Miami 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 |
|---|---|---|---|
| Nov 7, 2022 | <1 hr | 1,261 (6%) | Unnamed event |
| Dec 28, 2015 | 7 hrs | 1,241 (6%) | Winter Weather |
| Aug 18, 2022 | 1 hrs | 1,173 (5%) | Unnamed event |
| Jun 25, 2024 | 7 hrs | 1,170 (5%) | Unnamed event |
| Feb 25, 2018 | <1 hr | 872 (4%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Miami County, Indiana that day.
Over the 12 years from 2014 to 2025, Miami County recorded 110 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Miami County started November 7, 2022, lasting less than 1 hour and leaving up to 1,261 customers without power (6% of the county) at its peak.
November has historically been the worst month for outages in Miami County, with 14 events recorded during that month across the dataset.
Based on this history, Miami County earns a Reliability Grade of A, placing it in the 92nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Miami County.
| County | Grade | National percentile |
|---|---|---|
| Hancock County | A | 92nd |
| Jasper County | A | 94th |
| Wayne County | A | 91st |
| Boone County | A | 95th |
| Daviess County | A | 95th |
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 Miami County?
Between 2014 and 2025, Miami County recorded 110 outage events, averaging 3.4 hours each.
What is Miami County's reliability grade?
Miami County has a Reliability Grade of A, in the 92nd national percentile.
What was the worst power outage in Miami County?
The worst outage on record started November 7, 2022, lasting less than 1 hour and affecting up to 1,261 customers.