Callaway CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 7, 2021 | 3 hrs | 4,341 (12%) | Unnamed event |
| Oct 21, 2022 | <1 hr | 4,292 (12%) | Unnamed event |
| Sep 21, 2023 | 2 hrs | 4,257 (12%) | Unnamed event |
| Jul 13, 2023 | 8 hrs | 1,850 (5%) | Thunderstorm Wind |
| Dec 14, 2025 | 5 hrs | 1,728 (5%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Callaway County, Missouri that day.
Over the 12 years from 2014 to 2025, Callaway County recorded 154 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Callaway County started February 7, 2021, lasting 3 hours and leaving up to 4,341 customers without power (12% of the county) at its peak.
June has historically been the worst month for outages in Callaway County, with 18 events recorded during that month across the dataset.
Based on this history, Callaway County earns a Reliability Grade of A, placing it in the 95th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Callaway County.
| County | Grade | National percentile |
|---|---|---|
| Livingston County | A | 95th |
| Pulaski County | A | 95th |
| Laclede County | A | 95th |
| Grundy County | A | 94th |
| Dunklin County | A | 94th |
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 Callaway County?
Between 2014 and 2025, Callaway County recorded 154 outage events, averaging 2.0 hours each.
What is Callaway County's reliability grade?
Callaway County has a Reliability Grade of A, in the 95th national percentile.
What was the worst power outage in Callaway County?
The worst outage on record started February 7, 2021, lasting 3 hours and affecting up to 4,341 customers.