Dade CountyPower Outage History
What this grade means
(How grades are calculated)Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Dade County, Missouri that day.
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).
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 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.