Power Outages in Hamilton County, IA
As of October 19, 2026 07:45 UTC, about 1 customers are without power in Hamilton County, IA across 1 reported incident. There is no live feed for Alliant Energy (Interstate Power & Light), Cass Electric Coop, City of Ellsworth - (IA), City of Stanhope - (IA), City of Story City - (IA), City of Stratford - (IA), City of Webster City - (IA) and Pleasant Hill Community Line, so outages in their service area aren't counted. In 2025, the average customer here lost power for about 2.7 hours.
Hamilton County, IA is served by 12 tracked utilities.
Cite this data
- URL
- https://massoutage.com/iowa/hamilton-county
- As of
- October 19, 2026 07:45 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Hamilton County, IA", live data as of October 19, 2026 07:45 UTC. https://massoutage.com/iowa/hamilton-county
Not counted: no live feed for Alliant Energy (Interstate Power & Light), Cass Electric Coop, City of Ellsworth - (IA), City of Stanhope - (IA), City of Story City - (IA), City of Stratford - (IA), City of Webster City - (IA) and Pleasant Hill Community Line.
28%of this county's ~9,469 customers are served by utilities with a county-level live feed.
We can't see outages for: Alliant Energy (Interstate Power & Light), Cass Electric Coop, City of Ellsworth - (IA), City of Stanhope - (IA), City of Story City - (IA), City of Stratford - (IA), City of Webster City - (IA), Pleasant Hill Community Line. 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 | 1,673 | 0.0% | - | - | - | |
| Midland Power Coop | Live · county | 1 | 954 | 0.1% | - | - | - | |
| MidAmerican Energy Co | Live · county | 0 | - | - | - | 0 | - | |
| Prairie Energy Coop | Live · county | 0 | - | - | - | 0 | - | |
| Alliant Energy (Interstate Power & Light) | No live feed | can't see | - | - | - | - | - | - |
| Cass Electric Coop | No live feed | can't see | - | - | - | - | - | - |
| City of Ellsworth - (IA) | No live feed | can't see | - | - | - | - | - | - |
| City of Stanhope - (IA) | No live feed | can't see | - | - | - | - | - | - |
| City of Story City - (IA) | No live feed | can't see | - | - | - | - | - | - |
| City of Stratford - (IA) | No live feed | can't see | - | - | - | - | - | - |
| City of Webster City - (IA) | No live feed | can't see | - | - | - | - | - | - |
| Pleasant Hill Community Line | No live feed | can't see | - | - | - | - | - | - |
Interstate Power and Light Co, Midland Power Coop, MidAmerican Energy Co 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 Hamilton 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 (9)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 50595 | 90 | ≤11 | 66 | ≤11 |
| 50249 | 18 | ≤11 | 16 | 0 |
| 50130 | 12 | 0 | ≤11 | 0 |
| 50271 | ≤11 | 0 | ≤11 | 0 |
| 50246 | ≤11 | 0 | ≤11 | 0 |
| 50231 | ≤11 | 0 | ≤11 | 0 |
| 50132 | ≤11 | 0 | ≤11 | 0 |
| 50075 | ≤11 | 0 | ≤11 | 0 |
| 50034 | ≤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 Hamilton County or any town and utility in it.
No active NWS alerts for Hamilton County right now.
Hamilton County has been under 17 National Weather Service alerts recently, most recently a Freeze Warning on October 17, 2026.
- Flood Watch ×10
- Dense Fog Advisory ×2
- Freeze Warning ×2
- Special Weather Statement ×2
- Freeze Watch ×1
Hardest-hit cities in Hamilton County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Hamilton Countyisn't available yet.
Historical reliability
In 2025, the average customer in Hamilton County went about 2.7 hours without power. Peak simultaneous outage on record reached 1,621 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 2.7 hrs.
Worst year here was 2020 (peak 1,431 customers out) · decade average 1.9 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 63 | 252 | 0.3 |
| 2016 | 126 | 1,123 | 0.6 |
| 2017 | 152 | 1,109 | 0.8 |
| 2018 | 156 | 1,084 | 1.1 |
| 2019 | 225 | 1,111 | 1.1 |
| 2020 | 183 | 1,431 | 6.8 |
| 2021 | 197 | 1,621 | 4.3 |
| 2022 | 259 | 363 | 0.7 |
| 2023 | 292 | 822 | 1.3 |
| 2024 | 318 | 1,077 | 0.8 |
| 2025 | 217 | 699 | 2.7 |
Cost of power in Hamilton County
ENERGY & AI DEMAND →Estimated residential electricity price for Hamilton 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.
- MidAmerican Energy Co11.2¢639,558 cust
- Interstate Power and Light Co17.8¢419,451 cust
- Midland Power Coop13.7¢12,083 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 high winds exposure · 1.9 hrs/yr of outages over the last decade.
Power outages in Hamilton County: FAQ
- How often does Hamilton County, IA lose power?
- Based on EAGLE-I records, Hamilton County, IA logged 217 distinct outage events in 2025, averaging about 2.7 hours without power per customer over the year.
- What was the worst power outage in Hamilton County, IA?
- The largest tracked outage peaked at 1,621 customers without power, beginning December 16, 2021 and lasting about 3d.
- Is there a power outage in Hamilton County, IA right now?
- Yes, about 1 customers are currently without power across 1 reported incident(s).
- Which utilities serve Hamilton County, IA?
- Tracked electric providers include Alliant Energy (Interstate Power & Light), Interstate Power and Light Co, Midland Power Coop.
Outages are tracked at the county level; these ZIP codes fall within Hamilton County.
50034, 50075, 50130, 50132, 50231, 50246, 50249, 50271, 50595
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 | 3.6 hrs | Live · county | - |
| Interstate Power and Light Co | - | Live · county | - |
| Alliant Energy (Interstate Power & Light) | - | No live feed | - |
| Midland Power Coop | - | Live · county | - |
| Prairie Energy Coop | - | Live · county | - |
| City of Story City - (IA) | - | No live feed | - |
| Cass Electric Coop | - | No live feed | - |
| City of Stratford - (IA) | - | No live feed | - |
| City of Webster City - (IA) | - | No live feed | - |
| City of Stanhope - (IA) | - | No live feed | - |
| Pleasant Hill Community Line | - | No live feed | - |
| City of Ellsworth - (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/19079 and /api/v1/counties/19079/history. Live data as of .