Washington County Power Outage History
2014–2025 · Indiana
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 1, 2017 | 17 hrs | 5,148 (38%) | Hail |
| May 11, 2022 | 7 hrs | 5,070 (37%) | Unnamed event |
| May 31, 2018 | 38 hrs | 4,616 (34%) | Thunderstorm Wind |
| Apr 10, 2023 | 3 hrs | 4,194 (31%) | Unnamed event |
| Aug 7, 2023 | 26 hrs | 3,901 (29%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Washington County recorded 249 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in Washington County started March 1, 2017 (Hail), lasting 17 hours and leaving up to 5,148 customers without power (38% of the county) at its peak.
October has historically been the worst month for outages in Washington County, with 31 events recorded during that month across the dataset.
Based on this history, Washington County earns a Reliability Grade of C, placing it in the 48th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Washington County's outage profile
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Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Washington County.
| County | Grade | National percentile |
|---|---|---|
| Howard County | C | 50th |
| Lawrence County | C | 47th |
| Bartholomew County | C | 51st |
| Harrison County | C | 46th |
| Knox County | C | 46th |
FAQ
How often does power go out in Washington County?
Between 2014 and 2025, Washington County recorded 249 outage events, averaging 3.6 hours each.
What is Washington County's reliability grade?
Washington County has a Reliability Grade of C, in the 48th national percentile.
What was the worst power outage in Washington County?
The worst outage on record started March 1, 2017 (Hail), lasting 17 hours and affecting up to 5,148 customers.