Madison County Power Outage History
2016–2025 · Missouri
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 25, 2021 | 14 hrs | 4,201 (25%) | Tornado |
| Jan 5, 2025 | 41 hrs | 3,651 (21%) | Ice Storm |
| Jan 25, 2023 | 19 hrs | 3,498 (20%) | Heavy Snow |
| Aug 4, 2022 | 14 hrs | 2,820 (16%) | Flash Flood |
| Jan 25, 2023 | 49 hrs | 2,057 (12%) | Heavy Snow |
Over the 10 years from 2016 to 2025, Madison County recorded 594 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Madison County started October 25, 2021 (Tornado), lasting 14 hours and leaving up to 4,201 customers without power (25% of the county) at its peak.
August has historically been the worst month for outages in Madison County, with 71 events recorded during that month across the dataset.
Based on this history, Madison County earns a Reliability Grade of B, placing it in the 60th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Madison 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 Madison County.
| County | Grade | National percentile |
|---|---|---|
| New Madrid County | B | 61st |
| Stone County | B | 62nd |
| Henry County | B | 62nd |
| Hickory County | C | 58th |
| Ripley County | B | 63rd |
FAQ
How often does power go out in Madison County?
Between 2016 and 2025, Madison County recorded 594 outage events, averaging 2.5 hours each.
What is Madison County's reliability grade?
Madison County has a Reliability Grade of B, in the 60th national percentile.
What was the worst power outage in Madison County?
The worst outage on record started October 25, 2021 (Tornado), lasting 14 hours and affecting up to 4,201 customers.