Spencer 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 |
|---|---|---|---|
| Jan 21, 2020 | <1 hr | 8,205 (56%) | Unnamed event |
| Mar 29, 2020 | 9 hrs | 3,157 (21%) | Unnamed event |
| Nov 5, 2022 | 6 hrs | 2,943 (20%) | Dense Fog |
| Feb 7, 2020 | 2 hrs | 2,687 (18%) | Unnamed event |
| Nov 2, 2022 | <1 hr | 2,629 (18%) | Dense Fog |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Spencer County, Indiana that day.
Over the 9 years from 2017 to 2025, Spencer County recorded 330 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Spencer County started January 21, 2020, lasting less than 1 hour and leaving up to 8,205 customers without power (56% of the county) at its peak.
July has historically been the worst month for outages in Spencer County, with 48 events recorded during that month across the dataset.
Based on this history, Spencer County earns a Reliability Grade of B, placing it in the 76th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Spencer County.
| County | Grade | National percentile |
|---|---|---|
| Jay County | B | 76th |
| Hendricks County | B | 75th |
| Scott County | B | 75th |
| Tippecanoe County | B | 75th |
| Adams County | B | 77th |
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 Spencer County?
Between 2017 and 2025, Spencer County recorded 330 outage events, averaging 2.4 hours each.
What is Spencer County's reliability grade?
Spencer County has a Reliability Grade of B, in the 76th national percentile.
What was the worst power outage in Spencer County?
The worst outage on record started January 21, 2020, lasting less than 1 hour and affecting up to 8,205 customers.