Power outage history
Adair County Iowa
1.4hours
without power for the average customer in a typical year, 2018–2025
92nd most of 98 in Iowa 78% below the national median
Every day since 2015
Eleven years, one night at a time
Each cell is a day. The brighter it is, the larger the share of Adair's customers who were without power at that day's worst moment.
Year by year
Hours in the dark, per customer
2025 was the worst well-recorded year, at 2.4 hours for the average customer. Hatched years have a thin record and are left out of the averages.
Adair, hours without power per customer
The record
The biggest outages since 2015
Ranked by customer-hours lost: customers out multiplied by how long they stayed out. Times are local.
| Began | Storm | Peak out | Share | Lasted | 90% restored | Customer-hours |
|---|---|---|---|---|---|---|
| Mar 4, 2025 | No storm report | 542 | 15% | 18 h | 15 h | 5.4k |
| Jun 28, 2018 | Thunderstorms | 452 | 12% | 28 h | 19 h | 5.2k |
| Jun 4, 2018 | No storm report | 500 | 14% | 4.2 h | 4.2 h | 2.1k |
| Jun 10, 2018 | No storm report | 506 | 14% | 3.5 h | 11 h | 1.8k |
| May 21, 2024 | Tornadoes | 684 | 19% | 4.5 h | 2.0 h | 1.6k |
| Dec 24, 2015 | No storm report | 514 | 14% | 2.2 h | 1.8 h | 1.2k |
| Nov 27, 2015 | No storm report | 513 | 14% | 2.5 h | 1.0 h | 866 |
| Jan 1, 2015 | No storm report | 524 | 14% | 1.5 h | 1.5 h | 786 |
| Jun 30, 2024 | No storm report | 865 | 23% | 1.2 h | 1.5 h | 784 |
| May 24, 2024 | Thunderstorms | 108 | 3% | 10 h | – | 661 |
| Mar 11, 2015 | No storm report | 519 | 14% | 1.2 h | 1.2 h | 649 |
| Feb 23, 2018 | No storm report | 498 | 14% | 1.2 h | 1.2 h | 622 |
| May 8, 2021 | No storm report | 614 | 17% | 1.0 h | – | 499 |
| Apr 29, 2022 | No storm report | 712 | 19% | 1.0 h | 1.0 h | 494 |
| Apr 20, 2019 | No storm report | 488 | 13% | 1.0 h | 1.0 h | 488 |
| Jan 16, 2017 | Ice storm | 64 | 2% | 7.2 h | – | 458 |
| Aug 6, 2022 | No storm report | 165 | 4% | 2.8 h | – | 454 |
| Jun 25, 2022 | No storm report | 447 | 12% | 1.2 h | 1.2 h | 447 |
| Dec 15, 2021 | Thunderstorms | 150 | 4% | 6.5 h | – | 326 |
| May 4, 2024 | No storm report | 310 | 8% | 1.0 h | 6.0 h | 310 |
| Jun 6, 2024 | No storm report | 84 | 2% | 3.2 h | – | 273 |
| Aug 19, 2025 | No storm report | 99 | 3% | 2.8 h | – | 272 |
| Jan 19, 2023 | No storm report | 186 | 5% | 2.5 h | 2.8 h | 268 |
| May 17, 2024 | No storm report | 201 | 5% | 1.2 h | 1.2 h | 246 |
| Aug 19, 2023 | No storm report | 164 | 4% | 1.5 h | – | 246 |
| Apr 20, 2024 | No storm report | 193 | 5% | 1.2 h | 1.8 h | 241 |
| Sep 11, 2021 | No storm report | 321 | 9% | 48 min | 48 min | 241 |
| Mar 16, 2025 | No storm report | 158 | 4% | 1.5 h | – | 237 |
| Jun 7, 2023 | No storm report | 91 | 2% | 2.5 h | – | 228 |
| Apr 16, 2024 | No storm report | 132 | 4% | 1.8 h | – | 222 |
After the peak
How fast the lights come back
Each line is one major outage, from its peak. The amber line is the typical path.
When it happens
The outage clock
Customer-hours out by month (rings, January innermost) and local hour, 2018–2025.
What was happening
Weather behind the outages
Each outage is matched to NOAA storm reports for Adair from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.
- No storm on record 71%
- Thunderstorms 23%
- Tornadoes 5.5%
- Winter storm 1.1%
Who keeps the lights on
Utilities serving Adair
As each utility reports to the Energy Information Administration for its whole Iowa territory, not this county alone. Outage minutes include major storm days.
| Utility | Type | Outage min / yr | Excl. major storms | Outages / yr | Residential ¢/kWh | Customers |
|---|---|---|---|---|---|---|
| MidAmerican Energy Co | Investor Owned | 205 | 82 | 1.19 | 11.2 | 640k |
| Interstate Power and Light Co | Investor Owned | 89 | 74 | 0.82 | 17.8 | 419k |
| Southwest Iowa Rural Elec Coop | IA | 122 | 122 | 1.69 | 12.5 | 75k |
| Guthrie County Rural E C A | IA | – | – | – | 10.4 | 72k |
| Farmers Electric Coop, Inc | IA | 90 | 90 | 1.63 | 13.8 | 67k |
| Waverly Municipal Elec Utility | IA | 7 | 7 | 0.14 | 14.1 | 41k |
| City of Greenfield | IA | – | – | – | 10.3 | 9.7k |
| City of Stuart | IA | – | – | – | – | 6.8k |
| City of Fontanelle | IA | – | – | – | – | 4.1k |
| City of Orient | IA | – | – | – | – | 1.6k |
| WAPA-- Western Area Power Administration | Federal | – | – | – | – | – |
EIA Form 861, latest year each utility reported. Outage minutes are SAIDI, the yearly minutes the average customer goes without power; outages a year are SAIFI.
About these numbers
Notes
Outages come from the EAGLE-I record of utility outage maps collected every 15 minutes by Oak Ridge National Laboratory. Hours without power are customer-hours divided by the county's 3,686 electricity customers. Averages use well-covered years from 2018. Outages shorter than 15 minutes, and utilities that publish no outage map, are not in the record, so these figures understate the total. How every number is made →