Grant CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 23, 2022 | 46 hrs | 9,421 (20%) | Thunderstorm Wind |
| Feb 25, 2018 | 12 hrs | 6,200 (13%) | Unnamed event |
| Sep 19, 2015 | 13 hrs | 4,428 (9%) | Unnamed event |
| Nov 5, 2017 | 3 hrs | 4,392 (9%) | Thunderstorm Wind |
| Apr 1, 2023 | 40 hrs | 4,329 (9%) | Tornado |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Grant County, Indiana that day.
Over the 12 years from 2014 to 2025, Grant County recorded 397 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Grant County started July 23, 2022 (Thunderstorm Wind), lasting 46 hours and leaving up to 9,421 customers without power (20% of the county) at its peak.
June has historically been the worst month for outages in Grant County, with 57 events recorded during that month across the dataset.
Based on this history, Grant County earns a Reliability Grade of B, placing it in the 70th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Grant County.
| County | Grade | National percentile |
|---|---|---|
| Clark County | B | 69th |
| Carroll County | B | 68th |
| Fayette County | B | 68th |
| Whitley County | B | 73rd |
| Ripley County | B | 66th |
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 Grant County?
Between 2014 and 2025, Grant County recorded 397 outage events, averaging 2.8 hours each.
What is Grant County's reliability grade?
Grant County has a Reliability Grade of B, in the 70th national percentile.
What was the worst power outage in Grant County?
The worst outage on record started July 23, 2022 (Thunderstorm Wind), lasting 46 hours and affecting up to 9,421 customers.