Adams 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 29, 2023 | 16 hrs | 9,123 (41%) | Drought |
| Aug 28, 2018 | 43 hrs | 4,393 (20%) | Flash Flood |
| Dec 15, 2022 | 19 hrs | 2,755 (12%) | Winter Storm |
| Dec 30, 2019 | 5 hrs | 2,475 (11%) | Heavy Snow |
| Jul 15, 2025 | <1 hr | 2,455 (11%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Adams County, Wisconsin that day.
Over the 11 years from 2015 to 2025, Adams County recorded 308 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Adams County started July 29, 2023 (Drought), lasting 16 hours and leaving up to 9,123 customers without power (41% of the county) at its peak.
July has historically been the worst month for outages in Adams County, with 60 events recorded during that month across the dataset.
Based on this history, Adams County earns a Reliability Grade of B, placing it in the 76th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Wisconsin
Counties with the closest reliability grade and national percentile to Adams County.
| County | Grade | National percentile |
|---|---|---|
| Barron County | B | 76th |
| Winnebago County | B | 77th |
| Kewaunee County | B | 75th |
| Clark County | B | 78th |
| Dodge County | B | 74th |
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 Adams County?
Between 2015 and 2025, Adams County recorded 308 outage events, averaging 2.4 hours each.
What is Adams County's reliability grade?
Adams County has a Reliability Grade of B, in the 76th national percentile.
What was the worst power outage in Adams County?
The worst outage on record started July 29, 2023 (Drought), lasting 16 hours and affecting up to 9,123 customers.