Lucas CountyPower Outage History
2014–2025 · Iowa
Top 20% most reliable nationally — infrequent, short outages.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 20, 2019 | 11 hrs | 2,541 (57%) | Heavy Rain |
| Jun 25, 2015 | 10 hrs | 1,990 (45%) | Tornado |
| May 17, 2019 | <1 hr | 1,049 (24%) | Unnamed event |
| Dec 16, 2021 | 14 hrs | 948 (21%) | High Wind |
| Jul 19, 2016 | 8 hrs | 865 (19%) | Heavy Rain |
Over the 12 years from 2014 to 2025, Lucas County recorded 360 distinct power outage events, averaging 1.9 hours per event.
The single worst outage on record in Lucas County started August 20, 2019 (Heavy Rain), lasting 11 hours and leaving up to 2,541 customers without power (57% of the county) at its peak.
June has historically been the worst month for outages in Lucas County, with 59 events recorded during that month across the dataset.
Based on this history, Lucas County earns a Reliability Grade of A, placing it in the 82nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Lucas County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
See our outage-prep guides.
Similar counties in Iowa
Counties with the closest reliability grade and national percentile to Lucas County.
| County | Grade | National percentile |
|---|---|---|
| Davis County | A | 82nd |
| Wapello County | A | 83rd |
| Woodbury County | A | 83rd |
| Madison County | A | 81st |
| Mahaska County | A | 84th |
Most reliable counties in Iowa
The top 3 counties in Iowa by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Clay County | A | 97th |
| Emmet County | A | 95th |
| Bremer County | A | 94th |
Least reliable counties in Iowa
The bottom 3 counties in Iowa by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Marshall County | F | 6th |
| Tama County | F | 12th |
| Jasper County | F | 14th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in Lucas County?
Between 2014 and 2025, Lucas County recorded 360 outage events, averaging 1.9 hours each.
What is Lucas County's reliability grade?
Lucas County has a Reliability Grade of A, in the 82nd national percentile.
What was the worst power outage in Lucas County?
The worst outage on record started August 20, 2019 (Heavy Rain), lasting 11 hours and affecting up to 2,541 customers.