Indiana CountyPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 29, 2025 | 128 hrs | 31,214 (82%) | Thunderstorm Wind |
| Mar 16, 2025 | 37 hrs | 11,755 (31%) | Thunderstorm Wind |
| Sep 6, 2018 | 5 hrs | 11,572 (31%) | Unnamed event |
| Mar 17, 2021 | 6 hrs | 11,189 (30%) | Unnamed event |
| Apr 1, 2023 | 33 hrs | 10,377 (27%) | Strong Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Indiana County, Pennsylvania that day.
Over the 12 years from 2014 to 2025, Indiana County recorded 1,248 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Indiana County started April 29, 2025 (Thunderstorm Wind), lasting 128 hours and leaving up to 31,214 customers without power (82% of the county) at its peak.
June has historically been the worst month for outages in Indiana County, with 158 events recorded during that month across the dataset.
Based on this history, Indiana County earns a Reliability Grade of F, placing it in the 18th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Pennsylvania
Counties with the closest reliability grade and national percentile to Indiana County.
| County | Grade | National percentile |
|---|---|---|
| Greene County | F | 18th |
| Cameron County | F | 16th |
| Wyoming County | F | 15th |
| Monroe County | F | 14th |
| Perry County | D | 23rd |
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 Indiana County?
Between 2014 and 2025, Indiana County recorded 1,248 outage events, averaging 2.8 hours each.
What is Indiana County's reliability grade?
Indiana County has a Reliability Grade of F, in the 18th national percentile.
What was the worst power outage in Indiana County?
The worst outage on record started April 29, 2025 (Thunderstorm Wind), lasting 128 hours and affecting up to 31,214 customers.