Boone County Power Outage History
2014–2025 · Missouri
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Dec 13, 2019 | 1 hrs | 311,925 (81%) | Unnamed event |
| Dec 13, 2019 | 2 hrs | 43,530 (11%) | Unnamed event |
| Jan 12, 2019 | 28 hrs | 11,527 (3%) | Heavy Snow |
| Sep 25, 2015 | 1 hrs | 5,976 (2%) | Unnamed event |
| Sep 18, 2015 | 2 hrs | 5,202 (1%) | Unnamed event |
Over the 12 years from 2014 to 2025, Boone County recorded 471 distinct power outage events, averaging 1.5 hours per event.
The single worst outage on record in Boone County started December 13, 2019, lasting 1 hours and leaving up to 311,925 customers without power (81% of the county) at its peak.
June has historically been the worst month for outages in Boone County, with 65 events recorded during that month across the dataset.
Based on this history, Boone County earns a Reliability Grade of A, placing it in the 97th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Boone County's outage profile
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Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Boone County.
| County | Grade | National percentile |
|---|---|---|
| McDonald County | A | 97th |
| Marion County | A | 96th |
| Mercer County | A | 98th |
| Putnam County | A | 96th |
| Callaway County | A | 95th |
FAQ
How often does power go out in Boone County?
Between 2014 and 2025, Boone County recorded 471 outage events, averaging 1.5 hours each.
What is Boone County's reliability grade?
Boone County has a Reliability Grade of A, in the 97th national percentile.
What was the worst power outage in Boone County?
The worst outage on record started December 13, 2019, lasting 1 hours and affecting up to 311,925 customers.