Dade CountyPower Outage History
2019–2025 · Missouri
Better than average — fewer or shorter outages than most counties.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 1, 2023 | 1 hrs | 1,708 (33%) | Unnamed event |
| Mar 17, 2023 | 3 hrs | 1,708 (33%) | Unnamed event |
| Jun 29, 2025 | 46 hrs | 1,627 (32%) | Lightning |
| Mar 19, 2025 | 6 hrs | 809 (16%) | Unnamed event |
| Aug 11, 2024 | 5 hrs | 677 (13%) | Unnamed event |
Over the 7 years from 2019 to 2025, Dade County recorded 404 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Dade County started May 1, 2023, lasting 1 hours and leaving up to 1,708 customers without power (33% of the county) at its peak.
May has historically been the worst month for outages in Dade County, with 57 events recorded during that month across the dataset.
Based on this history, Dade County earns a Reliability Grade of B, placing it in the 74th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Dade County's outage profile
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Outage-prep kit
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Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Dade County.
| County | Grade | National percentile |
|---|---|---|
| Cape Girardeau County | B | 74th |
| Scotland County | B | 74th |
| St. Louis County | B | 74th |
| Howard County | B | 73rd |
| Daviess County | B | 76th |
Most reliable counties in Missouri
The top 3 counties in Missouri by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Mercer County | A | 98th |
| McDonald County | A | 97th |
| Boone County | A | 97th |
Least reliable counties in Missouri
The bottom 3 counties in Missouri by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| St. Louis County | F | 10th |
| Reynolds County | F | 20th |
| Iron County | D | 22nd |
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 Dade County?
Between 2019 and 2025, Dade County recorded 404 outage events, averaging 2.5 hours each.
What is Dade County's reliability grade?
Dade County has a Reliability Grade of B, in the 74th national percentile.
What was the worst power outage in Dade County?
The worst outage on record started May 1, 2023, lasting 1 hours and affecting up to 1,708 customers.