winnebago County
ENERGY & AI DEMAND →Estimated residential electricity price for Winnebago County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- Interstate Power and Light Co17.8¢419,451 cust
- Heartland Power Coop12.8¢4,357 cust
- Prairie Energy Coop14.1¢3,433 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.
Relatively Moderate winter weather exposure · 3.5 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 Winnebago County: FAQ
- How often does Winnebago County, IA lose power?
- Based on EAGLE-I records, Winnebago County, IA logged 231 distinct outage events in 2025, averaging about 2.4 hours without power per customer over the year.
- What was the worst power outage in Winnebago County, IA?
- The largest tracked outage peaked at 3,317 customers without power, beginning December 16, 2021 and lasting about 1d 2h.
- Is there a power outage in Winnebago County, IA right now?
- No major outage is currently reported for Winnebago County, IA. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Winnebago County, IA?
- Tracked electric providers include Heartland Power Coop, Prairie Energy Coop.
Outages are tracked at the county level; these ZIP codes fall within Winnebago County.
50424, 50436, 50450, 50453, 50465, 50473, 50478
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Heartland Power Coop | 1.9 hrs | Live · county | - |
| Interstate Power and Light Co | - | Live · county | - |
| Prairie Energy Coop | - | Live · county | - |
| City of Forest City- (IA) | - | No live feed | - |
| City of Lake Mills - (IA) | - | No live feed | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Iowa customers). Machine-readable data: /api/v1/counties/19189 and /api/v1/counties/19189/history.