Louisa CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jan 3, 2022 | 206 hrs | 13,467 (42%) | Winter Storm |
| May 4, 2021 | 22 hrs | 11,220 (35%) | Thunderstorm Wind |
| Feb 16, 2025 | 25 hrs | 8,532 (26%) | Winter Storm |
| Apr 6, 2017 | 20 hrs | 8,355 (26%) | Thunderstorm Wind |
| Jul 25, 2022 | 6 hrs | 7,052 (22%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Louisa County, Virginia that day.
Over the 12 years from 2014 to 2025, Louisa County recorded 1,019 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Louisa County started January 3, 2022 (Winter Storm), lasting 206 hours and leaving up to 13,467 customers without power (42% of the county) at its peak.
July has historically been the worst month for outages in Louisa County, with 113 events recorded during that month across the dataset.
Based on this history, Louisa County earns a Reliability Grade of D, placing it in the 28th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Virginia
Counties with the closest reliability grade and national percentile to Louisa County.
| County | Grade | National percentile |
|---|---|---|
| Wise County | D | 28th |
| Stafford County | D | 27th |
| Rockbridge County | D | 27th |
| Lancaster County | D | 27th |
| Hanover County | D | 30th |
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 Louisa County?
Between 2014 and 2025, Louisa County recorded 1,019 outage events, averaging 2.8 hours each.
What is Louisa County's reliability grade?
Louisa County has a Reliability Grade of D, in the 28th national percentile.
What was the worst power outage in Louisa County?
The worst outage on record started January 3, 2022 (Winter Storm), lasting 206 hours and affecting up to 13,467 customers.