Power Outages in Harrison County, IA
As of the latest utility report, no major power outages are reported in Harrison County, IA. In 2025, the average customer here lost power for about 18.4 hours.
Harrison County, IA is served by 1 tracked utility.
No active power outages are currently reported in Harrison County.
- Heat AdvisoryMODERATE
Harrison County has been under 1 National Weather Service alert recently — most recently a Heat Advisory on July 20, 2026.
- Heat Advisory ×1
Hardest-hit cities in Harrison County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Harrison County went about 18.4 hours without power. Peak simultaneous outage on record reached 4,801 customers.
Worst year here was 2025 (peak 4,801 customers out) · decade average 3.7 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 107 | 303 | 0.8 |
| 2016 | 247 | 2,426 | 3.4 |
| 2017 | 289 | 1,239 | 1.7 |
| 2018 | 253 | 1,093 | 2.3 |
| 2019 | 242 | 785 | 1.3 |
| 2020 | 212 | 1,530 | 2.4 |
| 2021 | 246 | 625 | 1.6 |
| 2022 | 244 | 713 | 2.9 |
| 2023 | 229 | 1,002 | 1.1 |
| 2024 | 216 | 2,454 | 5.1 |
| 2025 | 251 | 4,801 | 18.4 |
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 44.1% of outage-time over 1 month of live data. Shares above are of the portion with a known cause.
Relatively Moderate high winds exposure · 3.7 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 Harrison County: FAQ
- How often does Harrison County, IA lose power?
- Based on EAGLE-I records, Harrison County, IA logged 251 distinct outage events in 2025, averaging about 18.4 hours without power per customer over the year.
- What was the worst power outage in Harrison County, IA?
- The largest tracked outage peaked at 4,801 customers without power, beginning March 19, 2025 and lasting about 1d 8h.
- Is there a power outage in Harrison County, IA right now?
- No major outage is currently reported for Harrison County, IA. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Harrison County, IA?
- Tracked electric providers include MIDAMERICAN ENERGY CO.
Outages are tracked at the county level; these ZIP codes fall within Harrison County.
51529, 51545, 51546, 51550, 51555, 51556, 51557, 51563, 51564, 51579
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/19085 and /api/v1/counties/19085/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Iowa customers).