Henry 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 |
|---|---|---|---|
| May 19, 2017 | <1 hr | 4,552 (22%) | Unnamed event |
| Aug 20, 2019 | 4 hrs | 4,057 (19%) | Thunderstorm Wind |
| Feb 12, 2023 | 2 hrs | 3,601 (17%) | Unnamed event |
| Apr 2, 2016 | 6 hrs | 3,347 (16%) | High Wind |
| Dec 28, 2018 | 5 hrs | 3,279 (16%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Henry County, Indiana that day.
Over the 11 years from 2015 to 2025, Henry County recorded 297 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Henry County started May 19, 2017, lasting less than 1 hour and leaving up to 4,552 customers without power (22% of the county) at its peak.
June has historically been the worst month for outages in Henry County, with 38 events recorded during that month across the dataset.
Based on this history, Henry County earns a Reliability Grade of A, placing it in the 81st percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Henry County.
| County | Grade | National percentile |
|---|---|---|
| Johnson County | A | 81st |
| Noble County | A | 82nd |
| Ohio County | A | 80th |
| Clinton County | A | 80th |
| Shelby County | A | 82nd |
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 Henry County?
Between 2015 and 2025, Henry County recorded 297 outage events, averaging 2.5 hours each.
What is Henry County's reliability grade?
Henry County has a Reliability Grade of A, in the 81st national percentile.
What was the worst power outage in Henry County?
The worst outage on record started May 19, 2017, lasting less than 1 hour and affecting up to 4,552 customers.